Core Library for WPF | ComponentOne
Core Library / DragDropManager / DragDrop Behavior / Drag Markers
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    Drag Markers
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    Users can display drag markers while dragging and dropping records. The DragDropManager provides two types of drag markers, such as SourceMarker and TargetMarker. The SourceMarker gets a border to highlight the drag source, and TargetMarker gets a border to highlight the drop location.

    The image below depicts drag markers during drag-and-drop operations.

    Snapshot with drag markers during drag and drop operation

     You can also customize drag markers by changing the BorderBrush and BorderThickness properties:

    C#
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    //To set the Drag and Drop Customizations
    _dd.SourceMarker.BorderThickness = new Thickness(10, 10, 10, 10);
    _dd.SourceMarker.BorderBrush = System.Windows.Media.Brushes.SlateBlue;
    _dd.TargetMarker.BorderThickness = new Thickness(10, 10, 10, 10);
    _dd.TargetMarker.BorderBrush = System.Windows.Media.Brushes.Coral;
    

    This is how the output looks:

    Snapshot with customized drag markers