How do I edit class of property from the desinger ?

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I have this class Inherited from ColumnHeader

Public Class xcolumnheader

   Inherits ColumnHeader

   <Browsable(True), DesignerSerializationVisibility(DesignerSerializationVisibility.Content)>
   Public Property CP As New CollectionOfProperties

   Public Class CollectionOfProperties

       <Browsable(True)>
       Public Property Property1 As Boolean

       <Browsable(True)>
       Public Property Property2 As String

       <Browsable(True)>
       Public Property Property3 As Integer

   End Class

End Class

I want the CP property to be editable from the desinger (LIKE editing font of control)

What I have tried:

I tried searching but didn't find how do to it

Posted 12-Aug-18 5:15am

Eng Ahmed Taha

Updated 12-Aug-18 9:22am

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Ralf Meier · Accepted Answer · 2018-08-12T09:23:00

You only have to add the ExpandableObjectConverter as TypeConverter to your class :

VB

Imports System.ComponentModel

Public Class xColumnHeader
    Inherits ColumnHeader

    <DesignerSerializationVisibility(DesignerSerializationVisibility.Content)>
    Public Property CP As New CollectionOfProperties

    <TypeConverter(GetType(ExpandableObjectConverter))>
    Public Class CollectionOfProperties

        Public Property Property1 As Boolean

        Public Property Property2 As String

        Public Property Property3 As Integer

    End Class

End Class

Additional :
You don't need the Browsable-Attribute at your Properties - each Property is normally allways 'browsable'. You only need this Attribute if you want that you Property is NOT browsable ...