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CustomTaskPaneCollection.Remove Method

Removes the specified CustomTaskPane from the CustomTaskPaneCollection.

Namespace:  Microsoft.Office.Tools
Assembly:  Microsoft.Office.Tools.Common (in Microsoft.Office.Tools.Common.dll)

bool Remove(
	CustomTaskPane customTaskPane


Type: Microsoft.Office.Tools.CustomTaskPane

The CustomTaskPane to remove from the collection.

Return Value

Type: System.Boolean
true if the CustomTaskPane was successfully removed from the collection; false if the collection does not contain the specified CustomTaskPane.


customTaskPane is null.


The Dispose method has already been called on the CustomTaskPaneCollection.

If your add-in no longer requires a custom task pane, you can use the Remove method to clean up resources used by the task pane while the add-in is still running. When you use this method, the Dispose method of the specified CustomTaskPane object is automatically called.

The Visual Studio Tools for Office runtime automatically cleans up resources used by the custom task pane when the add-in is unloaded. Do not call the Remove method in the ThisAddIn_Shutdown event handler in your project. This method will throw an ObjectDisposedException, because the Visual Studio Tools for Office runtime cleans up resources used by the CustomTaskPane object before ThisAddIn_Shutdown is called.

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