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GetWindowDC

The GetWindowDC function retrieves the device context (DC) for the entire window, including title bar, menus, and scroll bars. A window device context permits painting anywhere in a window, because the origin of the device context is the upper-left corner of the window instead of the client area.

VB4-32,5,6
Declare Function GetWindowDC Lib "user32" Alias "GetWindowDC" (ByVal hwnd As Long) As Long

VB.NET
System.Windows.Forms.Form.CreateGraphics.GetHdc

Operating Systems Supported
Requires Windows NT 3.1 or later; Requires Windows 95 or later

Library
User32

Parameter Information
hWnd
Identifies the window with a device context that is to be retrieved.

Return Values
If the function succeeds, the return value is the handle of a device context for the specified window.

If the function fails, the return value is NULL, indicating an error or an invalid hWnd parameter.

Examples

Related Functions

No VB.NET Example Found

 

 


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