Class DragBehavior

Represents the drag behavior for the internal window functionality. This behavior allows the window to be draggable by the user, enhancing the UI interaction.

Inheritance
System.Object
DragBehavior
Namespace: Telerik.Windows.Controls.InternalWindow
Assembly: Telerik.Windows.Controls.Navigation.dll

Syntax

public class DragBehavior : Object

Properties

IsDragging

Gets a value indicating whether the window is currently being dragged.

Declaration
public bool IsDragging { get; }
Property Value
System.Boolean

true if the window is being dragged; otherwise, false.

Methods

BeginDrag(UIElement, IDragAware, Point, Rect, Action<Rect>, Boolean)

Initializes the drag operation for the specified UI element, allowing it to be moved within a defined area.

Declaration
public static DragBehavior BeginDrag(UIElement element, IDragAware aware, Point globalMousePosition, Rect initialRect, Action<Rect> positionUpdatedCallback, bool forceCapture)
Parameters
System.Windows.UIElement element

The UI element that will be dragged.
IDragAware aware

An object that implements IDragAware, providing necessary context for the drag operation.
System.Windows.Point globalMousePosition

The initial point where the drag operation begins.
System.Windows.Rect initialRect

The rectangle that defines the allowed area for the dragging operation.
System.Action<System.Windows.Rect> positionUpdatedCallback

An action to be executed once the drag operation is complete, taking the final rectangle position as a parameter.
System.Boolean forceCapture

A boolean indicating whether the dragging operation is modal.
Returns
DragBehavior

A boolean value indicating whether the drag operation was successfully initiated.

BeginDrag(WindowBase, Point, Boolean)

Initiates the drag operation for the specified window.

Declaration
public static DragBehavior BeginDrag(WindowBase window, Point globalMousePosition, bool forceCapture)
Parameters
WindowBase window

The window that is being dragged.
System.Windows.Point globalMousePosition

The point where the drag operation starts, relative to the screen.
System.Boolean forceCapture

Indicates whether the drag operation is for a modal window.
Returns
DragBehavior

Returns a boolean value indicating whether the drag operation was successfully initiated.

FinishDrag(Point, Boolean)

Finalizes the drag operation by releasing the dragged element and updating the necessary state.

Declaration
public void FinishDrag(Point globalMousePosition, bool isCancel)
Parameters
System.Windows.Point globalMousePosition

The current position of the mouse, represented as a Point.
System.Boolean isCancel

A boolean value indicating whether to cancel the drag operation.

Extension Methods