DwmUnregisterThumbnail function (dwmapi.h)
Removes a Desktop Window Manager (DWM) thumbnail relationship created by the DwmRegisterThumbnail function.
Syntax
HRESULT 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
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps only] |
Minimum supported server | Windows Server 2008 [desktop apps only] |
Target Platform | Windows |
Header | dwmapi.h |
Library | Dwmapi.lib |
DLL | Dwmapi.dll |
See also
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