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.NET Development
.NET Framework 3.5
Parameter Class
Parameter Methods
 Clone Method
This page is specific to
Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:
.NET Framework Class Library
Parameter..::.Clone Method

Updated: November 2007

Returns a duplicate of the current Parameter instance.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

Visual Basic (Declaration)
Protected Overridable Function Clone As Parameter
Visual Basic (Usage)
Dim returnValue As Parameter

returnValue = Me.Clone()
C#
protected virtual Parameter Clone()
Visual C++
protected:
virtual Parameter^ Clone()
J#
protected Parameter Clone()
JScript
protected function Clone() : Parameter

Return Value

Type: System.Web.UI.WebControls..::.Parameter

A Parameter that is an exact duplicate of the current one.

The Clone method calls the Parameter(Parameter) copy constructor to initialize a new instance of the Parameter class with the values of the current instance.

If you extend the Parameter class, you can override the Clone method to include any state that should be copied to a new instance of your derived class.

The following code example demonstrates how to call the Parameter(Parameter) constructor from a class that extends the Parameter class to implement correct object cloning behavior for the class. This code example is part of a larger example provided for the Parameter class.

Visual Basic
' The StaticParameter copy constructor is provided to ensure that
' the state contained in the DataValue property is copied to new
' instances of the class.
Protected Sub New(original As StaticParameter)
   MyBase.New(original)
   DataValue = original.DataValue
End Sub

' The Clone method is overridden to call the
' StaticParameter copy constructor, so that the data in
' the DataValue property is correctly transferred to the
' new instance of the StaticParameter.
Protected Overrides Function Clone() As Parameter
   Return New StaticParameter(Me)
End Function

C#
// The StaticParameter copy constructor is provided to ensure that
// the state contained in the DataValue property is copied to new
// instances of the class.
protected StaticParameter(StaticParameter original) : base(original) {
  DataValue = original.DataValue;
}

// The Clone method is overridden to call the
// StaticParameter copy constructor, so that the data in
// the DataValue property is correctly transferred to the
// new instance of the StaticParameter.
protected override Parameter Clone() {
  return new StaticParameter(this);
}

J#
// The StaticParameter copy constructor is provided to ensure that 
// the state contained in the DataValue property is copied to new
// instances of the class. 
protected StaticParameter(StaticParameter original)
{
    super(original);
    set_DataValue(original.get_DataValue());
} //StaticParameter


// The Clone method is overridden to call the 
// StaticParameter copy constructor, so that the data in 
// the DataValue property is correctly transferred to the 
// new instance of the StaticParameter.
protected Parameter Clone()
{
    return new StaticParameter(this);
} //Clone

Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0
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