formZ SDK | 5.0 API Reference | System | Runtime Library (FZRT) | Graphics
Description
Checks if a rectangle is empty. This function determines whether the specified rectangle is empty. A empty rectangle is one that has no area; that is, the coordinate of the right side is less than or equal to the coordinate of the left side, or the coordinate of the bottom side is less than or equal to the coordinate of the top side.
Plugin Prototype
fzrt_boolean fzrt_empty_rect(
r ) |
Parameters
r [Input]
Pointer to a rectangle structure that contains the logical coordinates of the rectangle.
Returns
TRUE if rectangle is empty, FALSE otherwise.
Availability
5.0.0.0
Function Set
Defined in