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//---------------------------------------------------------------------------
//
// File: GiveFeedbackEventArgs.cs
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
// Description: GiveFeedbackEventArgs for drag-and-drop operation.//
//
// History:
// 08/19/2004 : sangilj Created
//
//---------------------------------------------------------------------------
using System;
using System.Diagnostics;
namespace System.Windows
{
/// <summary>
/// The GiveFeedbackEventArgs class represents a type of RoutedEventArgs that
/// are relevant to GiveFeedback.
/// </summary>
public sealed class GiveFeedbackEventArgs : RoutedEventArgs
{
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
#region Constructors
/// <summary>
/// Initializes a new instance of the GiveFeedbackEventArgs class.
/// </summary>
/// <param name="effects">
/// The effect of the drag operation.
/// </param>
/// <param name="useDefaultCursors">
/// Use the default cursors.
/// </param>
internal GiveFeedbackEventArgs(DragDropEffects effects, bool useDefaultCursors)
{
if (!DragDrop.IsValidDragDropEffects(effects))
{
Debug.Assert(false, "Invalid effects");
}
this._effects = effects;
this._useDefaultCursors = useDefaultCursors;
}
#endregion Constructors
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
/// <summary>
/// The effects of drag operation
/// </summary>
public DragDropEffects Effects
{
get
{
return _effects;
}
}
/// <summary>
/// Use the default cursors.
/// </summary>
public bool UseDefaultCursors
{
get
{
return _useDefaultCursors;
}
set
{
_useDefaultCursors = value;
}
}
#endregion Public Methods
#region Protected Methods
//------------------------------------------------------
//
// Protected Methods
//
//------------------------------------------------------
/// <summary>
/// The mechanism used to call the type-specific handler on the target.
/// </summary>
/// <param name="genericHandler">
/// The generic handler to call in a type-specific way.
/// </param>
/// <param name="genericTarget">
/// The target to call the handler on.
/// </param>
protected override void InvokeEventHandler(Delegate genericHandler, object genericTarget)
{
GiveFeedbackEventHandler handler = (GiveFeedbackEventHandler)genericHandler;
handler(genericTarget, this);
}
#endregion Protected Methods
//------------------------------------------------------
//
// Private Fields
//
//------------------------------------------------------
#region Private Fields
private DragDropEffects _effects;
private bool _useDefaultCursors;
#endregion Private Fields
}
}
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