Look at the help file:
procedure SetObjAnglePoints(hobj: integer; Points: array of TPoint);
Description
Sets the three points used to define an angle objects (iekAngle).
Parameter Description
hobj Object handle.
Points Array of three points used to define the angle.
Example
ImageEnVect1.ObjKind[IEV_NEXT_INSERTED_OBJECT] := iekAngle;
ImageEnVect1.SetObjAnglePoints(IEV_NEXT_INSERTED_OBJECT, [Point(10, 10), Point(50, 50), Point(10, 100)]);
ImageEnVect1.AddNewObject();
William Miller
Email: w2m@frontiernet.net
EBook: http://www.imageen.com/ebook/
Apprehend: http://www.frontiernet.net/~w2m/index.html