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How can I serialize the custom property of a node?

Platform: WinForms |
Control: Diagram

Serialize custom property of a node

Essential Diagram supports the custom serialization. To serialize the custom property, you have to derive the Group class and create a custom node. You have to override GetObjectData() method and you can add the custom property in the SerializationInfo. Please refer to the below code snippet.



public class CustomNode : Group
protected CustomNode(SerializationInfo info, StreamingContext context) : base(info, context)
this.m_nodeInformation = info.GetString("strDescription");
protected override void GetObjectData(SerializationInfo info, StreamingContext context)
base.GetObjectData(info, context);
// Additional member variables are serialized here
info.AddValue("strDescription", this.NodeInformation);



<Serializable()> _
Public Class CustomNode
Inherits Group
Public Sub New()
End Sub
Protected Sub New(ByVal info As SerializationInfo, ByVal context As StreamingContext)
MyBase.New(info, context)
Me.m_nodeInformation = info.GetString("strDescription")
End Sub
Protected Overrides Sub GetObjectData(ByVal info As SerializationInfo, ByVal context As StreamingContext)
MyBase.GetObjectData(info, context)
' Additional member variables are serialized here
info.AddValue("strDescription", Me.NodeInformation)
End Sub
End Class


Please refer to the attached sample that illustrates this.


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