C# Signature:

    [DllImport("dwmapi.dll", SetLastError=true)]
    static extern int DwmRegisterThumbnail(IntPtr dest, IntPtr src, out IntPtr thumb);

VB Signature:

Declare Function DwmRegisterThumbnail Lib "dwmapi.dll" (ByVal Dest as IntPtr, ByVal Src as IntPtr, ByRef Thumb as IntPtr) As Integer

User-Defined Types:

None.

Alternative Managed API:

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Notes:

Dest = Destination window that thumbnail will be rendered on.

Src = Window to render.

Thumb = Handle to the dwmthumbnail. This variable will be populated by DwmRegisterThumbnail, and is to be used with DwmUpdateThumbnailProperties and DwmUnregisterThumbnail.

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Sample Code:

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