DiagramControl.ItemsResizing Event

Fires when a diagram item is resized by the end-user or programmatically.

Namespace: DevExpress.XtraDiagram

Assembly: DevExpress.XtraDiagram.v23.2.dll

NuGet Package: DevExpress.Win.Diagram

Declaration

C#

[DiagramCategory(DiagramCategory.DiagramItems)]
public event EventHandler<DiagramItemsResizingEventArgs> ItemsResizing

VB.NET

<DiagramCategory(DiagramCategory.DiagramItems)>
Public Event ItemsResizing As EventHandler(Of DiagramItemsResizingEventArgs)

Event Data

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

Property	Description
ActionSource	Indicates whether the resizing operation is performed using the selection handles or the Properties Panel.
Cancel	Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs.
Items	Returns the collection of data about items that are being resized.
Mode	Indicates the direction of resizing.
Stage	Indicates whether the resizing operation has just started, is continuing or has been finished or canceled.

Remarks

The ActionSource event’s parameter indicates whether the resizing operation is performed using drag-and-drop or pressing key shortcuts. The Mode property indicates the direction of resizing.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ItemsResizing event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-diagram-proportionally-resize-shapes-within-container/CS/WindowsFormsApp4/Form1.cs#L18

diagramControl1.BeforeItemsResizing += DiagramControl1_BeforeItemsResizing;
diagramControl1.ItemsResizing += DiagramControl1_ItemsResizing;

VB.NET

winforms-diagram-proportionally-resize-shapes-within-container/VB/WindowsFormsApp4/Form1.vb#L20

AddHandler diagramControl1.BeforeItemsResizing, AddressOf DiagramControl1_BeforeItemsResizing
AddHandler diagramControl1.ItemsResizing, AddressOf DiagramControl1_ItemsResizing
DiagramControl.ItemTypeRegistrator.Register(GetType(CustomDiagramContainer))