<CategoryAttribute("Behavior")>
Public Property AllowDropItem As Boolean

Dim instance As DropTargetBehavior
Dim value As Boolean
 
instance.AllowDropItem = value
 
value = instance.AllowDropItem

[CategoryAttribute("Behavior")]
public bool AllowDropItem {get; set;}

public read-write property AllowDropItem: Boolean; 

CategoryAttribute("Behavior")
public function get,set AllowDropItem : boolean

[CategoryAttribute("Behavior")]
public: __property bool get_AllowDropItem();
public: __property void set_AllowDropItem( 
   bool value
);

[CategoryAttribute("Behavior")]
public:
property bool AllowDropItem {
   bool get();
   void set (    bool value);
}

<Grid HorizontalAlignment="Center" Height="100" VerticalAlignment="Center" Width="100" Background="Gray" AllowDrop="True">
    <i:Interaction.Behaviors>
        <Intersoft:DropTargetBehavior AllowDropItem="True" TooltipIcon="accept.png" TooltipText="Drop here."/>
    </i:Interaction.Behaviors>
</Grid>

<ListBox HorizontalAlignment="Center" Height="100" VerticalAlignment="Center" Width="100">
    <i:Interaction.Behaviors>
        <Intersoft:DropTargetBehavior AllowDropItem="True" DropBehavior="Custom"  TooltipIcon="accept.png" TooltipText="Drop here."//>
    </i:Interaction.Behaviors>
</ListBox>