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GetWindowLong (coredll)

coredll is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for GetWindowLong in other DLLs exists, click on Find References to the right.

This function retrieves information about the specified window. GetWindowLong also retrieves the 32-bit value at the specified offset into the extra window memory of a window.

C# Signature:

[DllImport("user32.dll", SetLastError=true)]
static extern System.UInt32 GetWindowLong(IntPtr  hWnd, int nIndex);

// or
[DllImport("user32.dll", SetLastError = true)]
static extern IntPtr GetWindowLong(IntPtr window, int index);

VB Signature:

<DllImport("user32.dll")> _
    Private Shared Function GetWindowLong(ByVal hWnd As IntPtr, ByVal nIndex As Integer) As System.UInt32
End Function

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