Class IBlazorConnectionChangeEventArgs

Notifies when the connector’s source id or target id was changed.

Inheritance

System.Object

IBlazorConnectionChangeEventArgs

Implements

System.IEquatable<IBlazorConnectionChangeEventArgs>

Namespace: Syncfusion.Blazor.Diagrams

Assembly: Syncfusion.Blazor.dll

Syntax

public class IBlazorConnectionChangeEventArgs : Object, IEquatable<IBlazorConnectionChangeEventArgs>

Examples

<SfDiagram Height="600px" Connectors="@ConnectorCollection">
   <DiagramEvents OnConnectionChange = "ConnectionChange" ></ DiagramEvents >
</ SfDiagram >
@code
{
   //Defines diagram's connector collection
   public ObservableCollection<DiagramConnector> ConnectorCollection = new ObservableCollection<DiagramConnector>();
   public void ConnectionChange(IBlazorConnectionChangeEventArgs args)
   {
       args.Cancel = false;
       if ((args != null) && (args.Connector != null) && (args.ConnectorEnd != null) && (args.State == EventState.Changing) && (args.NewValue != null) && (args.OldValue != null))
       {
           Console.WriteLine("commandExecuted");
       }
   }
   protected override void OnInitialized()
   {
       DiagramConnector DiagramConnector = new DiagramConnector()
       {
           SourcePoint = new ConnectorSourcePoint() { X = 100, Y = 100 },
           TargetPoint = new ConnectorTargetPoint() { X = 200, Y = 200 },
           Style = new ConnectorShapeStyle() { StrokeColor = "#6f409f", StrokeWidth = 1 },
           ///Specify the segments types as straight.
           Type = Segments.Straight,
       };
       ConnectorCollection.Add(DiagramConnector);
   }
}

Constructors

IBlazorConnectionChangeEventArgs()

Declaration

public IBlazorConnectionChangeEventArgs()

Properties

Cancel

Defines wether the user can prevent the connection or disconnection of the connector or not.

Declaration

public bool Cancel { get; set; }

Property Value

Type	Description
System.Boolean

Connector

Returns the new source node or target node of the connector.

Declaration

public DiagramConnector Connector { get; set; }

Property Value

Type	Description
DiagramConnector

ConnectorEnd

Returns the wether it is source end or target end.

Declaration

public string ConnectorEnd { get; set; }

Property Value

Type	Description
System.String

NewValue

Returns the current source or target node of the connector.

Declaration

public BlazorConnectionObject NewValue { get; set; }

Property Value

Type	Description
BlazorConnectionObject

OldValue

Returns the previous source or target node of the connector.

Declaration

public BlazorConnectionObject OldValue { get; set; }

Property Value

Type	Description
BlazorConnectionObject

State

Returns the state of connection endpoint dragging such as starting, completed.

Declaration

public EventState State { get; set; }

Property Value

Type	Description
EventState

Methods

Equals(IBlazorConnectionChangeEventArgs)

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

Declaration

public bool Equals(IBlazorConnectionChangeEventArgs iBlazorConnectionChangeEventArgs)

Parameters

Type	Name	Description
IBlazorConnectionChangeEventArgs	iBlazorConnectionChangeEventArgs	Diagram connection change event arguments

Returns

Type	Description
System.Boolean	Returns the connector is connected or disconnected

Implements

System.IEquatable<>