Intersoft ClientUI Documentation
How-to: Change Tooltip when Leaving Drop Target
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Intersoft ClientUI 7 > ClientUI Fundamentals > Drag-drop Framework Overview > Drag-drop Framework How-to Topics > How-to: Change Tooltip when Leaving Drop Target

Glossary Item Box

This example shows how to change the tooltip when leaving a drop target.

Example

Description

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

All drag-drop events are built on routed event architecture including the DragLeaveEvent. To learn more about routed event, see Routed Events overview.

Code

XAML Copy Code 
<Intersoft:UXStackPanel HorizontalAlignment="Center" VerticalAlignment="Top" DragMode="Move" AllowMoveItem="True" AllowDropItem="True">
    <StackPanel>
        <Image Source="folder.png" Height="64" Width="64"/>
        <TextBlock Text="My Archive" HorizontalAlignment="Center" VerticalAlignment="Center"/>
    </StackPanel>
    <StackPanel>
        <Image Source="folder.png" Height="64" Width="64"/>
        <TextBlock Text="My Photos" HorizontalAlignment="Center" VerticalAlignment="Center"/>
    </StackPanel>
    <StackPanel>
        <Image Source="folder.png" Height="64" Width="64"/>
        <TextBlock Text="My Videos" HorizontalAlignment="Center" VerticalAlignment="Center"/>
    </StackPanel>
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.DragLeaveEvent, // the routed event
        new Intersoft.Client.UI.Controls.Interactivity.DragEventHandler(DropTarget_DragLeave), // the event handler
        true);
}

private void DropTarget_DragLeave(object sender, Intersoft.Client.UI.Controls.Interactivity.DragEventArgs e)
{
    e.SetCustomTooltip("Can not drop to this area.");            
}

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