Intersoft ClientUI Documentation
DragEnterEvent Field



Intersoft.Client.UI.Controls.Interactivity Namespace > DragDrop Class : DragEnterEvent Field
Identifies the DragEnter routed event.
Syntax
Public Shared ReadOnly DragEnterEvent As RoutedEvent
Dim value As RoutedEvent
 
value = DragDrop.DragEnterEvent
public static readonly RoutedEvent DragEnterEvent
public:
static readonly RoutedEvent^ DragEnterEvent
Example

The following code shows how to change the tooltip at DragEnter event. 

All drag-drop events are built on routed event architecture including the DragEnterEvent. To learn more about routed event, see Routed Events overview.
XAML
Copy Code 
<StackPanel HorizontalAlignment="Left" VerticalAlignment="Top">
    <i:Interaction.Behaviors>
        <Intersoft:DragDropBehavior IsDragable="False" TooltipIcon="NotAllowed.png" TooltipText="Not Allowed"/>
    </i:Interaction.Behaviors>
    <Image Source="folder.png" Height="64" Width="64">
        <i:Interaction.Behaviors>
                <Intersoft:DragDropPointBehavior IsDragable="True"/>
        </i:Interaction.Behaviors>
    </Image>
    <TextBlock Text="My Archive" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</StackPanel>
<Image Source="RecycleBin.png" HorizontalAlignment="Center" Height="100" VerticalAlignment="Center" Width="100" AllowDrop=True>
</Image>
C#
Copy Code 
public MainPage()
{
    // Required to initialize variables
    InitializeComponent();

    ISEventManager.RegisterInstanceHandler(
        this.LayoutRoot, // any element in the routed path which applicable in your scenario
        DragDrop.DragEnterEvent, // the routed event
        new Intersoft.Client.UI.Controls.Interactivity.DragEventHandler(DropTarget_DragEnter), // the event handler
        true);
}

private void DropTarget_DragEnter(object sender, Intersoft.Client.UI.Controls.Interactivity.DragEventArgs e)
{
    e.SetCustomTooltip(new BitmapImage(new Uri("Remove.png", UriKind.RelativeOrAbsolute)));
    e.SetCustomTooltip("Remove to recycle bin.");
}
Remarks

This is a bubbling event raised when entering drop target. To learn about the drag drop events sequence see Drag-drop Framework Overview.

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

DragDrop Class
DragDrop Members

Concepts

Drag-drop Framework Overview

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