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.

Declaration:

Arguments:

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++.

Sample:

filters

See Also:

Geometric Layout