I'm using the CParametricCustomBar wrapper class instead.   This example comes from a cursor event that shows and allows to change the angle between two lines.   I initiate it on OnCursorAction_MouseDown on first click fAngleBar.ClearFields(); fAngleBar.AddField("A:"); fAngleBar.SetFieldLock(0, false); fAngleBar.Create(); fAngleBar.SetUp(); fAngleBar.Install();           On any other click, withi
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