xHarbour Reference Documentation > Function Reference

MSetBounds()

Sets restricting boundaries for the mouse cursor.

Syntax

MSetBounds( [<nTop>], [<nLeft>], [<nBottom>], [<nRight>] ) --> NIL

Arguments

<nTop>

A numeric value indicating the screen coordinate for the top boundary of the restricting rectangle. The default value is 0.

<nLeft>

A numeric value indicating the screen coordinate for the left boundary of the restricting rectangle. The default value is 0.

<nBottom>

A numeric value indicating the screen coordinate for the bottm boundary of the restricting rectangle. The default value is MaxRow().

<nRight>

A numeric value indicating the screen coordinate for the right boundary of the restricting rectangle. The default value is MaxCol().

Return

The function always returns NIL.

Description

The function restricts mouse cursor movement to the rectangle defined with the passed parameters. If no parameter is passed to MSetBounds(), the function releases all boundaries set. MSetBound() is a compatibility function for text mode and full screen applications.

Info

See also:	MPresent(), MRestState(), MSaveState(), MSetCursor()
Category:	Mouse functions
Source:	rtl\mouseapi.c
LIB:	xhb.lib
DLL:	xhbdll.dll