This function may be called to update (repaint) the magnify window (e.g., if the image being displayed in its parent window has changed).

Declaration:

AT_ERRCOUNT ACCUAPI IG_GUI_magnify_update ( 
        HIGEAR hIGear, 
        DWORD dwGrpID, 
        HWND hWNDMagnify 
);

Arguments:

Return Value:

Returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

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

Sample:

Display, GUI Windows

Example:

HIGEAR   hIGear;    /* Global HIGEAR handle of image in parent window */
HWND    hWndMagnify;/* Global HIGEAR handle of Magnify window     */
IG_GUI_magnify_update ( hIGear, IG_GRP_DEFAULT, hWndMagnify );