ImageGear for C and C++ on Linux v20.0 - Updated
API Reference Guide > Core Component API Reference > Core Component Functions Reference > Display Functions > IG_dspl_update_rect_get

This function returns the current values of the update rectangle. If a parameter is a rectangle, and this parameter is not set, then an empty rectangle is returned.


Copy Code

AT_ERRCOUNT ACCUAPI IG_dspl_update_rect_get(
     [IN] HIGEAR hIGear,
     [IN] DWORD dwGrpID,
     [OUT]LPAT_RECTANGLE lpUpdateRect


Name Type Description
hIGear HIGEAR Image handle from which to search the rectangle.
dwGrpID DWORD Identifier of the group from which to get options.
lpUpdateRect LPAT_RECTANGLE Pointer to rectangle in which to copy the value of UpdateRect option. If NULL then it is ignored. If UpdateRect is not set then an empty rectangle is returned.

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++.



See Also:

Geometric Layout

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