Intersoft ClientUI Documentation
ShadowInit Event (DragDropBehavior)



Intersoft.Client.UI.Controls.Interactivity Namespace > DragDropBehavior Class : ShadowInit Event
Occurs when shadow is initializing.
Syntax
Public Event ShadowInit As DragDropShadowRoutedEventHandler
Dim instance As DragDropBehavior
Dim handler As DragDropShadowRoutedEventHandler
 
AddHandler instance.ShadowInit, handler
public event DragDropShadowRoutedEventHandler ShadowInit
public:
event DragDropShadowRoutedEventHandler^ ShadowInit
Event Data

The event handler receives an argument of type DragDropShadowEventArgs containing data related to this event. The following DragDropShadowEventArgs properties provide information specific to this event.

PropertyDescription
Handled (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route.
HandledBy (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs)Gets or sets the source object that handles this event.
IsHandledByPrimitive (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs)Determines whether this event is handled internally by control infrastructure.
OriginalObject Gets the original object.
OriginalSource (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs)Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class.
RefreshOffset Refresh the current offset based on new shadow object.
RoutedEvent (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs)Gets or sets the RoutedEvent associated with this RoutedEventArgs instance.
ShadowObject Gets or sets the shadow object.
Source (Inherited from Intersoft.Client.Framework.ISRoutedEventArgs) Gets or sets a reference to the object that raised the event.
Remarks

This event raised when shadow image is being initialized. You can customize the drag shadow object from this event.

Example

The following example code demonstrates how to create custom object / image and uses it as drag shadow object when drag drop take place.

XAML
Copy Code 
<StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
    <i:Interaction.Behaviors>
        <Intersoft:DragDropBehavior ShadowInit="DragDropBehavior_ShadowInit"/>
    </i:Interaction.Behaviors>
    <Image Source="folder.png" Height="64" Width="64"/>
    <TextBlock Text="My Archive" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</StackPanel>
C#
Copy Code 
private void DragDropBehavior_ShadowInit(object sender, Intersoft.Client.UI.Controls.Interactivity.DragDropShadowEventArgs e)
{               
    Image originalShadow = e.ShadowObject as Image;

    Image image = new Image() { Source = originalShadow.Source };
    image.Height = originalShadow.ActualHeight;
    image.Width = originalShadow.ActualWidth;

    Border shadow = new Border();
    shadow.BorderThickness = new Thickness(1);
    shadow.BorderBrush = new SolidColorBrush(Color.FromArgb(255, 0, 0, 0));
    shadow.Child = image;
            
    e.ShadowObject = shadow;
}

 

Requirements
This e
See Also

Reference

DragDropBehavior Class
DragDropBehavior Members

Concepts

Drag-drop Framework Overview

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