Here is a good article about this question. user controls However in short A Control is either inherited or completely custom. You write and handle many of the events yourself. You can even control how and when the control is drawn thru the use of GDI+ drawing. A UserControl is a collection of controls placed … Read more
My application need to be 64-bit. In order to use custom user controls in the designer I just added a new project to my solution. This new project use the “AnyCPU” setting and contains all my user controls. My solution contains the following projects: MyApp which is my main project (Windows Form Application) compiled in … Read more
It is possible by using SharedSizeGroup. Also check out IsSharedSizeScope. <GroupBox Grid.IsSharedSizeScope=”True”> <Grid> … <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width=”Auto” SharedSizeGroup=”A” /> <GroupBox> <Grid> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition SharedSizeGroup=”A” /> See here for more information.
I was suffering from the same issue for one of our applications and could not find a solution. So I created the user and custom controls manually. After searching the web again I finally found why the designer is failing for this particular project. The answer is that project is 64 bit and Visual Studio … Read more
After creating your user control, you should build the project (F6 or Ctrl+Shift+B). Then Visual Studio automatically adds the control to the Toolbox. You should drag the control from the Toolbox (Ctrl+Alt+X) to the form. If after successfully building the project, the control is not on the Toolbox, make sure that you have Automatically Populate … Read more
This will be a problem with partial postback. The DOM isn’t reloaded and so the document ready function won’t be hit again. You need to assign a partial postback handler in JavaScript like so… function doSomething() { //whatever you want to do on partial postback } Sys.WebForms.PageRequestManager.getInstance().add_endRequest(doSomething); The above call to add_endRequest should be placed … Read more
var myControl = new MyUserControl(); DockPanel.SetDock(myControl, Dock.Left); myDockPanel.Children.Add(myControl); Also see here and here.
I recently fixed this problem for a login splash screen that is being displayed via a storyboard when the main window is first loaded. I believe there were two keys to the fix. One was to make the containing element a focus scope. The other was to handle the Storyboard Completed event for the storyboard … Read more
The Resize event occurs when the control is resized, while the SizeChanged event occurs when the Size property changes. You could use either, as a resize will cause the Size property to change. However, you should rather use the Layout event, as recommended both in the documentation for the Resize and SizeChanged events.
What we want First, let’s define the final class and the base abstract class. public class MyControl : AbstractControl … public abstract class AbstractControl : UserControl // Also works for Form … Now all we need is a Description provider. public class AbstractControlDescriptionProvider<TAbstract, TBase> : TypeDescriptionProvider { public AbstractControlDescriptionProvider() : base(TypeDescriptor.GetProvider(typeof(TAbstract))) { } public override … Read more