I have a user control with a label and an icon. I have managed to get the tool tip to show when I hover over the label or icon. However it does not show when i hover over transparent parts of the user control. Is there a way to fix this.
I have placed the tool tip in the grid, stack panel, controls them self's and also the user control tags but still the tool tip does not treat the user control as the whole area to show the tool tip.
The default value of the Background property of a Panel is null, which means it does not get any input events.
From the Remarks section of the Panel.Background property page on MSDN:
Panel elements do not receive mouse or stylus events if a Background
is not defined. If you need to handle mouse or stylus events but do
not want a background for your Panel, use Transparent.
Related
I know that label can't receive focus, it doesn't seem to be responsive to tab switching. But all I need is perform some action when user uses tab consequently on a form which has only labels. For example, each label has an associated textbox but this textbox is hidden when the label is visible and vice-versa. What I want is allowing user to use tab to switch between the hidden textboxes on the form, normally, all the textboxes are hidden while all the labels are shown, the labels are supposed to be focusable so that when using tab, it can know that (as some event) to show the associated textbox and hide itself, when switching to another label, the current label whose the associated textbox is shown will become visible again and its associated textbox will become hidden.
I have to implement this kind of 2 in 1 control (textbox and label in a composited control) because I just want to show only the text (no border and background) as if the textbox has a transparent background and only show the textbox (and hide the label) when user need to edit (start by clicking on the field or using tab). This should have been easier for me if there was a transparent background textbox but there isn't a decent one in the world of windows forms. Please notice that I also know of the alpha blend transparent textbox presented in an article in codeproject but it can't meet my need because the text is rendered wrong with ugly border around the text path (some kind of missing antialiasing but it's even worse than that).
I'm really pity if this mechanism can't be implemented, the forms look better when all the fields seem to show info only but a click or tab switch can let user jump in edit mode.
I hope there is some solution out there. Thank you in advance.
I found this solution by a whim in my mind. I didn't think there was such a solution but it does help solve my problem (and I'm sure many others will benefit from it). Simply I have to create my own Label inheriting UserControl. I didn't thought of UserControl before and it is very helpful. Focusability, transparent background, borderlessness are all which can be done easily to a UserControl. The only custom feature I have to do myself is rendering the text which is also very simple and there are many ways to do. I just add a Label to the UserControl and set Label's Dock to DockStyle.Fill, adjust the height of the UserControl properly and that's all.
Thank God helping me think of UserControl before trying any other complicated solution such as listening to TAB and SHIFT + TAB keypress events.
I'm curious about Popup control in Windows Phone. For me, it's some kind of panel, that has IsOpen property. And I should used it, when i want to present some only in some defined context (e.g. button pressed).
But why not use just normal stack, or grid panel, and when use Visiblity when you want to hide, or show it? It's seems to behave the same.
You can change the Horizontal and Vertical position of the popup using the HorizontalOffset /VerticalOffset properties in the Popup control. We don't have that option in the Grid and to other panels.
It is an overlay. It doesn't break page layout as it shows above the main content.
While StackPanel or Grid should be added to main content and when they are shown they'll move other controls down.
I would like the same tool tip message (the one entered in the "ToolTip on myControlId" field) to be displayed when the mouse is hovered over an area which contains multiple controls. I tried putting the controls inside a Panel and GroupBox, but it only works when the mouse is in the "white space" area of the Panel/GroupBox, and, of course, does not work when the mouse is on a control within the Panel/GroupBox.
I'm from the web dev world so I'm open to suggestions for a new approach if I'm going about this the wrong way.
In standart windows developmern (WindowsForms) tootltip or tooltip control is associated to a single control. But you can use ToolTip control (see example how: ToolTip: Windows Forms .NET) and assign to all controls that recieve mouseover event.
If you're in WPF, the story becomes easier as you have message routing so usually it's enought to have subscription in one place.
Hope this helps.
I'm experiencing difficulty with a custom-made User Control, and my searching on Stack Overflow, MSDN, and Google didn't pop up any troubles quite like the one I'm experiencing.
I have a very simple User Control: It's a label, a text box, and a button, with a SaveFileDialog and a FolderSelectDialog available. The text box and button are anchored Left,Right and Right respectively, with the intent that if the control is resized larger, the text box will enlarge to fill the gap, and the button will stay on the right edge of the control.
The problem I am encountering is that when the control is enlarged, the area to the right of the default width of the control becomes blank space when the project is built and run. The pictures here will illustrate what I mean:
In editor:
Running:
The control is smallish in its design window, but when I add it to a form and widen it, it behaves as intended. However, when I run the form the control was added to, half the control isn't visible.
I suspect that I'm overlooking something fairly straightforward, but I wasn't able to find anything addressing this point in my search. Help would be much appreciated.
My guess is that there is a panel or something that is added to your control and will be brought to front somehow runtime.
from property window's top there's a combo from which you can select all the controls in your User Control.
check if all the controls are what you want.
if you find that panel or anything delete it :)
EDIT:
alright this was not your problem.
now I can only assume that you have set some manual sizes to your user control, i.e. in its constructor. in that case designer will show the correct size of you user control,
now some other place in your code, you have set the user controls size manually again. if the layout is suspended and size changes, I think that the anchored controls' size will not change automatically.
if this is your problem, it is probably hard to find.
How can I assign a background image to tabpage control in Visual Studio C# 2010? I am able to provide background image to each of the tab separately, but I cannot do it so for the whole tabpage control, due to which a portion of tabpage control remain with different background and each of the tab pages has ok and fine background.
Here is the picture of my form:
See the 'grey-colored' region in the tabs line. How can I cover the whole tabpage control with one single background?
The header area that contains the tabs is not part of your tab page. It's part of the parent TabControl, which is automatically drawn for you by Windows.
If you want to change how it looks, you'll have to draw it yourself. That's called owner-drawing, and it's not exactly a trivial undertaking, especially for a complicated control like this one. For starters, you can't just use OwnerDrawFixed, because that just allows you to custom draw the contents of the tabs (for example, to change the font). You will need to owner draw the entire tab control.
I can't imagine a good reason that you would ever want do this, but you'll find a few samples online that might help get you started. For example:
http://homepage.ntlworld.com/mdaudi100/alternate/tabcontrols.html
http://www.codeproject.com/KB/tabs/flattabcontrol.aspx