title: Get title bar height for a SizeableToolWindow .NET form
body: <p>I have already written at <a href="https://stackoverflow.com/questions/13396293/getting-correct-winforms-forms-border-width-when-changing-formborderstyle-from">https://stackoverflow.com/questions/13396293/getting-correct-winforms-forms-border-width-when-changing-formborderstyle-from</a> that .NET WindowsForms package has some problems with calculating the border size. Now I need to know how to retrieve the height of the title bar part of a form with the FormBorderSize property set to 'SizableToolWindow'.</p>