This is a C# web form project I am starting with after a long time away from IDE coding...
I am trying to make a simple custom dialog box class. This is my code.
public static class Dialogo
{
public static int show ()
{
Form dialogo = new Form();
dialogo.Width = 300;
dialogo.Height = 300;
Button btnSim = new Button() { Text = "Sim", Left = 30, Width = 100 };
Button btnNao = new Button() { Text = "Não", Left = 150, Width = 100 };
dialogo.Controls.Add(btnSim);
dialogo.Controls.Add(btnNao);
dialogo.ShowDialog();
// the following two lines are the problematic ones
btnSim += new EventHandler(btnSim_Click);
btnNao += new EventHandler(btnNao_Click);
return -1;
}
}
It's underlining the text within parenthesis and the message says:
The name btnSim_Click' does not exist in the current context
The problem is that I tried to add the following in my code but it doesn't let me put it anywhere (it always says that is something wrong):
private int btnNao_Click (object sender, EventArgs e)
{
return 0;
}
private int btnSim_Click (object sender, EventArgs e)
{
return 1;
}
My objective is that each of the both buttons btnSim and btnNao return a different value (say 1 and 0).
What am I doing wrong?
EventHandler is a delegate for a method that returns void.
Your methods return int.
Try something like this:
public static int show()
{
int returnValue = -1;
using (Form dialogo = new Form())
{
dialogo.Width = 300;
dialogo.Height = 300;
Button btnSim = new Button() { Text = "Sim", Left = 30, Width = 100 };
Button btnNao = new Button() { Text = "Não", Left = 150, Width = 100 };
dialogo.Controls.Add(btnSim);
dialogo.Controls.Add(btnNao);
btnSim.Click += (s, e) => { returnValue = 0; dialogo.DialogResult = DialogResult.OK; };
btnNao.Click += (s, e) => { returnValue = 1; dialogo.DialogResult = DialogResult.OK; };
dialogo.Disposed += (s, e) =>
{
btnSim?.Dispose();
btnSim = null;
btnNao?.Dispose();
btnNao = null;
};
dialogo.ShowDialog();
}
return returnValue;
}
I have made a sidebar that I dock on the left side of my application.
Now I'm wondering what's the best way to show a form based on the menu option they've selected from my sidebar.
This is basically what I want to do:
http://www.dreamincode.net/forums/topic/176782-building-an-application-poscash-register-part-one/
On the left is my menu bar, on the right side I want to have a form based on the option clicked on the left.
I have looked into MDI but when I do that I always get a ControlBox even though I've disabled it in the child form.
Update: Seems that this works as well:
Looks like you can also create your own user controls to do it:
User controls
If you want second wont allow you to access your main form unless its closed.then use this...
second_form_name sfn = new second_form_name();
sfn.ShowDialog();
If you want second allow you to access your main form unless its closed.then use
second_form_name sfn = new second_form_name();
sfn.Show();
First create a panel in your form that will hold your current form's contents (add it to the form but leave it empty for now).
Panel active = new Panel();
this.Controls.Add(active);
Then create a panel containing controls for each form you want to display.
Panel firstFormPanel = new Panel();
firstFormPanel.Add(new Button());
Panel secondFormPanel = new Panel();
secondFormPanel.Add(new Button());
Now assign which panel you want by default:
active = firstFormPanel;
Then when you want to change to a new form (click event in sidebar), assign one of the panels to the active panel like so:
active.Visible = false;
active = secondFormPanel;
active.Visible = true;
Here's a little example i have of a sidebar from my game im making being able to slide a new submenu into visual range. I use a timer to control movement and a list of submenus also a index to determine which to show. as far as i've gotten along theres only one so far so not a prime example.
public List<UserControl> Submenus = new List<UserControl>();
Multiplayer_Menu MPM;
enum At { Left, Right }
At Current = At.Right;
At Go_to = At.Right;
int Submenu_Index = 0;
bool done = false;
public void Load_Submenus()
{
Multiplayer_Menu MM = new Multiplayer_Menu(this);
MainMenu.Controls.Add(MM);
MM.Location = new Point(MainMenu.Size.Width, 0);
MM.Visible = false;
Submenus.Add(MM);
PictureBox PB = new PictureBox();
MainMenu.Controls.Add(PB);
PB.Location = new Point(MainMenu.Size.Width, 0);
PB.Size = new System.Drawing.Size(924, 736);
PB.SizeMode = PictureBoxSizeMode.StretchImage;
PB.ImageLocation = "http://www.taloreal.com/Earth%20Rotation/Rotating.gif";
PB.Visible = true;
}
private void Form1_Load(object sender, EventArgs e)
{
Load_Submenus();
}
public void MML_Multiplayer_Click(object sender, EventArgs e)
{
Submenus[Submenu_Index].Visible = false;
if (Current == At.Left)
Go_to = At.Right;
if (Current == At.Right)
Go_to = At.Left;
ShowHideMenus.Enabled = true;
Submenu_Index = 0;
}
private void ShowHideMenus_Tick(object sender, EventArgs e)
{
Point P = new Point(MainMenu.Location.X, MainMenu.Location.Y);
Size S = new Size(MainMenu.Size.Width, MainMenu.Size.Height);
if (Go_to == At.Left)
{
P = new Point(P.X - 30, P.Y);
S = new Size(S.Width + 30, S.Height);
if (P.X == 0)
{
Submenus[Submenu_Index].Visible = true;
ShowHideMenus.Enabled = false;
Current = Go_to;
}
}
if (Go_to == At.Right)
{
P = new Point(P.X + 30, P.Y);
S = new Size(S.Width - 30, S.Height);
if (P.X == 930)
{
ShowHideMenus.Enabled = false;
Current = Go_to;
}
}
Reposition_Menu(P, S);
}
void Reposition_Menu(Point P, Size S)
{
MainMenu.Location = P;
MainMenu.Size = S;
}
hello creating a custom object may be a widely published topic, but my lack of coding skills proves problematic in actually implementing what i'm trying to do.
in a nutshell i'm adding controls at runtime in a flowpanelLayout. right now it's just listboxes, that code is all working fine. i would like a way to label the listboxes that are getting added, i can't think of a better way to do this than to use a text label. i was thinking it would be slick to create some sort of custom control (if possible) which is a listbox and a textlabel like one above the other or something. this way i can add the new custom control in my current code and assign the listbox attributes and label text, etc all in one motion.
this is what i was thinking, maybe there's even a better way to do this.
my current listview creation code:
public void addListView()
{
ListView newListView = new ListView();
newListView.AllowDrop = true;
newListView.DragDrop += listView_DragDrop;
newListView.DragEnter += listView_DragEnter;
newListView.MouseDoubleClick += listView_MouseDoubleClick;
newListView.MouseDown += listView_MouseDown;
newListView.DragOver += listView_DragOver;
newListView.Width = 200;
newListView.Height = 200;
newListView.View = View.Tile;
newListView.MultiSelect = false;
flowPanel.Controls.Add(newListView);
numWO++;
numberofWOLabel.Text = numWO.ToString();
}
maybe the actual best answer is simply to also add a textlabel here and define some set coordinates to put it. let me know what you think.
if a custom control is the way to go, please provide some resource or example for me - i'd appreciate it.
Here is a custom user control that can do that:
You just need to set TitleLabelText to set the title.
[Category("Custom User Controls")]
public class ListBoxWithTitle : ListBox
{
private Label titleLabel;
public ListBoxWithTitle()
{
this.SizeChanged +=new EventHandler(SizeSet);
this.LocationChanged +=new EventHandler(LocationSet);
this.ParentChanged += new EventHandler(ParentSet);
}
public string TitleLabelText
{
get;
set;
}
//Ensures the Size, Location and Parent have been set before adding text
bool isSizeSet = false;
bool isLocationSet = false;
bool isParentSet = false;
private void SizeSet(object sender, EventArgs e)
{
isSizeSet = true;
if (isSizeSet && isLocationSet && isParentSet)
{
PositionLabel();
}
}
private void LocationSet(object sender, EventArgs e)
{
isLocationSet = true;
if (isSizeSet && isLocationSet && isParentSet)
{
PositionLabel();
}
}
private void ParentSet(object sender, EventArgs e)
{
isParentSet = true;
if (isSizeSet && isLocationSet && isParentSet)
{
PositionLabel();
}
}
private void PositionLabel()
{
//Initializes text label
titleLabel = new Label();
//Positions the text 10 pixels below the Listbox.
titleLabel.Location = new Point(this.Location.X, this.Location.Y + this.Size.Height + 10);
titleLabel.AutoSize = true;
titleLabel.Text = TitleLabelText;
this.Parent.Controls.Add(titleLabel);
}
}
Example use:
public Form1()
{
InitializeComponent();
ListBoxWithTitle newitem = new ListBoxWithTitle();
newitem.Size = new Size(200, 200);
newitem.Location = new Point(20, 20);
newitem.TitleLabelText = "Test";
this.Controls.Add(newitem);
}
I'm looking to implement a Visual Studio-style undo drop-down button:
I've looked all over the internet, and can't seem to find any real implementations of this.
I've started by deriving from ToolStripSplitButton, but don't really know where to go from there. Its DropDown property is a ToolStripDropDown, but that doesn't seem to have anything regarding multiple items being selected, much less scrolling, and the text at the bottom.
So instead of the default ToolStripDropDown, I'm thinking maybe the whole drop down part should be a custom control, based on a combobox. The question then, is how to cause the right-side (drop down arrow) button to do something other than show its default drop down?
Am I on the right track here? Thanks!
Yes, I think you're on the right track. And in this case, ToolStripControlHost is your friend.
You don't necessarily need to derive from it (unless you are making your own control), but try just subscribing to the ToolStripSplitButton's DropDownOpening event:
Working example:
private ListBox listBox1;
public Form1()
{
InitializeComponent();
listBox1 = new ListBox();
listBox1.IntegralHeight = false;
listBox1.MinimumSize = new Size(120, 120); \\ <- important
listBox1.Items.Add("Item 1");
listBox1.Items.Add("Item 2");
}
private void toolStripSplitButton1_DropDownOpening(object sender, EventArgs e) {
ToolStripControlHost toolHost = new ToolStripControlHost(listBox1);
toolHost.Size = new Size(120, 120);
toolHost.Margin = new Padding(0);
ToolStripDropDown toolDrop = new ToolStripDropDown();
toolDrop.Padding = new Padding(0);
toolDrop.Items.Add(toolHost);
toolDrop.Show(this, new Point(toolStripSplitButton1.Bounds.Left,
toolStripSplitButton1.Bounds.Bottom));
}
Here is the result:
For your application, you would need to replace the ListBox with your own UserControl, so you can contain whatever your want in it. The ToolStripControlHost can only hold one control, and it's important to set the MinimumSize property, or else the dropped control isn't sized correctly.
Extra thanks to LarsTech! (I didn't know about ToolStripControlHost a few hours ago)
Here is my implementation, which is really close to the VS drop down...
You should be able to just drop this delegate & function into your Form:
public delegate void UndoRedoCallback(int count);
private void DrawDropDown(ToolStripSplitButton button, string action, IEnumerable<string> commands, UndoRedoCallback callback)
{
int width = 277;
int listHeight = 181;
int textHeight = 29;
Panel panel = new Panel()
{
Size = new Size(width, textHeight + listHeight),
Padding = new Padding(0),
Margin = new Padding(0),
BorderStyle = BorderStyle.FixedSingle,
};
Label label = new Label()
{
Size = new Size(width, textHeight),
Location = new Point(1, listHeight - 2),
TextAlign = ContentAlignment.MiddleCenter,
Text = String.Format("{0} 1 Action", action),
Padding = new Padding(0),
Margin = new Padding(0),
};
ListBox list = new ListBox()
{
Size = new Size(width, listHeight),
Location = new Point(1,1),
SelectionMode = SelectionMode.MultiSimple,
ScrollAlwaysVisible = true,
Padding = new Padding(0),
Margin = new Padding(0),
BorderStyle = BorderStyle.None,
Font = new Font(panel.Font.FontFamily, 9),
};
foreach (var item in commands) { list.Items.Add(item); }
if (list.Items.Count == 0) return;
list.SelectedIndex = 0;
ToolStripControlHost toolHost = new ToolStripControlHost(panel)
{
Size = panel.Size,
Margin = new Padding(0),
};
ToolStripDropDown toolDrop = new ToolStripDropDown()
{
Padding = new Padding(0),
};
toolDrop.Items.Add(toolHost);
panel.Controls.Add(list);
panel.Controls.Add(label);
toolDrop.Show(this, new Point(button.Bounds.Left + button.Owner.Left, button.Bounds.Bottom + button.Owner.Top));
// *Note: These will be "up values" that will exist beyond the scope of this function
int index = 1;
int lastIndex = 1;
list.Click += (sender, e) => { toolDrop.Close(); callback(index); };
list.MouseMove += (sender, e) =>
{
index = Math.Max(1, list.IndexFromPoint(e.Location) + 1);
if (lastIndex != index)
{
int topIndex = Math.Max(0, Math.Min(list.TopIndex + e.Delta, list.Items.Count - 1));
list.BeginUpdate();
list.ClearSelected();
for (int i = 0; i < index; ++i) { list.SelectedIndex = i; }
label.Text = String.Format("{0} {1} Action{2}", action, index, index == 1 ? "" : "s");
lastIndex = index;
list.EndUpdate();
list.TopIndex = topIndex;
}
};
list.Focus();
}
You can set it up and test like this, assuming you have a blank form (Form1) with a toolStrip that has 1 ToolStripSplitButton (toolStripSplitButton1) added:
public Form1()
{
InitializeComponent();
// Call DrawDropDown with:
// The clicked ToolStripSplitButton
// "Undo" as the action
// TestDropDown for the enumerable string source for the list box
// UndoCommands for the click callback
toolStripSplitButton1.DropDownOpening += (sender, e) => { DrawDropDown(
toolStripSplitButton1,
"Undo",
TestDropDown,
UndoCommands
); };
}
private IEnumerable<string> TestDropDown
{
// Provides a list of strings for testing the drop down
get { for (int i = 1; i < 1000; ++i) { yield return "test " + i; } }
}
private void UndoCommands(int count)
{
// Do something with the count when an action is clicked
Console.WriteLine("Undo: {0}", count);
}
Here is a better example using the Undo/Redo system from: http://www.codeproject.com/KB/cs/AutomatingUndoRedo.aspx
public Form1()
{
InitializeComponent();
// Call DrawDropDown with:
// The Undo ToolStripSplitButton button on the Standard tool strip
// "Undo" as the action name
// The list of UndoCommands from the UndoRedoManager
// The Undo method of the UndoRedoManager
m_TSSB_Standard_Undo.DropDownOpening += (sender, e) => { DrawDropDown(
m_TSSB_Standard_Undo,
"Undo",
UndoRedoManager.UndoCommands,
UndoRedoManager.Undo
); };
}
*Note: I did modify the Undo & Redo methods in the UndoRedoManager to accept a count:
// Based on code by Siarhei Arkhipenka (Sergey Arhipenko) (http://www.codeproject.com/KB/cs/AutomatingUndoRedo.aspx)
public static void Undo(int count)
{
AssertNoCommand();
if (CanUndo == false) return;
for (int i = 0; (i < count) && CanUndo; ++i)
{
Command command = history[currentPosition--];
foreach (IUndoRedo member in command.Keys)
{
member.OnUndo(command[member]);
}
}
OnCommandDone(CommandDoneType.Undo);
}
I'd suggest implementing the popup separately from the toolbar button. Popups are separate windows with a topmost-flag which auto-close when losing focus or pressing escape. If you code your own popup window that frees you from having to fit your behaviour to a preexisting model (which is going to be hard in your case). Just make a new topmost window with a listbox and status bar, then you are free to implement the selection behavior on the listbox like you need it.
Vs 2010 is a WPF application. If you are in the beginning of this application development than use WPF as a core technology. WPF drop down button is implemented in WPF ribbon. Source code is available on CodePlex.
I'm trying to display a tooltip when mouse hovers over a disabled control. Since a disabled control does not handle any events, I have to do that in the parent form. I chose to do this by handling the MouseMove event in the parent form. Here's the code that does the job:
void Form1_MouseMove(object sender, MouseEventArgs e)
{
m_toolTips.SetToolTip(this, "testing tooltip on " + DateTime.Now.ToString());
string tipText = this.m_toolTips.GetToolTip(this);
if ((tipText != null) && (tipText.Length > 0))
{
Point clientLoc = this.PointToClient(Cursor.Position);
Control child = this.GetChildAtPoint(clientLoc);
if (child != null && child.Enabled == false)
{
m_toolTips.ToolTipTitle = "MouseHover On Disabled Control";
m_toolTips.Show(tipText, this, 10000);
}
else
{
m_toolTips.ToolTipTitle = "MouseHover Triggerd";
m_toolTips.Show(tipText, this, 3000);
}
}
}
The code does handles the tooltip display for the disabled control. The problem is that when mouse hovers over a disabled control, the tooltip keeps closing and redisplay again. From the display time I added in the tooltip, when mouse is above the parent form, the MouseMove event gets called roughly every 3 seconds, so the tooltip gets updated every 3 seconds. But when mouse is over a disabled control, the tooltip refreshes every 1 second. Also, when tooltip refreshes above form, only the text gets updated with a brief flash. But when tooltip refreshes above a disabled control, the tooltip windows closes as if mouse is moving into a enabled control and the tooltip is supposed to be closed. but then the tooltip reappears right away.
Can someone tell me why is this? Thanks.
you can show the tooltip only once when mouse hits the disbled control and then hide it when mouse leaves it. Pls, take a look at the code below, it should be showing a tooltip message for all the disabled controls on the form
private ToolTip _toolTip = new ToolTip();
private Control _currentToolTipControl = null;
public Form1()
{
InitializeComponent();
_toolTip.SetToolTip(this.button1, "My button1");
_toolTip.SetToolTip(this.button2, "My button2");
_toolTip.SetToolTip(this.textBox1, "My text box");
}
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
Control control = GetChildAtPoint(e.Location);
if (control != null)
{
if (!control.Enabled && _currentToolTipControl == null)
{
string toolTipString = _toolTip.GetToolTip(control);
// trigger the tooltip with no delay and some basic positioning just to give you an idea
_toolTip.Show(toolTipString, control, control.Width/2, control.Height/2);
_currentToolTipControl = control;
}
}
else
{
if (_currentToolTipControl != null) _toolTip.Hide(_currentToolTipControl);
_currentToolTipControl = null;
}
}
hope this helps, regards
The answer turned out to be a bit simpler, but needed to be applied at all times.
void OrderSummaryDetails_MouseMove(object sender, MouseEventArgs e)
{
Control control = GetChildAtPoint(e.Location);
if (control != null)
{
string toolTipString = mFormTips.GetToolTip(control);
this.mFormTips.ShowAlways = true;
// trigger the tooltip with no delay and some basic positioning just to give you an idea
mFormTips.Show(toolTipString, control, control.Width / 2, control.Height / 2);
}
}
In case of TextBox control, making it as readonly solved the issue.
I tried many but ended up using this simple trick which I think it is more effective.
Create a subclass(CustomControl with just base control in it) which extends UserControl
then instead of setting "Enabled" property to false create a Method which disables just basecontrol in it instead of whole CustomControl.
Set the tool tip on CustomControl still will be able to fire eventhandlers setting the basecontrol disabled. This works wherever CustomControl is in use rather than coding on every form you use with.
Here is the hint.. :)
public partial class MyTextBox : UserControl
{
...
...
...
public void DisableMyTextBox()
{
this.txt.Enabled = false; //txt is the name of Winform-Textbox from my designer
this.Enabled = true;
}
public void EnableMyTextBox()
{
this.txt.Enabled = true;
this.Enabled = true;
}
//set the tooltip from properties tab in designer or wherever
}
Since no one ever pointed this out, this works for any control that exposes ToolTipService:
ToolTipService.ShowOnDisabled="True"
As in this example:
<Button Content="OK"
ToolTipService.ShowOnDisabled="True" />
/*
Inspired by the suggestions above in this post, i wrapped it up as an extended ToolTip control specially works for disabled control.
// Reference example
var td = new ToolTipOnDisabledControl();
this.checkEdit3.Enabled = false;
td.SetTooltip(this.checkEdit3, "tooltip for disabled 3333333333333");
*/
using System;
using System.Windows.Forms;
namespace TestApp1
{
public class ToolTipOnDisabledControl
{
#region Fields and Properties
private Control enabledParentControl;
private bool isShown;
public Control TargetControl { get; private set; }
public string TooltipText { get; private set; }
public ToolTip ToolTip { get; }
#endregion
#region Public Methods
public ToolTipOnDisabledControl()
{
this.ToolTip = new ToolTip();
}
public void SetToolTip(Control targetControl, string tooltipText = null)
{
this.TargetControl = targetControl;
if (string.IsNullOrEmpty(tooltipText))
{
this.TooltipText = this.ToolTip.GetToolTip(targetControl);
}
else
{
this.TooltipText = tooltipText;
}
if (targetControl.Enabled)
{
this.enabledParentControl = null;
this.isShown = false;
this.ToolTip.SetToolTip(this.TargetControl, this.TooltipText);
return;
}
this.enabledParentControl = targetControl.Parent;
while (!this.enabledParentControl.Enabled && this.enabledParentControl.Parent != null)
{
this.enabledParentControl = this.enabledParentControl.Parent;
}
if (!this.enabledParentControl.Enabled)
{
throw new Exception("Failed to set tool tip because failed to find an enabled parent control.");
}
this.enabledParentControl.MouseMove += this.EnabledParentControl_MouseMove;
this.TargetControl.EnabledChanged += this.TargetControl_EnabledChanged;
}
public void Reset()
{
if (this.TargetControl != null)
{
this.ToolTip.Hide(this.TargetControl);
this.TargetControl.EnabledChanged -= this.TargetControl_EnabledChanged;
this.TargetControl = null;
}
if (this.enabledParentControl != null)
{
this.enabledParentControl.MouseMove -= this.EnabledParentControl_MouseMove;
this.enabledParentControl = null;
}
this.isShown = false;
}
#endregion
#region Private Methods
private void EnabledParentControl_MouseMove(object sender, MouseEventArgs e)
{
if (e.Location.X >= this.TargetControl.Left &&
e.Location.X <= this.TargetControl.Right &&
e.Location.Y >= this.TargetControl.Top &&
e.Location.Y <= this.TargetControl.Bottom)
{
if (!this.isShown)
{
this.ToolTip.Show(this.TooltipText, this.TargetControl, this.TargetControl.Width / 2, this.TargetControl.Height / 2, this.ToolTip.AutoPopDelay);
this.isShown = true;
}
}
else
{
this.ToolTip.Hide(this.TargetControl);
this.isShown = false;
}
}
private void TargetControl_EnabledChanged(object sender, EventArgs e)
{
if (TargetControl.Enabled)
{
TargetControl.EnabledChanged -= TargetControl_EnabledChanged;
enabledParentControl.MouseMove -= EnabledParentControl_MouseMove;
}
}
#endregion
}
}
Here is how I solved this problem
I have an application that generates code automatically for a PIC32MX.
The application has 3 Tab Pages text = PWM, ADC and UART.
On each Tab Page I have one Check Box text = RPA0
The intention is, when a peripheral uses RPA0, the other peripheral is prevented
from using that pin, by disabling it on the other pages, and a tooltip text must pop up
on the disabled check boxs saying (example "Used by PWM")
what peripheral is using that pin.
The problem is that the tooltip text won't pop up on a disabled check box.
To solve the problem, I just removed the text of the check boxes and inserted labels with the text the check box should have.
When a check box is checked, the other check boxes are disabled and the label next to it takes a tool tip text.
As the label is enabled, the tooltip text pops up, even on a disabled check box.
Double the work, half the complexity.
Here is the code and the designer for C# 2010
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void cb_ADC_RPA0_CheckedChanged(object sender, EventArgs e)
{
/* Disable pin on other peripherals */
cb_UART_RPA0.Enabled = !((CheckBox)sender).Checked;
cb_PWM_RPA0.Enabled = !((CheckBox)sender).Checked;
SetTootTip((CheckBox)sender, lbl_PWM_RPA0, lbl_UART_RPA0, "ADC");
}
private void cb_PWM_RPA0_CheckedChanged(object sender, EventArgs e)
{
/* Disable pin on other peripherals */
cb_UART_RPA0.Enabled = !((CheckBox)sender).Checked;
cb_ADC_RPA0.Enabled = !((CheckBox)sender).Checked;
SetTootTip((CheckBox)sender, lbl_ADC_RPA0, lbl_UART_RPA0, "PWM");
}
private void cb_UART_RPA0_CheckedChanged(object sender, EventArgs e)
{
/* Disable pin on other peripherals */
cb_ADC_RPA0.Enabled = !((CheckBox)sender).Checked;
cb_PWM_RPA0.Enabled = !((CheckBox)sender).Checked;
SetTootTip((CheckBox)sender, lbl_ADC_RPA0, lbl_PWM_RPA0, "UART");
}
void SetTootTip(CheckBox sender, Label lbl1, Label lbl2, string text)
{
/* Update tooltip on the other labels */
if (sender.Checked)
{
toolTip1.SetToolTip(lbl1, "Used by " + text);
toolTip1.SetToolTip(lbl2, "Used by " + text);
}
else
{
toolTip1.SetToolTip(lbl1, "");
toolTip1.SetToolTip(lbl2, "");
}
}
}
}
namespace WindowsFormsApplication1
{
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.tabControl1 = new System.Windows.Forms.TabControl();
this.tpPWM = new System.Windows.Forms.TabPage();
this.tpUART = new System.Windows.Forms.TabPage();
this.tpADC = new System.Windows.Forms.TabPage();
this.cb_PWM_RPA0 = new System.Windows.Forms.CheckBox();
this.cb_ADC_RPA0 = new System.Windows.Forms.CheckBox();
this.lbl_PWM_RPA0 = new System.Windows.Forms.Label();
this.lbl_ADC_RPA0 = new System.Windows.Forms.Label();
this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
this.lbl_UART_RPA0 = new System.Windows.Forms.Label();
this.cb_UART_RPA0 = new System.Windows.Forms.CheckBox();
this.tabControl1.SuspendLayout();
this.tpPWM.SuspendLayout();
this.tpUART.SuspendLayout();
this.tpADC.SuspendLayout();
this.SuspendLayout();
//
// tabControl1
//
this.tabControl1.Controls.Add(this.tpPWM);
this.tabControl1.Controls.Add(this.tpUART);
this.tabControl1.Controls.Add(this.tpADC);
this.tabControl1.Location = new System.Drawing.Point(12, 12);
this.tabControl1.Name = "tabControl1";
this.tabControl1.SelectedIndex = 0;
this.tabControl1.Size = new System.Drawing.Size(629, 296);
this.tabControl1.TabIndex = 0;
//
// tpPWM
//
this.tpPWM.Controls.Add(this.lbl_PWM_RPA0);
this.tpPWM.Controls.Add(this.cb_PWM_RPA0);
this.tpPWM.Location = new System.Drawing.Point(4, 22);
this.tpPWM.Name = "tpPWM";
this.tpPWM.Padding = new System.Windows.Forms.Padding(3);
this.tpPWM.Size = new System.Drawing.Size(621, 270);
this.tpPWM.TabIndex = 0;
this.tpPWM.Text = "PWM";
this.tpPWM.UseVisualStyleBackColor = true;
//
// tpUART
//
this.tpUART.Controls.Add(this.cb_UART_RPA0);
this.tpUART.Controls.Add(this.lbl_UART_RPA0);
this.tpUART.Location = new System.Drawing.Point(4, 22);
this.tpUART.Name = "tpUART";
this.tpUART.Padding = new System.Windows.Forms.Padding(3);
this.tpUART.Size = new System.Drawing.Size(621, 270);
this.tpUART.TabIndex = 1;
this.tpUART.Text = "UART";
this.tpUART.UseVisualStyleBackColor = true;
//
// tpADC
//
this.tpADC.Controls.Add(this.lbl_ADC_RPA0);
this.tpADC.Controls.Add(this.cb_ADC_RPA0);
this.tpADC.Location = new System.Drawing.Point(4, 22);
this.tpADC.Name = "tpADC";
this.tpADC.Padding = new System.Windows.Forms.Padding(3);
this.tpADC.Size = new System.Drawing.Size(621, 270);
this.tpADC.TabIndex = 2;
this.tpADC.Text = "ADC";
this.tpADC.UseVisualStyleBackColor = true;
//
// cb_PWM_RPA0
//
this.cb_PWM_RPA0.AutoSize = true;
this.cb_PWM_RPA0.Location = new System.Drawing.Point(17, 65);
this.cb_PWM_RPA0.Name = "cb_PWM_RPA0";
this.cb_PWM_RPA0.Size = new System.Drawing.Size(15, 14);
this.cb_PWM_RPA0.TabIndex = 0;
this.cb_PWM_RPA0.UseVisualStyleBackColor = true;
this.cb_PWM_RPA0.CheckedChanged += new System.EventHandler(this.cb_PWM_RPA0_CheckedChanged);
//
// cb_ADC_RPA0
//
this.cb_ADC_RPA0.AutoSize = true;
this.cb_ADC_RPA0.Location = new System.Drawing.Point(17, 65);
this.cb_ADC_RPA0.Name = "cb_ADC_RPA0";
this.cb_ADC_RPA0.Size = new System.Drawing.Size(15, 14);
this.cb_ADC_RPA0.TabIndex = 1;
this.cb_ADC_RPA0.UseVisualStyleBackColor = true;
this.cb_ADC_RPA0.CheckedChanged += new System.EventHandler(this.cb_ADC_RPA0_CheckedChanged);
//
// lbl_PWM_RPA0
//
this.lbl_PWM_RPA0.AutoSize = true;
this.lbl_PWM_RPA0.Location = new System.Drawing.Point(38, 65);
this.lbl_PWM_RPA0.Name = "lbl_PWM_RPA0";
this.lbl_PWM_RPA0.Size = new System.Drawing.Size(35, 13);
this.lbl_PWM_RPA0.TabIndex = 1;
this.lbl_PWM_RPA0.Text = "RPA0";
//
// lbl_ADC_RPA0
//
this.lbl_ADC_RPA0.AutoSize = true;
this.lbl_ADC_RPA0.Location = new System.Drawing.Point(38, 66);
this.lbl_ADC_RPA0.Name = "lbl_ADC_RPA0";
this.lbl_ADC_RPA0.Size = new System.Drawing.Size(35, 13);
this.lbl_ADC_RPA0.TabIndex = 2;
this.lbl_ADC_RPA0.Text = "RPA0";
//
// lbl_UART_RPA0
//
this.lbl_UART_RPA0.AutoSize = true;
this.lbl_UART_RPA0.Location = new System.Drawing.Point(37, 65);
this.lbl_UART_RPA0.Name = "lbl_UART_RPA0";
this.lbl_UART_RPA0.Size = new System.Drawing.Size(35, 13);
this.lbl_UART_RPA0.TabIndex = 4;
this.lbl_UART_RPA0.Text = "RPA0";
//
// cb_UART_RPA0
//
this.cb_UART_RPA0.AutoSize = true;
this.cb_UART_RPA0.Location = new System.Drawing.Point(16, 65);
this.cb_UART_RPA0.Name = "cb_UART_RPA0";
this.cb_UART_RPA0.Size = new System.Drawing.Size(15, 14);
this.cb_UART_RPA0.TabIndex = 5;
this.cb_UART_RPA0.UseVisualStyleBackColor = true;
this.cb_UART_RPA0.CheckedChanged += new System.EventHandler(this.cb_UART_RPA0_CheckedChanged);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(758, 429);
this.Controls.Add(this.tabControl1);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
this.tabControl1.ResumeLayout(false);
this.tpPWM.ResumeLayout(false);
this.tpPWM.PerformLayout();
this.tpUART.ResumeLayout(false);
this.tpUART.PerformLayout();
this.tpADC.ResumeLayout(false);
this.tpADC.PerformLayout();
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.TabControl tabControl1;
private System.Windows.Forms.TabPage tpPWM;
private System.Windows.Forms.Label lbl_PWM_RPA0;
private System.Windows.Forms.CheckBox cb_PWM_RPA0;
private System.Windows.Forms.TabPage tpUART;
private System.Windows.Forms.TabPage tpADC;
private System.Windows.Forms.Label lbl_ADC_RPA0;
private System.Windows.Forms.CheckBox cb_ADC_RPA0;
private System.Windows.Forms.ToolTip toolTip1;
private System.Windows.Forms.CheckBox cb_UART_RPA0;
private System.Windows.Forms.Label lbl_UART_RPA0;
}
}
I created a new UserControl which only contains a button.
public partial class TooltipButton : UserControl
{
public TooltipButton()
{
InitializeComponent();
}
public new bool Enabled
{
get { return button.Enabled; }
set { button.Enabled = value; }
}
[Category("Appearance")]
[Description("The text displayed by the button.")]
[EditorBrowsable(EditorBrowsableState.Always)]
[Browsable(true)]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
[Bindable(true)]
public override string Text
{
get { return button.Text; }
set { button.Text = value; }
}
[Category("Action")]
[Description("Occurs when the button is clicked.")]
[DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
public new event EventHandler Click;
private void button_Click(object sender, EventArgs e)
{
// Bubble event up to parent
Click?.Invoke(this, e);
}
}
I found Serge_Yubenko's code worked on disabled buttons , but in order to stop the flashing make sure the tooltip pops up away from the button - just don't position it half way down the control but do this:
mFormTips.Show(toolTipString, control, control.Width / 2, control.Height);
instead of
mFormTips.Show(toolTipString, control, control.Width / 2, control.Height / 2);
This seems to follow the usual tooltip placement too...
So, I came across this post in my efforts to do the same thing, being the top result on Google. I had already considered the mouse move event and while the answers here did help, they didn't provide me with exactly what I wanted - that being a perfect recreation of the original show tooltip event.
The problem I discovered was this: For whatever reason in the API, ToolTip.Show turns the Mouse Move Event into effectively a Mouse Hover Event. Which is why the tooltip keeps flashing.
The workaround as suggested was to keep the tooltip on always show, or to display the tooltip away from the control, but that wouldn't be a faithful recreation, from the show to the timed fade. The answer would suggest that a block to prevent further execution of the code is needed - the reality was 2 blocks in the event code (One of which has no earthly reason existing and yet without it a timed event fires twice ***), a double delclaration of the control location, one inside the event, one class wide, and another class wide to check if the mouse is over a control, a class wide timer, and a Mouse Leave event to clean up due to too fast mouse movement away from the panel housing the control.
As you will see there are two events on the timer, both functions for them are in the event code as they need to reference variables get/set in the code. They can be moved out, but would then need class wide declarations on the variables, and they cause no harm where they are. FYI: "ToolTips" in the code is referencing the ToolTip control I have on the form.
*** Just to expand. If you look at the code you'll see that IsTipReset could be replaced with IsShown - after all they end up at the same value as each other. The reason for IsTipRest is this: If IsShown is used then while moving the mouse inside the control while the tootip is showing will cause a slight hiccup when the tooltip fades and very very very briefly another tooltip will popup. Using IsTipReset stops that. I have no idea why and maybe someone will spot it because I sure can't! Lol.
This is my first post here, and I realise it is an old thread, but I just wanted to share the fruits of my labour. As I said, my goal was a faithful recreation of tooltip and I think I achieved it. Enjoy!
using Timer = System.Windows.Forms.Timer;
private readonly Timer MouseTimer = new();
private Control? Ctrl;
private bool IsControl = false;
private void TopMenuMouseMove (object sender, MouseEventArgs e) {
Panel Pnl = (Panel)sender;
Control Area = Pnl.GetChildAtPoint (e.Location);
bool IsShown = false;
bool IsTipReset = false;
if (Area != null && Area.Enabled == false && Area.Visible == true) {
Ctrl = Pnl.GetChildAtPoint (e.Location);
Point Position = e.Location;
if (IsControl) { IsShown = true; } else if (!IsControl) { IsControl = true; IsShown = false; }
if (!IsShown) {
MouseTimer.Interval = ToolTips.InitialDelay;
MouseTimer.Tick += new EventHandler (TimerToolTipShow!);
MouseTimer.Start ();
}
void TimerToolTipShow (object sender, EventArgs e) {
if (!IsTipReset) {
MouseTimer.Dispose ();
string Txt = ToolTips.GetToolTip (Ctrl) + " (Disabled)";
Position.Offset (-Ctrl.Left, 16);
ToolTips.Show (Txt, Ctrl, Position);
MouseTimer.Interval = ToolTips.AutoPopDelay;
MouseTimer.Tick += new EventHandler (TimerToolTipReset!);
MouseTimer.Start ();
IsShown = true;
IsTipReset = true;
}
}
void TimerToolTipReset (object sender, EventArgs e) {
if (IsShown) {
MouseTimer.Dispose ();
IsShown = false;
ToolTips.Hide (Ctrl);
}
}
}
else if (Area == null) {
if (Ctrl != null) {
MouseTimer.Dispose ();
IsShown = false;
IsControl = false;
ToolTips.Hide (Ctrl);
Ctrl = null;
}
}
}
private void TopMenuMouseLeave (object sender, EventArgs e) {
if (Ctrl != null) {
MouseTimer.Dispose ();
IsControl = false;
ToolTips.Hide (Ctrl);
Ctrl = null;
}
}