Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

ShowingDockHintsEventArgs.DraggingSource Property

Gets the dragged item’s owner.

Namespace: DevExpress.Xpf.Docking.Base

Assembly: DevExpress.Xpf.Docking.v24.2.dll

NuGet Package: DevExpress.Wpf.Docking

#Declaration

public BaseLayoutItem DraggingSource { get; }

#Property Value

Type Description
BaseLayoutItem

The dragged item’s owner.

#Remarks

The following code sample uses the DraggingSource property to disable DocumentPanels’ dock hints:

<dx:ThemedWindow
  ...
  xmlns:dx="http://schemas.devexpress.com/winfx/2008/xaml/core"
  xmlns:dxdo="http://schemas.devexpress.com/winfx/2008/xaml/docking">
  <dxdo:DockLayoutManager x:Name="DockLayoutManager1" ShowingDockHints="DockLayoutManager1_ShowingDockHints">
    ...
    <dxdo:DocumentGroup>
      <dxdo:DocumentPanel Caption="Document1" AllowFloat="False"/>
      <dxdo:DocumentPanel Caption="Document2" AllowFloat="False"/>
    </dxdo:DocumentGroup>
    ...
  </dxdo:DockLayoutManager>
</dx:ThemedWindow>
private void DockLayoutManager1_ShowingDockHints(object sender, DevExpress.Xpf.Docking.Base.ShowingDockHintsEventArgs e)
  {
    if (e.DraggingSource.IsTabPage)
    e.DisableAll();
  }
See Also