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DwmUnregisterThumbnail function

Removes a Desktop Window Manager (DWM) thumbnail relationship created by the DwmRegisterThumbnail function.

Syntax


HRESULT WINAPI DwmUnregisterThumbnail(
  HTHUMBNAIL hThumbnailId
);

Parameters

hThumbnailId

The handle to the thumbnail relationship to be removed. Null or non-existent handles will result in a return value of E_INVALIDARG.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

Unregistering DWM thumbnail relationships must be done within the process that registered the relationships.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Dwmapi.h

Library

Dwmapi.lib

DLL

Dwmapi.dll

See also

Desktop Window Manager Overview
DWM Thumbnail Overview
DwmUpdateThumbnailProperties
DwmQueryThumbnailSourceSize

 

 

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