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PowerPoint add-in task pane transparency

Dec 19, 2013 at 11:22 AM
Edited Dec 19, 2013 at 11:50 AM
Hi,

I have a default add-in project for PowerPoint generated by Netoffice Toolbox. The add-in contains a task pane with a user control. When I test the add-in in PowerPoint, the task pane's background is a gradient of gray (it looks exactly like other task panes), but the user control on the pane has a solid white background over it. I would like the user control to be transparent. I tried to use UserControl.SetStyle(ControlStyles.SupportsTransparentBackColor, true) and set its BackColor to transparent, but without any effects.

Thanks for help,
Martin