ReadWriteControlDesigner

Anyone know how to use this thing?

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ReadWriteControlDesigner Class

Extends design-time behavior for read/write server controls.

For a list of all members of this type, see
ReadWriteControlDesigner Members.

VB Code:

Public Class ReadWriteControlDesigner
   Inherits ControlDesigner

Code:

---

public class ReadWriteControlDesigner : ControlDesigner

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Thread Safety
Any public static (Shared in Visual Basic) members of this type are safe for multithreaded operations. Any instance members are not guaranteed to be thread safe.

Remarks
This control designer provides the ability to drop controls onto the control for this designer.

Notes to Implementers:Implementors of designers who would like their control to support adding child controls to it should use ReadWriteControlDesigner. If you do not want your control to support child controls, use a designer derived from ControlDesigner.

Requirements
Namespace: System.Web.UI.Design

Platforms: Windows 2000, Windows XP Professional, Windows .NET Server family

Assembly: System.Design (in System.Design.dll

VB Code:

[Visual Basic] 
' Override the MapPropertyToStyle method to set the
' Panel.Wrap property to the NoWrap HTML attribute.
Overrides Protected Sub MapPropertyToStyle(propName As String, varPropValue As Object) 
   ' Display messages when debugging.
   Debug.Assert(Not (propName = Nothing Or propName.Length <> 0), "Invalid property name passed in.")
   Debug.Assert(Not (varPropValue = Nothing), "Invalid property value passed in.")
 
   ' If the parameters passed to the method are null,
   ' return nothing. 
   If ((propName Is Nothing) And (varPropValue Is Nothing)) Then
      Return
   End If
   
   ' If the second parameter is not a null
   ' value, check whether the property name is Wrap.
   If Not (varPropValue Is Nothing) Then
      Try
         ' If property name is wrap, convert
         ' it to the HTML NoWrap attribute.
         If (propName.Equals("Wrap")) Then
            Dim strValue As String = String.Empty
            
            If (CType(varPropValue, Boolean)) Then
               Behavior.SetStyleAttribute("NoWrap", True, strValue, True)
            End If
         Else
           MyBase.MapPropertyToStyle(propName, varPropValue)             
         End If  
       Catch ex As Exception
         Debug.Fail(ex.ToString())
       End Try            
    End If
 End Sub 'MapPropertyToStyle