Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Controls / DataGridClipboardHelper.cs / 1305600 / DataGridClipboardHelper.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // //--------------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Text; using System.Windows; namespace System.Windows.Controls { internal static class DataGridClipboardHelper { private const string DATAGRIDVIEW_htmlPrefix = "Version:1.0\r\nStartHTML:00000097\r\nEndHTML:{0}\r\nStartFragment:00000133\r\nEndFragment:{1}\r\n"; private const string DATAGRIDVIEW_htmlStartFragment = "\r\n\r\n"; private const string DATAGRIDVIEW_htmlEndFragment = "\r\n\r\n\r\n"; internal static void FormatCell(object cellValue, bool firstCell, bool lastCell, StringBuilder sb, string format) { bool csv = string.Equals(format, DataFormats.CommaSeparatedValue, StringComparison.OrdinalIgnoreCase); if (csv || string.Equals(format, DataFormats.Text, StringComparison.OrdinalIgnoreCase) || string.Equals(format, DataFormats.UnicodeText, StringComparison.OrdinalIgnoreCase)) { if (cellValue != null) { bool escapeApplied = false; int length = sb.Length; FormatPlainText(cellValue.ToString(), csv, new StringWriter(sb, CultureInfo.CurrentCulture), ref escapeApplied); if (escapeApplied) { sb.Insert(length, '"'); } } if (lastCell) { // Last cell sb.Append('\r'); sb.Append('\n'); } else { sb.Append(csv ? ',' : '\t'); } } else if (string.Equals(format, DataFormats.Html, StringComparison.OrdinalIgnoreCase)) { if (firstCell) { // First cell - append start of row sb.Append(""); } sb.Append(" "); } } } internal static void GetClipboardContentForHtml(StringBuilder content) { content.Insert(0, ""); // Start cell if (cellValue != null) { FormatPlainTextAsHtml(cellValue.ToString(), new StringWriter(sb, CultureInfo.CurrentCulture)); } else { sb.Append(" "); } sb.Append(" "); // End cell if (lastCell) { // Last cell - append end of row sb.Append("
"); break; // default: // The seemingly arbitrary 160 comes from RFC if (ch >= 160 && ch < 256) { output.Write(""); output.Write(((int)ch).ToString(NumberFormatInfo.InvariantInfo)); output.Write(';'); } else { output.Write(ch); } break; } prevCh = ch; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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