DiagramControl.QueryItemSnapping Event

Fires repeatedly as the end-user triggers snapping while dragging or resizing a diagram shape.

Namespace: DevExpress.XtraDiagram

Assembly: DevExpress.XtraDiagram.v19.1.dll

Declaration

C#

[DiagramCategory(DiagramCategory.DiagramItems)]
public event EventHandler<DiagramQueryItemSnappingEventArgs> QueryItemSnapping

VB.NET

<DiagramCategory(DiagramCategory.DiagramItems)>
Public Event QueryItemSnapping As EventHandler(Of DiagramQueryItemSnappingEventArgs)

Event Data

The QueryItemSnapping event's data class is DiagramQueryItemSnappingEventArgs. The following properties provide information specific to this event:

Property	Description
Allow	Specifies whether to allow snapping of diagram items.
Item	Returns the item that is being dragged by the end-user.
SnapTo	Returns the diagram item to which the item being dragged by the end-user can be snapped.

Remarks

The SnapTo event’s parameter returns the item suitable for snapping (nearest in height/width when the end-user resizes an item or one lying on the same line when the end-user drags an item). The item that is being moved or resized is returned by the Item parameter. The Allow parameter specifies whether to enable snapping to the suitable item.