C# Signature:

[DllImport("user32.dll")]
static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, UIntPtr wParam,
   IntPtr lParam);

VB Signature:

Declare Function SendMessage Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal Msg As Integer,
   ByVal wParam As UIntPtr, ByVal lParam As IntPtr) As IntPtr

User-Defined Types:

None.

Notes:

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Sample Code:

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Alternative Managed API:

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