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function NewLayer(ALayerName: string; aVisible: Boolean = true): integer;

 

 

 

 

       

Description:

 

 Add a layer for TMyCAD, return new layerid,   CurrentLayerid  is new layerid also.

 

Return :

 -1: failed

 else: return LayerId.

 

 

Example:

 

if MyCAD1.NewLayer (' mapLayer')> -1 then

 ShowMessage('Add ok');

 

 

See also:

CurrentLayerId