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version 1
CT GET AREA BOUNDARY (area; boundaryCode; left; top; right; bottom)
| Parameter | Type | Description | |
| area | Longint |  | 4D Chart area |
| boundaryCode | Integer | | Boundary code |
| 0 = Document boundary | |||
| 1 = Clipped boundary | |||
| left | Real |  | Receives left boundary of area |
| top | Real | | Receives top boundary of area |
| right | Real | | Receives right boundary of area |
| bottom | Real | | Receives bottom boundary of area |
Description
The CT GET AREA BOUNDARY command returns into the left, top, right, and bottom variables the coordinates of the area rectangle.
• If boundaryCode is 0, CT GET AREA BOUNDARY returns the boundary for the whole document.
• If boundaryCode is 1, CT GET AREA BOUNDARY returns the boundary for the 4D Chart area on a form or for the current size of the 4D Chart plug-in window
Example
This example creates a geometric object composed of several lines in an existing chart area, gets the area's boundary coordinates, and centers the object in the area.
For ($i;0;360;5) vLine:=CT Draw line (Area;50*Cos($i);50*Sin($i);0;0;0) End for CT GET AREA BOUNDARY (Area;1;$left;$top;$right;$bottom) CT MOVE (Area;-1;(($right-$left)/2)-50;(($bottom-$top)/2)-50)
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