IsEmpty: Boolean;
The IsEmpty property returns True if the point has 0.0 coordinates.
Sub Button1OnClick(Sender: Object; Args: IMouseEventArgs);
Var
PointF, PointL: IGxPoint;
Link: IWxLink;
s, s1: String;
Begin
Link:=UiWorkspace1.WxWorkspace.CreateLink;
PointF:=Link.FirstPoint.ToPoint;
PointL:=Link.LastPoint.ToPoint;
If PointF.IsEmpty Then
s:="Yes";
Else
s:="No";
End If;
If PointL.IsEmpty Then
s1:="Yes";
Else
s1:="No";
End If;
End Sub Button1OnClick;
After executing the example clicking the button creates a connecting line in the workspace, and the "s" and "s1" variables contain Yes if the start and the end points have the 0.0 coordinates respectively.
See also: