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How to lock the docked windows on a form to prevent the layout of the form from being altered accidentally?


You can handle the DockingManager’s DragAllow event for this purpose and set the DragAllowEventArgs’ Cancel property to True as shown below:

This will prevent the docking windows from being dragged and the GUI layout being changed accidentally.


private void dockingManager1_DragAllow(object sender,

Syncfusion.Windows.Forms.Tools.DragAllowEventArgs arg) {

arg.Cancel = true;



Private Sub dockingManager1_DragAllow(ByVal sender As Object, ByVal arg As

Syncfusion.Windows.Forms.Tools.DragAllowEventArgs) Handles dockingManager1.DragAllow


End Sub

Article ID: Published Date: Last Revised Date: Platform: Control:
1029 04/30/2011 07/10/2014 WinForms DockingManager
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