Class IBlazorConnectionChangeEventArgs

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

Inheritance

System.Object

IBlazorConnectionChangeEventArgs

Namespace: Syncfusion.Blazor.Diagrams

Assembly: Syncfusion.Blazor.dll

Syntax

public class IBlazorConnectionChangeEventArgs : Object

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	true, if the user can prevent the connection or disconnection. Otherwise, false.

Connector

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

Declaration

public DiagramConnector Connector { get; set; }

Property Value

Type	Description
DiagramConnector	The DiagramConnector representing the new source node or target node of the connector.

ConnectorEnd

Returns the wether it is source end or target end.

Declaration

public string ConnectorEnd { get; set; }

Property Value

Type	Description
System.String	Accepts the string value.

NewValue

Returns the current source or target node of the connector.

Declaration

public BlazorConnectionObject NewValue { get; set; }

Property Value

Type	Description
BlazorConnectionObject	The BlazorConnectionObject representing the current source or target node of the connector.

OldValue

Returns the previous source or target node of the connector.

Declaration

public BlazorConnectionObject OldValue { get; set; }

Property Value

Type	Description
BlazorConnectionObject	The BlazorConnectionObject representing the previous source or target node of the connector.

State

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

Declaration

public EventState State { get; set; }

Property Value

Type	Description
EventState	The EventState representing the state of connection endpoint dragging.