Changes the location of the polygon's vertex, which is specified by Index to the new location specified by X,Y of the polygon that is connected to ObjectHandle
SetPolyPt(ObjectHandle : HANDLE; Index : INTEGER; X,Y : REAL);
Changes the second end point of a line to the new location specified by X,Y to the line connected by ObjectHandle
SetSegPt2(ObjectHandle : HANDLE; X,Y : REAL);
Changes the first end point of a line to the new location specified by X,Y to the line connected by ObjectHandle
SetSegPt1(ObjectHandle : HANDLE; X,Y : REAL);
Assigns the specifed fill background color to the object that is connected to ObjectHandle