Class GroupDragHelper

Defines a class that implements the helper methods of the drag window. Used internally.

Inheritance
System.Object
GroupDragHelper
Implements
System.IDisposable
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Syncfusion.Windows.Forms.Grid.Grouping
Assembly: Syncfusion.Grid.Grouping.Windows.dll
Syntax
public class GroupDragHelper : IDisposable

Constructors

GroupDragHelper()

Initializes a new instance of the GroupDragHelper class. Used internally.

Declaration
public GroupDragHelper()

Properties

DragWindow

Gets the drag window. Used internally.

Declaration
public GridGroupDragWindow DragWindow { get; }
Property Value
Type Description
GridGroupDragWindow

IsDragging

Gets a value indicating whether dragging is still in completion or not. Used internally.

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

Returns boolean value to indicate the header is in dragging or not.

LastDragDropEffect

Gets the last drop effect of the drag window. Used internally.

Declaration
public DragDropEffects LastDragDropEffect { get; }
Property Value
Type Description
System.Windows.Forms.DragDropEffects
Remarks

Specifies the possible effects of drag-drop operation.

Methods

CancelDrag()

Cancels the dragging process.

Declaration
public void CancelDrag()

CheckDragCursor(DragDropEffects)

Ensures the drag cursor. Used internally.

Declaration
protected void CheckDragCursor(DragDropEffects e)
Parameters
Type Name Description
System.Windows.Forms.DragDropEffects e

The System.Windows.Forms.DragDropEffects enumerator hold the dropping effect.

Dispose()

Disposes the current object.

Declaration
public void Dispose()

DoDrag(Point, DragDropEffects)

Drags the group to the specified point.

Declaration
public void DoDrag(Point p, DragDropEffects e)
Parameters
Type Name Description
System.Drawing.Point p

The specified point.
System.Windows.Forms.DragDropEffects e

Specifies the effects of a Drag-Drop operation.

EndDrag()

Stops the dragging process.

Declaration
public void EndDrag()

StartDrag(Bitmap, Point, DragDropEffects)

Starts the dragging process. Used internally.

Declaration
public void StartDrag(Bitmap bmp, Point startPoint, DragDropEffects effects)
Parameters
Type Name Description
System.Drawing.Bitmap bmp
System.Drawing.Point startPoint
System.Windows.Forms.DragDropEffects effects
Remarks

Starts to drag the drag window and displays it in the destination location..

StopDrag()

Stops the drag operation. Used internally.

Declaration
protected void StopDrag()

Implements

System.IDisposable