DWM_THUMBNAIL_PROPERTIES structure (dwmapi.h)
Specifies Desktop Window Manager (DWM) thumbnail properties. Used by the DwmUpdateThumbnailProperties function.
Syntax
typedef struct _DWM_THUMBNAIL_PROPERTIES {
DWORD dwFlags;
RECT rcDestination;
RECT rcSource;
BYTE opacity;
BOOL fVisible;
BOOL fSourceClientAreaOnly;
} DWM_THUMBNAIL_PROPERTIES, *PDWM_THUMBNAIL_PROPERTIES;
Members
dwFlags
A bitwise combination of DWM thumbnail constant values that indicates which members of this structure are set.
rcDestination
The area in the destination window where the thumbnail will be rendered.
rcSource
The region of the source window to use as the thumbnail. By default, the entire window is used as the thumbnail.
opacity
The opacity with which to render the thumbnail. 0 is fully transparent while 255 is fully opaque. The default value is 255.
fVisible
TRUE to make the thumbnail visible; otherwise, FALSE. The default is FALSE.
fSourceClientAreaOnly
TRUE to use only the thumbnail source's client area; otherwise, FALSE. The default is FALSE.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows Vista [desktop apps only] |
Minimum supported server | Windows Server 2008 [desktop apps only] |
Header | dwmapi.h |