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DragDropQueryEventArgs

Class

The event args used for various drag and drop related events.

Definition

Namespace:Telerik.Windows.Controls.DragDrop

Assembly:Telerik.Windows.Controls.dll

Syntax:

public class DragDropQueryEventArgs : DragDropEventArgs

Inheritance: objectRadRoutedEventArgsDragDropEventArgsDragDropQueryEventArgs

Inherited Members DragDropEventArgs.GetElement<T>(Point)DragDropEventArgs.Options

Constructors

DragDropQueryEventArgs(RoutedEvent, object, DragDropOptions)

Initializes a new instance of the DragDropQueryEventArgs class.

public DragDropQueryEventArgs(RoutedEvent routedEvent, object source, DragDropOptions options)

Parameters:routedEventRoutedEvent

The routed event identifier for this instance of the RoutedEventArgs class.

sourceobject

An alternate source that will be reported when the event is handled. This pre-populates the Source property.

optionsDragDropOptions

The drag event options.

Fields

EmptyArgs

DragDropQueryEventArgs

Provides empty DragDropQueryEventArgs.

public static readonly DragDropQueryEventArgs EmptyArgs

Properties

QueryResult

bool?

Gets or sets the result of the query. This result allows or denies actions in the drag drop process.

public bool? QueryResult { get; set; }

Methods

InvokeEventHandler(Delegate, object)

When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation.

protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget)

Parameters:genericHandlerDelegate

The generic handler / delegate implementation to be invoked.

genericTargetobject

The target on which the provided handler should be invoked.

Overrides: DragDropEventArgs.InvokeEventHandler(Delegate, object)