Unit 'agraphics'	Package
[Overview][Constants][Types][Procedures and functions][Variables][Index]	[#os4units]

EraseRect

Fill a defined rectangular area using the current BackFill hook.

Declaration

Source position: agraphics.pas line 2430

procedure EraseRect(

Rp: PRastPort;

XMin: LongInt;

YMin: LongInt;

XMax: LongInt;

YMax: LongInt

);

Arguments

`Rp`		A pointer to a RastPort structure
`XMin`		X coordinate of the upper left corner of the region to fill.
`YMin`		Y coordinate of the upper left corner of the region to fill.
`XMax`		X coordinate of the lower right corner of the region to fill.
`YMax`		Y coordinate of the lower right corner of the region to fill.

Description

Fill the rectangular region specified by the parameters with the BackFill hook. If non-layered, the rectangular region specified by the parameters is cleared. If layered the ^.BackFill Hook is used. The following relation must be true: (xmax >= xmin) and (ymax >= ymin)