"share" a custom task pane between all windows of the same presentation...

Outlook VSTO how to get Custom Task Pane to work with multiple open compose windows?...

System.InvalidCastException while adding User control to CustomTaskPane...

VSTO Outlook: Getting Screen.FromControl(this).Bounds makes message preview not be displayed in the ...

VSTO Outlook: Detect when custom task pane is being resized manually...

VSTO Outlook: new Outlook apps navigation bar overlapping custom task pane...

Minimise winform without blocking Outlook functionality...

VSTO Outlook: set custom tooltips on task pane buttons...

VSTO Outlook: Custom task pane height includes the titlebar or not?...

VSTO Outlook: Use a form region or a custom task pane to implement a toolbar. Which best?...

VSTO Outlook: Change border and header background color of custom task pane...

VSTO Outlook: Embed an WPF user control within a form region...

VSTO Outlook: Remove title bar from custom task pane...

VSTO Outlook: Custom Task Pane height...

VSTO Outlook: Handle event when custom task pane changes its height...

Custom task pane height not fully expanded empty space remains...

Excel Custom Task Pane not showing...

How to add event listeners for appointment item in outlook taskpane add in?...

How to change lable of button on Ribbon (Word Add In VSTO) when click button at CustomTaskPane...

How do I change the icons on the right task pane tabs...

In Visual Studio, how to solve Button image Quality?...

C# VSTO Excel Addins: How can I access Ribbons Controls from the Addins ThisAddIn_Startup?...

VSTO Add-In CustomTaskPane opens itself after upgrading to Word 2016/2019...

AddInExpress install error - AddCustomTaskPanes...

Add a WPF UserControl to a TaskPane...

The same type is defined in two assemblies...

VSTO-Excel Custom Task Pane AutoResize based on Screen Resolution...

HTML content in Custom Task Pane Outlook VSTO ADD in...

Excel Task Pane add-in to show content from external source...

How can I modify the Office Custom Task Pane menu?...