Class IBlazorPropertyChangeEventArgs

Notifies when the node, connector, or diagram property has changed.

Inheritance

System.Object

IBlazorPropertyChangeEventArgs

Implements

System.IEquatable<IBlazorPropertyChangeEventArgs>

Namespace: Syncfusion.Blazor.Diagrams

Assembly: Syncfusion.Blazor.dll

Syntax

public class IBlazorPropertyChangeEventArgs : Object, IEquatable<IBlazorPropertyChangeEventArgs>

Examples

<SfDiagram Height="600px" Nodes="@NodeCollection">
   <DiagramEvents PropertyChanged = "Changed" ></ DiagramEvents >
</ SfDiagram >
@code
   {
   public ObservableCollection<DiagramNode> NodeCollection = new ObservableCollection<DiagramNode>();
   public void Changed(IBlazorPropertyChangeEventArgs args)
   {
       if ((args != null) && (args.Element != null) && (args.NewValue != null) && (args.OldValue != null) && (args.Cause == DiagramAction.Render))
       {
           Console.WriteLine("Changed");
       }
   }
   protected override void OnInitialized()
   {
       NodeCollection = new ObservableCollection<DiagramNode>()
       {
           new DiagramNode(){
               Id="node1",
               Height = 100,
               Width = 100,
               OffsetX = 300,
               OffsetY = 100
           },
       };
   }
}

Constructors

IBlazorPropertyChangeEventArgs()

Declaration

public IBlazorPropertyChangeEventArgs()

Properties

Cause

Returns the cause of the event whether it nudge or not.

Declaration

public DiagramAction Cause { get; set; }

Property Value

Type	Description
DiagramAction

Element

Returns the selected element.

Declaration

public DiagramPropertyChangeObject Element { get; set; }

Property Value

Type	Description
DiagramPropertyChangeObject

NewValue

Returns the new value of the node or connectors property that is being changed.

Declaration

public DiagramPropertyChangeObject NewValue { get; set; }

Property Value

Type	Description
DiagramPropertyChangeObject

OldValue

Returns the old value of the node or connector’s property that is being changed.

Declaration

public DiagramPropertyChangeObject OldValue { get; set; }

Property Value

Type	Description
DiagramPropertyChangeObject

Methods

Equals(IBlazorPropertyChangeEventArgs)

Indicates whether the iBlazorPropertyChangeEventArgs object is equal to another object of the same type.

Declaration

public bool Equals(IBlazorPropertyChangeEventArgs iBlazorPropertyChangeEventArgs)

Parameters

Type	Name	Description
IBlazorPropertyChangeEventArgs	iBlazorPropertyChangeEventArgs	Diagram property change event arguments

Returns

Type	Description
System.Boolean	Returns the node/connector property changed

Implements

System.IEquatable<>