Class DragDropBehavior<T, ST>

Represents a behavior of the drag & drop and resize functionality of the RadScheduleView control.

Inheritance
System.Object
DragDropBehavior<T, ST>
ScheduleViewDragDropBehavior
Namespace: Telerik.Windows.Controls
Assembly: Telerik.Windows.Controls.ScheduleView.dll

Syntax

public abstract class DragDropBehavior<T, ST> : Object
Type Parameters
T

ST

Constructors

DragDropBehavior()

Declaration
protected DragDropBehavior()

Methods

CanDrop(T)

Gets the value specifying whether the drag operation can be finished, or not.

Declaration
public virtual bool CanDrop(T state)
Parameters
T state

DragDropState identifying the current drag operation.
Returns
System.Boolean

True when the drag operation can be finished, otherwise false.
Remarks

This method is called on every mouse move. All properties in the DragDropState are valid.

CanStartDrag(T)

Gets the value specifying whether the drag operation can be performed or not.

Declaration
public virtual bool CanStartDrag(T state)
Parameters
T state

DragDropState identifying the current drag operation.
Returns
System.Boolean

True when the drag operation can be performed, otherwise false.
Remarks

This is the second method called in a drag operation, right after ValidateDrag(). Only AppointmentsSource, Appointment and DraggedAppointments properties in the DragDropState are valid.

CoerceDraggedItems(T)

Filter the dragged items.

Declaration
public abstract IEnumerable<ST> CoerceDraggedItems(T state)
Parameters
T state

Returns
System.Collections.Generic.IEnumerable<ST>

ConvertDraggedData(Object)

Converts from data to dragged items when the drag enters over the target area.

Declaration
public abstract IEnumerable<ST> ConvertDraggedData(object data)
Parameters
System.Object data

The data.
Returns
System.Collections.Generic.IEnumerable<ST>

DragDropCanceled(T)

Performs canceling the drag operation.

Declaration
public abstract void DragDropCanceled(T state)
Parameters
T state

The state.

DragDropCompleted(T)

Indicates the end of the drag operation.

Declaration
public abstract void DragDropCompleted(T state)
Parameters
T state

Drop(T)

Performs the drag operation.

Declaration
public abstract void Drop(T state)
Parameters
T state

DragDropState identifying the current drag operation.
Remarks

This method is called when the user releases the mouse button. All properties in the DragDropState are valid.

Extension Methods