125 lines
4.3 KiB
C#
125 lines
4.3 KiB
C#
//---------------------------------------------------------------------------
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//
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// Copyright (C) Microsoft Corporation. All rights reserved.
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//
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//---------------------------------------------------------------------------
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace ExtendedGrid.Microsoft.Windows.Controls
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{
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/// <summary>
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/// This structure encapsulate the cell information necessary when clipboard content is prepared
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/// </summary>
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public struct DataGridClipboardCellContent
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{
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/// <summary>
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/// Creates a new DataGridClipboardCellValue structure containing information about DataGrid cell
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/// </summary>
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/// <param name="row">DataGrid row item containing the cell</param>
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/// <param name="column">DataGridColumn containing the cell</param>
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/// <param name="value">DataGrid cell value</param>
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public DataGridClipboardCellContent(object item, DataGridColumn column, object content)
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{
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_item = item;
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_column = column;
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_content = content;
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}
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/// <summary>
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/// DataGrid row item containing the cell
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/// </summary>
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public object Item
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{
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get { return _item; }
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}
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/// <summary>
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/// DataGridColumn containing the cell
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/// </summary>
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public DataGridColumn Column
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{
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get { return _column; }
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}
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/// <summary>
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/// Cell content
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/// </summary>
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public object Content
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{
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get { return _content; }
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}
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/// <summary>
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/// Field-by-field comparison to avoid reflection-based ValueType.Equals
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/// </summary>
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/// <param name="data"/>
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/// <returns>True iff this and data are equal</returns>
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public override bool Equals(object data)
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{
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DataGridClipboardCellContent clipboardCellContent;
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if (data is DataGridClipboardCellContent)
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{
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clipboardCellContent = (DataGridClipboardCellContent)data;
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return
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(_column == clipboardCellContent._column) &&
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(_content == clipboardCellContent._content) &&
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(_item == clipboardCellContent._item);
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}
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return false;
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}
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/// <summary>
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/// Return a deterministic hash code
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/// </summary>
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/// <returns>Hash value</returns>
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public override int GetHashCode()
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{
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return
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_column.GetHashCode() ^
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_content.GetHashCode() ^
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_item.GetHashCode();
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}
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/// <summary>
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/// Field-by-field comparison to avoid reflection-based ValueType.Equals
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/// </summary>
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/// <param name="clipboardCellContent1"/>
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/// <param name="clipboardCellContent2"/>
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/// <returns>True iff clipboardCellContent1 and clipboardCellContent2 are equal</returns>
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public static bool operator ==(
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DataGridClipboardCellContent clipboardCellContent1,
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DataGridClipboardCellContent clipboardCellContent2)
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{
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return
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(clipboardCellContent1._column == clipboardCellContent2._column) &&
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(clipboardCellContent1._content == clipboardCellContent2._content) &&
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(clipboardCellContent1._item == clipboardCellContent2._item);
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}
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/// <summary>
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/// Field-by-field comparison to avoid reflection-based ValueType.Equals
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/// </summary>
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/// <param name="clipboardCellContent1"/>
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/// <param name="clipboardCellContent2"/>
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/// <returns>True iff clipboardCellContent1 and clipboardCellContent2 are NOT equal</returns>
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public static bool operator !=(
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DataGridClipboardCellContent clipboardCellContent1,
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DataGridClipboardCellContent clipboardCellContent2)
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{
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return
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(clipboardCellContent1._column != clipboardCellContent2._column) ||
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(clipboardCellContent1._content != clipboardCellContent2._content) ||
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(clipboardCellContent1._item != clipboardCellContent2._item);
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}
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private object _item;
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private DataGridColumn _column;
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private object _content;
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}
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}
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