Added new kb article pdfviewer-disable-contextmenu

knowledge-base/pdfviewer-disable-contextmenu.md

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+---
+title: Disabling ContextMenu in RadPdfViewer for UI for WinForms
+description: Learn how to disable the ContextMenu in PdfViewer for UI for WinForms by removing the RadContextMenu property.
+type: how-to
+page_title: How to Remove ContextMenu in RadPdfViewer for WinForms
+meta_title: How to Remove ContextMenu in RadPdfViewer for WinForms
+slug: pdfviewer-disable-contextmenu
+tags: pdfviewer, ui for winforms, radcontextmenu, disable-context-menu
+res_type: kb
+ticketid: 1695155
+---
+
+## Environment
+
+|Product Version|Product|Author|
+|----|----|----|
+|2025.2.520|RadPdfViewer for WinForms|[Dinko Krastev](https://www.telerik.com/blogs/author/dinko-krastev)|
+
+## Description
+
+There could be a requirement to disable the default ContextMenu in the RadPdfViewer control. 
+
+## Solution
+
+To disable the right-click context menu in PdfViewer for UI for WinForms, set the `RadContextMenu` property to `null`. This removes the context menu entirely, preventing it from appearing when the user right-clicks inside the RadPdfViewer.
+
+### Example Code
+
+````C#
+
+this.radPdfViewer1.RadContextMenu = null;
+
+````
+In some cases, the default menu items need to be modified, and the [RadPdfViewer Context Menu]({%slug winforms/pdfviewer/ui/context-menu%}) article demonstrates how to do that.
+
+## See Also
+
+- [PdfViewer Documentation](https://docs.telerik.com/devtools/winforms/controls/pdfviewer/overview)
+- [RadContextMenu Documentation](https://docs.telerik.com/devtools/winforms/controls/contextmenu/overview)