clearrectangle
This function is used to clear a rectangular region.
void clearrectangle(
int left,
int top,
int right,
int bottom
);
Parameters
left
The x-coordinate of the left of the rectangle.
top
The y-coordinate of the upper of the rectangle.
right
The x-coordinate of the right of the rectangle.
bottom
The y-coordinate of the lower of the rectangle.
Return Value
None
Remarks
The function uses the background color to clear the rectangular region.
Examples
None