LPFNIG_GUITHUMBSELECT

This function is called when the user selects a thumbnail in window hWndThumbnail.

Declaration:

	Copy Code
typedef VOID (ACCUAPI LPFNIG_GUITHUMBSELECT) ( LPVOID lpPrivate, HWND hWndThumbnail, const LPSTR lpszFileName, const LPAT_DIB lpDIB, UINT nPageNumber );

Arguments:

Name	Type	Description
lpPrivate	LPVOID	Far pointer to private data passed.
hWndThumbnail	HWND	Thumbnail window handle.
lpszFileName	const LPSTR	Far pointer to zero- terminated string, file name of thumbnail selected.
lpDIB	const LPAT_DIB	Far pointer to its DIB.
nPageNumber	UINT	Page number of the thumbnail that was selected from a GUI window. If the thumbnail comes from a non multi-page file, nPageNumber = 1.

Return Value:

None

Supported Raster Image Formats:

All pixel formats supported by ImageGear for C and C++.

Sample:

Display, Thumbnail

Example:

For a complete example showing the use of this and other IG_GUI_Thumbnail functions and callbacks, see the Thumbnail sample application.

Remarks:

This type of callback function is registered by a call to IG_GUI_thumbnail_CB_register().

You are passed the filename and the address of a copy of the thumbnail image's DIB header. You are also passed the page number of the image in the file.