Add a Custom Property To Diagram And Display It In the Property Editor
13 Jul 20212 minutes to read
The below given code snippet illustrates how you can add a custom property to Diagram and display it in the Property Editor.
//Derived Diagram
public class MyDiagram : Syncfusion.Windows.Forms.Diagram.Controls.Diagram
{
public override Model CreateModel()
{
return new QuickStart.MainForm.MyModel();
}
}
//Derived Model where the new property is added
public class MyModel : Syncfusion.Windows.Forms.Diagram.Model
{
public override void SetDefaultPropertyValues()
{
base.SetDefaultPropertyValues();
this.SetPropertyValue("MyCustomProperty", 0);
}
[
Browsable(true),
Category("MyProperties"),
Description("Description for MyCustomProperty")]
public int MyCustomProperty
{
get
{
object value = this.GetPropertyValue("MyCustomProperty");
if (value != null)
{
return (int)value;
}
return 0;
}
}
}'Derived Diagram
Public Class MyDiagram
Inherits Syncfusion.Windows.Forms.Diagram.Controls.Diagram
Public Overrides Function CreateModel() As Model
Return New QuickStart.MainForm.MyModel()
End Function 'CreateModel
End Class
'Derived Model where the new property is added
Public Class MyModel
Inherits Syncfusion.Windows.Forms.Diagram.Model
Public Overrides Sub SetDefaultPropertyValues()
MyBase.SetDefaultPropertyValues()
Me.SetPropertyValue("MyCustomProperty", 0)
End Sub 'SetDefaultPropertyValues
Public ReadOnly Property MyCustomProperty() As Integer
Get
Dim value As Object = Me.GetPropertyValue("MyCustomProperty")
If Not (value Is Nothing) Then
Return Fix(value)
End If
Return 0
End Get
End Property
End Class 'MyModel