Pooja Poojari
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| title | ms.date | ms.custom | description | dev_langs | helpviewer_keywords | ms.assetid | ||||||
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| How to: Position a Custom Context Menu in a RichTextBox | 03/30/2017 | devdivchpfy22 | Learn how to position a Custom Context Menu in a RichTextBox. |
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How to: Position a Custom Context Menu in a RichTextBox
This example shows how to position a custom context menu for a xref:System.Windows.Controls.RichTextBox.
When you implement a custom context menu for a RichTextBox, you are responsible for handling the placement of the context menu. By default, a custom context menu is opened at the center of the RichTextBox.
Add a listener for the ContextMenuOpening event
To override the default placement behavior, add a listener for the xref:System.Windows.FrameworkContentElement.ContextMenuOpening event. The following example shows how to do this programmatically.
[!code-csharpRichTextBox_ContextMenu#_AddListener] [!code-vbRichTextBox_ContextMenu#_AddListener]
Implementation of ContextMenuOpening event listener
The following example shows an implementation the corresponding xref:System.Windows.FrameworkContentElement.ContextMenuOpening event listener.
[!code-csharpRichTextBox_ContextMenu#_ListenerBody] [!code-vbRichTextBox_ContextMenu#_ListenerBody]