89 lines
3.3 KiB
C#
89 lines
3.3 KiB
C#
//---------------------------------------------------------------------------
|
|
//
|
|
// Copyright (C) Microsoft Corporation. All rights reserved.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Collections.ObjectModel;
|
|
using System.Diagnostics;
|
|
|
|
namespace ExtendedGrid.Microsoft.Windows.Controls
|
|
{
|
|
/// <summary>
|
|
/// Communicates which cells were added or removed from the SelectedCells collection.
|
|
/// </summary>
|
|
public class SelectedCellsChangedEventArgs : EventArgs
|
|
{
|
|
/// <summary>
|
|
/// Creates a new instance of this class.
|
|
/// </summary>
|
|
/// <param name="addedCells">The cells that were added. Must be non-null, but may be empty.</param>
|
|
/// <param name="removedCells">The cells that were removed. Must be non-null, but may be empty.</param>
|
|
public SelectedCellsChangedEventArgs(List<DataGridCellInfo> addedCells, List<DataGridCellInfo> removedCells)
|
|
{
|
|
if (addedCells == null)
|
|
{
|
|
throw new ArgumentNullException("addedCells");
|
|
}
|
|
|
|
if (removedCells == null)
|
|
{
|
|
throw new ArgumentNullException("removedCells");
|
|
}
|
|
|
|
_addedCells = addedCells.AsReadOnly();
|
|
_removedCells = removedCells.AsReadOnly();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a new instance of this class.
|
|
/// </summary>
|
|
/// <param name="addedCells">The cells that were added. Must be non-null, but may be empty.</param>
|
|
/// <param name="removedCells">The cells that were removed. Must be non-null, but may be empty.</param>
|
|
public SelectedCellsChangedEventArgs(ReadOnlyCollection<DataGridCellInfo> addedCells, ReadOnlyCollection<DataGridCellInfo> removedCells)
|
|
{
|
|
if (addedCells == null)
|
|
{
|
|
throw new ArgumentNullException("addedCells");
|
|
}
|
|
|
|
if (removedCells == null)
|
|
{
|
|
throw new ArgumentNullException("removedCells");
|
|
}
|
|
|
|
_addedCells = addedCells;
|
|
_removedCells = removedCells;
|
|
}
|
|
|
|
internal SelectedCellsChangedEventArgs(DataGrid owner, VirtualizedCellInfoCollection addedCells, VirtualizedCellInfoCollection removedCells)
|
|
{
|
|
_addedCells = (addedCells != null) ? addedCells : VirtualizedCellInfoCollection.MakeEmptyCollection(owner);
|
|
_removedCells = (removedCells != null) ? removedCells : VirtualizedCellInfoCollection.MakeEmptyCollection(owner);
|
|
|
|
Debug.Assert(_addedCells.IsReadOnly, "_addedCells should have ended up as read-only.");
|
|
Debug.Assert(_removedCells.IsReadOnly, "_removedCells should have ended up as read-only.");
|
|
}
|
|
|
|
/// <summary>
|
|
/// The cells that were added.
|
|
/// </summary>
|
|
public IList<DataGridCellInfo> AddedCells
|
|
{
|
|
get { return _addedCells; }
|
|
}
|
|
|
|
/// <summary>
|
|
/// The cells that were removed.
|
|
/// </summary>
|
|
public IList<DataGridCellInfo> RemovedCells
|
|
{
|
|
get { return _removedCells; }
|
|
}
|
|
|
|
private IList<DataGridCellInfo> _addedCells;
|
|
private IList<DataGridCellInfo> _removedCells;
|
|
}
|
|
} |