We Keep Coding

Show Label if button is clicked for certain time

I have a problem. I want to make a label pop up when button is clicked and it works, but I want it to make it again but with a different button. I did exactly the same in the working one and I edited to different conditions for the button you know and it doesn't work. Can somebody help me please? Thanks.
private void button3_Click(object sender, EventArgs e)
{
if (FullNameBOX.Text == "")
{
ErrorMessage.Show();
timer1.Start();
}
else if(txtEmail.Text == "")
{
ErrorMessage.Show();
timer1.Start();
}
else if(txtPassword.Text == "")
{
ErrorMessage.Show();
timer1.Start();
}
else if(txtPassword2.Text == "")
{
ErrorMessage.Show();
timer1.Start();
}
}
private void timer1_Tick(object sender, EventArgs e)
{
timer1.Stop();
ErrorMessage.Hide();
}
private void button4_Click_1 (object sender, EventArgs e)
{
if (FullnameBOX_Login.Text == "")
{
ErrorMessage2.Show();
timer2.Start();
}
else if(PasswordLogin.Text == "")
{
ErrorMessage2.Show();
timer2.Start();
}
}
private void timer2_Tick(object sender, EventArgs e)
{
timer2.Stop();
ErrorMessage2.Hide();
}

Customization censored in textBox

I have problem, which consists in aesthetic sense, correctly - There is textBox to which i apply true condition of UseSystemPasswordChar.. It's work! But i get bold points. Try to change font size - decreases textbox's field. Below is the code (although why is it here?). Can anyone help, thank you in advance)
public partial class frmRegistr : Form
{
public frmRegistr()
{
InitializeComponent();
}
int counter = 0;
int a = 0;
string b;
private void frmRegistr_Load(object sender, EventArgs e)
{
b = label1.Text;
a = b.Length;
label1.Text = "";
timer1.Start();
}
private void label1_Click(object sender, EventArgs e)
{
}
private void label2_Click(object sender, EventArgs e)
{
}
private void timer1_Tick(object sender, EventArgs e)
{
if (counter < a)
{
counter++;
label1.Text = b.Substring(0, counter);
}
else
{
timer1.Stop();
}
}
private void label4_Click(object sender, EventArgs e)
{
timer3.Start();
}
private void label4_MouseHover(object sender, EventArgs e)
{
//if this.MouseLeave
label4.BackColor = Color.FromArgb(((int)(((byte)(154)))), ((int)(((byte)(181)))), ((int)(((byte)(101)))));
}
private void timer2_Tick(object sender, EventArgs e)
{
if (Opacity == 1)
{
timer2.Stop();
}
Opacity += .2;
}
private void timer3_Tick(object sender, EventArgs e)
{
if (Opacity <= 0)
{
this.Close();
}
Opacity -= .2;
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
textBox2.UseSystemPasswordChar = true;
}
}
}

If you want to define your own password character, use property TextBox.PasswordChar. If you want this in a certain font, use Control.Font
As you only have to do this once, do this in the constructor:
public MyForm : Form
{
InitializeComponents(),
this.textBox1.PasswordChar = '_';
this.textBox11.Font = new Font(...)
};
You can also decide to do this using the visual studio designer.

You can setup this in VisualStudio designer, but this is code:
textBox1.PasswordChar = '*';
//* = password character

How append Rx data on textBox?

I trying to do an inteface to monitoring the Serial Port. I am using Visual forms. So, I had created a combobox to select the PortCOM, a TextBox to send the data to Serial Port and a TextBoxReceber to receive the Serial Data. I trying print the data received in the TextBoxReceber, I'm using the AppendText but I haven't sucess. Anybody can help me?
My Form1.cs is:
namespace ConsoleESP
{
public partial class Form1 : Form
{
string RxString = "";
public Form1()
{
InitializeComponent();
timerCOM.Enabled = true;
atualizaCOMs();
}
private void atualizaCOMs()
{
int i = 0;
bool quantDif = false;
if (comboBox1.Items.Count == SerialPort.GetPortNames().Length)
{
foreach (string s in SerialPort.GetPortNames())
{
if (comboBox1.Items[i++].Equals(s) == false)
{
quantDif = true;
}
}
}
else quantDif = true;
if (quantDif == false) return;
comboBox1.Items.Clear();
foreach(string s in SerialPort.GetPortNames())
{
comboBox1.Items.Add(s);
}
comboBox1.SelectedIndex = 0;
}
private void timerCOM_Tick(object sender, EventArgs e)
{
atualizaCOMs();
}
private void btConnect_Click(object sender, EventArgs e)
{
if(serialPort1.IsOpen == false)
{
try
{
serialPort1.PortName = comboBox1.Items[comboBox1.SelectedIndex].ToString();
serialPort1.Open();
}
catch
{
return;
}
if (serialPort1.IsOpen)
{
btConnect.Text = "Desconectar";
comboBox1.Enabled = false;
}
}
else
{
try
{
serialPort1.Close();
comboBox1.Enabled = true;
btConnect.Text = "Conectar";
}
catch
{
return;
}
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
if (serialPort1.IsOpen == true) serialPort1.Close();
}
private void btEnviar_Click(object sender, EventArgs e)
{
if (serialPort1.IsOpen == true)
serialPort1.Write(textBoxEnviar.Text);
}
private delegate void RefreshTextBox();
private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
RxString = serialPort1.ReadExisting();
this.Invoke(new EventHandler(TrataDadoRecebido));
}
private void TrataDadoRecebido(object sender, EventArgs e)
{
textBoxReceber.AppendText(RxString);
}
}
}

Sending cancel parameter C#

Okay, this is my whole code. Now... Detail_BeforePrint() will be called first, and xrPictureBox8_BeforePrint second.
Now I want to call Detail_BeforePrint e.Cancel = true; inside the else in xrPictureBox8_BeforePrint event.
private void Detail_BeforePrint(object sender, System.Drawing.Printing.PrintEventArgs e)
{
//here should e.Cancel = true be if it came from xrPictureBox_BeforePrint()
}
private void xrPictureBox8_BeforePrint(object sender, System.Drawing.Printing.PrintEventArgs e)
{
try
{
if (xrPictureBox8.ImageUrl.Length > 0) { }
else
{
Detail_BeforePrint(null,[call Cancel parameter]);
}
}
catch (Exception)
{
}
}

Maybe something like this would help?
private void Detail_BeforePrint(object sender, System.Drawing.Printing.PrintEventArgs e)
{
DoDetail_BeforePrint(e, false);
}
private void DoDetail_BeforePrint(System.Drawing.Printing.PrintEventArgs e, bool cancel)
{
if (cancel) e.Cancel = true;
//other things
}
private void xrPictureBox8_BeforePrint(object sender, System.Drawing.Printing.PrintEventArgs e)
{
try
{
if (xrPictureBox8.ImageUrl.Length > 0) { }
else
{
DoDetail_BeforePrint(e, true);
//or just call e.Cancel = true here?
}
}
catch (Exception)
{
}
}

How can I amend a record that I have inputting?

I am creating a To Do List using Windows Forms.
This is what I have so far.
The code for this form is as follows
namespace To_Do_List
{
public partial class To_Do_List : Form
{
public To_Do_List()
{
InitializeComponent();
}
private void exitToolStripMenuItem_Click(object sender, EventArgs e) //this is the exit button on the toolstrip
{
Application.Exit(); //exits the program when the Exit button is clicked in dropdown menu
}
private void button4_Click(object sender, EventArgs e)//This creates the button to open the about form
{
AboutMyProgram aboutForm = new AboutMyProgram();
aboutForm.ShowDialog(); //opens about form
}
private void button3_Click(object sender, EventArgs e) //This creates the button to open the form which ammends tasks
{
AmmendItem CreateForm = new AmmendItem(this);
CreateForm.Show();
}
private void button1_Click(object sender, EventArgs e) // This creates the button to open the form which creates new tasks
{
AddItem CreateForm = new AddItem(this);
CreateForm.Show();
}
public void listView1_SelectedIndexChanged_1(object sender, EventArgs e) // This creates the table
{
}
private void button2_Click(object sender, EventArgs e) //This Allows the user to delete entries
{
if (listView1.SelectedItems != null)
{
var confirmation = MessageBox.Show(
"Are you sure you want to delete this?",
"WARNING", MessageBoxButtons.YesNo, MessageBoxIcon.Question
);
if (confirmation == DialogResult.Yes)
{
for (int i = listView1.Items.Count - 1; i >= 0; i--)
{
if (listView1.Items[i].Selected)
{
listView1.Items[i].Remove();
i--;
}
}
}
}
}
}
}
To add a task, the form looks like this
And again, the code is as follows
namespace To_Do_List
{
public partial class AddItem : Form
{
To_Do_List home;
public AddItem(To_Do_List parent)
{
InitializeComponent();
home = parent;
}
private void label1_Click(object sender, EventArgs e)
{
}
private void label1_Click_1(object sender, EventArgs e)
{
}
private void label2_Click(object sender, EventArgs e)
{
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void menuStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
}
private void openListToolStripMenuItem_Click(object sender, EventArgs e)
{
}
private void sortByDateToolStripMenuItem_Click(object sender, EventArgs e)
{
}
public void dateTimePicker1_ValueChanged(object sender, EventArgs e)
{
}
public void textBox1_TextChanged(object sender, EventArgs e)//Title Box
{
}
public void /*Description of Task*/richTextBox1_TextChanged(object sender, EventArgs e)
{
}
public void /*Priority Box*/comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
}
private void exitToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Close(); //causes the window to close but keeps the application running
}
private void aboutToDoListToolStripMenuItem_Click(object sender, EventArgs e)
{
AboutMyProgram aboutForm = new AboutMyProgram();
aboutForm.ShowDialog(); //opens about form displaying copyright information
}
public void button1_Click(object sender, EventArgs e) //create task button
{
ListViewItem item1 = new ListViewItem(Title.Text);
item1.SubItems.Add(Description.Text);
item1.SubItems.Add(Priority.Text);
item1.SubItems.Add(Date.Text);
string value = "";
bool isChecked = Completed.Checked;
if (isChecked)
item1.SubItems.Add(Completed.Text);
else
value = null;
home.listView1.Items.Add(item1);
this.Close();
}
private void Date_ValueChanged(object sender, EventArgs e)
{
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e) //Closes the window
{
this.Close();
}
}
}
The Amend form is exactly the same as the New Task form. How would I go about being able to select a record, pressing the amend button and actually changing?
I'm pretty stumped.
Also, this isn't really part of this question but I'll ask it just in case someone knows.
How would I go about being able to actually save these records so that they are there when I open the application back up again?
Thank you very much for reading, I know that I have just dumped everything but I'm really new to Windows Forms so I didn't want to accidentally miss something important out.
Edit
Am I on the right road with something like this?
public void button1_Click(object sender, EventArgs e)
{
To_Do_List editform = new To_Do_List(Title.Text);
editform.Description.Text = listView1.SelectedItems[0].SubItems[0].Text;
Still can't get it to work :/

This code for popup window.
public partial class frmToDoDetails : Form
{
public string TaskTitle { get; set; }
public string Description { get; set; }
public bool EditMode { get; set; }
public frmToDoDetails()
{
InitializeComponent();
}
private void btnSave_Click(object sender, EventArgs e)
{
TaskTitle = txtTitle.Text;
Description = txtDesc.Text;
this.DialogResult = System.Windows.Forms.DialogResult.OK;
}
private void frmToDoDetails_Load(object sender, EventArgs e)
{
if (EditMode)
{
txtTitle.Text = TaskTitle;
txtDesc.Text = Description;
}
else {
txtTitle.Text = string.Empty;
txtDesc.Text = string.Empty;
}
txtTitle.Focus();
}
}
And this for list
public partial class frmToDo : Form
{
public frmToDo()
{
InitializeComponent();
}
private void btnNew_Click(object sender, EventArgs e)
{
frmToDoDetails frm = new frmToDoDetails();
if (frm.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string[] arr = new string[2];
ListViewItem itm;
arr[0] = frm.TaskTitle;
arr[1] = frm.Description;
itm = new ListViewItem(arr);
listView1.Items.Add(itm);
}
}
private void frmToDo_Load(object sender, EventArgs e)
{
listView1.View = View.Details;
listView1.GridLines = true;
listView1.FullRowSelect = true;
//Add column header
listView1.Columns.Add("Title", 100);
listView1.Columns.Add("Desc", 70);
}
private void listView1_DoubleClick(object sender, EventArgs e)
{
ListViewItem currentItem= listView1.SelectedItems[0];
frmToDoDetails frm = new frmToDoDetails();
frm.TaskTitle = currentItem.SubItems[0].Text;
frm.Description = currentItem.SubItems[1].Text;
frm.EditMode = true;
if (frm.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
currentItem.SubItems[0].Text=frm.TaskTitle;
currentItem.SubItems[1].Text=frm.Description;
}
}
}
I am not added your complete fields(priority, date,etc..).
I hope it will help you.