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GetDCEx Reference in C#, VB.NET and VB6


Visual Basic .NET definition
Declare Function GetDCEx Lib "user32" (ByVal hwnd As Integer, ByVal hrgnclip As Integer, ByVal fdwOptions As Integer) As Integer

C# definition
[DllImport("user32")] public static extern int GetDCEx(int hwnd, int hrgnclip, int fdwOptions)


GetDCEx Retrieves a handle to a display device context for the client area of a specified window or for the entire screen. To retrieve a Graphics object, use any of the following:System.Drawing.Graphics.FromHwnd(Windows.Forms.Control.Handle)System.Drawing.Printing.PrintPageEventArgs.GraphicsSystem.Windows.Forms.PaintEventArgs.Graphics To explicitly retrieve a handle, use the following:System.Drawing.Graphics.GetHdc

Further Information:

For further information on Windows API functions such as these, and how to use these API's in your C# and VB.NET applications, please refer to the book 'Network programming in .NET' (Buy at Amazon UK) (Buy at Amazon US)

Visual Basic 6 example source code

C# example source code

Provide a code example



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