How to activate control in Windows Forms Docking Manager

11 Aug 20261 minute to read

To activate particular docked control, call the ActivateControl method inside NewDockStateEndLoad event.

Methods Description
ActivateControl Activates the docked control which is passed as a parameter to this method. This method will be effective only when the control is tabbed to other control or controls. This method can be called from a handler for DockingManager.NewDockStateEndLoad Event. The parameter is,

Ctrl

- Indicates the docking window.		 
//The NewDockStateEndLoad event occurs immediately after a new dock state has been loaded.
private void dockingManager1_NewDockStateEndLoad(object sender, System.EventArgs e)
{
    this.dockingManager1.ActivateControl(this.listBox1);
    Console.WriteLine("Listbox is activated");
}
'The NewDockStateEndLoad event occurs immediately after a new dock state has been loaded.
Private Sub dockingManager1_NewDockStateEndLoad(ByVal sender As Object, ByVal e As System.EventArgs)
    Me.dockingManager1.ActivateControl(Me.listBox1)
    Console.WriteLine("Listbox is activated")
End Sub