I have a form that inherits from a class (BaseForm).  The baseform class handles basic tasks like saving and restoring window sizes.  I noticed that after adding an UltraToolBaManager to my form (not BaseForm) and enabling the FormDisplayStyle property to RoundedSizable that the form.Height property changes.  It drops the value by 8.  The result is when I close the form and save the height it is smaller than the form actually is.  When I reopen the form and restore the height it is smaller than before.  Do this 6-8 times and the form height is down to 0.  The following code example in a form should be able to recreate the problem.

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Debug.WriteLine(this.Height.ToString());

toolbar1.FormDisplayStyle=Infragistics.Win.UltraWinToolbars.FormDisplayStyle.RoundedSizable;

 Debug.WriteLine(this.Height.ToString());

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 Is this expected or explained behavior or a defect.