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Description
Gets a thumbnail image from this Image object.
Syntax
GpStatus WINGDIPAPI GdipGetImageThumbnail(
GpImage *image,
UINT thumbWidth,
UINT
thumbHeight,
GpImage
**thumbImage,
GetThumbnailImageAbort callback,
VOID *
callbackData
);
PowerBASIC Syntax
DECLARE FUNCTION GdipGetImageThumbnail ( _
BYVAL pImage AS
DWORD, _
BYVAL
thumbWidth AS DWORD, _
BYVAL
thumbHeight AS DWORD, _
BYREF
thumbImage AS DWORD, _
BYVAL pcallback
AS DWORD, _
BYVAL
callbackData AS DWORD _
) AS LONG
Parameters
image
[in] Pointer to the Image object.
thumbWidth
[in] Width, in pixels, of the requested thumbnail image.
thumbHeight
[in] Height, in pixels, of the requested thumbnail image.
thumbImage
[out] Pointer to an Image object that contains the thumbnail
image.
callback
[in] Callback function that you provide. During the process of
creating or retrieving the thumbnail image, Microsoft Windows GDI+ calls this
function to give you the opportunity to abort the process. The default value is
NULL.
callbackData
[in] Pointer to a block of memory that contains data to be used by
the callback function. The default value is NULL.
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