C# Signature:

[DllImport("user32.dll")]
static extern uint GetWindowThreadProcessId(IntPtr hWnd, out IntPtr lpdwProcessId);

VB.Net Signature:

Private Declare Function GetWindowThreadProcessId Lib "user32" (ByVal hWnd As IntPtr, ByRef lpdwProcessId As Integer) As Integer

User-Defined Types:

None.

Notes:

None.

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Sample Code:

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