Expand Minimize
1 out of 4 rated this helpful - Rate this topic

Control.Handle Property

Gets the window handle that the control is bound to.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
[BrowsableAttribute(false)]
public IntPtr Handle { get; }

Property Value

Type: System.IntPtr
An IntPtr that contains the window handle (HWND) of the control.

Implements

IWin32Window.Handle

The value of the Handle property is a Windows HWND. If the handle has not yet been created, referencing this property will force the handle to be created.

The following code example demonstrates using the ControlPaint.DrawFocusRectangle and the Handle property. To run the example paste the following code in a form. Add two buttons named Button1 and Button2 to the form and ensure all events are connected to their event handlers.


	// This method draws a focus rectangle on Button2 using the 
	// handle and client rectangle of Button2.
	private void Button1_Click(System.Object sender, System.EventArgs e)
	{
		ControlPaint.DrawFocusRectangle(Graphics.FromHwnd(Button2.Handle), 
			Button2.ClientRectangle);
	}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Did you find this helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

ADD
Show:
© 2014 Microsoft. All rights reserved.