[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'Objects' (#rtl)

# TRect.Grow

Expand rectangle with certain size.

## Declaration

Source position: objects.pp line 242

`procedure TRect.Grow(`
`ADX: Sw_Integer;`
`ADY: Sw_Integer`
`);`

## Description

Grow expands the rectangle with an amount ADX in the X direction (both on the left and right side of the rectangle, thus adding a length 2*ADX to the width of the rectangle), and an amount ADY in the Y direction (both on the top and the bottom side of the rectangle, adding a length 2*ADY to the height of the rectangle.

ADX and ADY can be negative. If the resulting rectangle is empty, it is set to the empty rectangle at (0,0).

## Errors

None.

## See also

TRect.Move |  | Move rectangle along a vector.

## Example

    Program ex6;

    { Program to demonstrate TRect.Grow }

    Uses objects;

    Var ARect,BRect : TRect;

    begin
      ARect.Assign(10,10,20,20);
      ARect.Grow(5,5);
      // Brect should be where new ARect is.
      BRect.Assign(5,5,25,25);
      If ARect.Equals(BRect) Then
        Writeln ('ARect equals BRect')
      Else
        Writeln ('ARect does not equal BRect !');
    end.

Documentation generated on: Feb 26 2014