CustomTaskPane in PLace of Reading Pane

Hi,

I just added a CustomTaskPane to my Exlorer window (Outlook 2007, COM Addin C#)

It works, but it strechtes ober the whole witdh of Outlook and not only below the Explorer View as the standard preview pane.

Is it possible to make the CustomPane look like a preview pane? Like it's now it just takes too much space.

I just watched a video showing how to use a FormRegion to replace the Preview pane based on the message class in VBA and VSTO. Is
this also possible to do with C# and a...

CustomTaskPane in PLace of Reading Pane