//---------------------------------------------------------------------------
//
// File: DeferredSelectedIndexReference.cs
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
// Description: Proxy object passed to the property system to delay load
// Selector.SelectedIndex values.
//
//---------------------------------------------------------------------------
using System.Windows.Controls.Primitives;
namespace System.Windows.Controls
{
// Proxy object passed to the property system to delay load Selector.SelectedIndex
// values.
internal class DeferredSelectedIndexReference : DeferredReference
{
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
#region Constructors
internal DeferredSelectedIndexReference(Selector selector)
{
_selector = selector;
}
#endregion Constructors
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
// Does the real work to calculate the current SelectedIndexProperty value.
internal override object GetValue(BaseValueSourceInternal valueSource)
{
return _selector.InternalSelectedIndex;
}
// Gets the type of the value it represents
internal override Type GetValueType()
{
return typeof(int);
}
#endregion Internal Methods
//------------------------------------------------------
//
// Private Fields
//
//------------------------------------------------------
#region Private Fields
// Selector mapped to this object.
private readonly Selector _selector;
#endregion Private Fields
}
}
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