FROM:http://blog.csdn.net/wuzhengqing1/article/details/7010902

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取出richTextBox里面的內容

第一種方法：

將richTextBox的內容以字符串的形式取出 ??

string xw = System.Windows.Markup.XamlWriter.Save(richTextBox.Document);

第二種方法：將richTextBox的類容以二進制數據的方法取出 ????

FlowDocument document = richTextBox.Document; ????

System.IO.Stream s = new System.IO.MemoryStream(); ????

System.Windows.Markup.XamlWriter.Save(document, s);???????? ??

byte[] data = new byte[s.Length]; ????

s.Position = 0; ????

s.Read(data, 0, data.Length); ?????

s.Close();

賦值給richTextBox

第一種方法：

將字符串轉換為數據流賦值給richTextBox中? ?

System.IO.StringReader sr = new System.IO.StringReader(xw); ?

System.Xml.XmlReader xr = System.Xml.XmlReader.Create(sr); ?

richTextBox1.Document = (FlowDocument)System.Windows.Markup.XamlReader.Load(xr);

第二種方法：

將二進制數據賦值給richTextBox ??

System.IO.Stream ss = new System.IO.MemoryStream(data); ???

FlowDocument doc = System.Windows.Markup.XamlReader.Load(ss) as FlowDocument; ????

ss.Close(); ????

richTextBox1.Document = doc;

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清空RichTextBox的方法

System.Windows.Documents.FlowDocument doc = richTextBox.Document; ????????

doc.Blocks.Clear();

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如何將一個String類型的字符串賦值給richTextBox

myRTB.Document = new FlowDocument(new Paragraph(new Run(myString)));

FlowDocument doc = new FlowDocument();

Paragraph p = new Paragraph();? // Paragraph 類似于 html 的 P 標簽

Run r = new Run(myString);????? // Run 是一個 Inline 的標簽 p.Inlines.Add(r); doc.Blocks.Add(p); myRTB.Document = doc;

如何將richTextBox中的內容以rtf的格式完全取出 ???????????

string rtf = string.Empty; ???????????

TextRange textRange = new TextRange(richTextBox.Document.ContentStart, richTextBox.Document.ContentEnd); ???????????

using (System.IO.MemoryStream ms = new System.IO.MemoryStream()) ???????????

{ ???????????????

textRange.Save(ms, System.Windows.DataFormats.Rtf); ???????????????

ms.Seek(0, System.IO.SeekOrigin.Begin); ???????????????

System.IO.StreamReader sr = new System.IO.StreamReader(ms); ???????????????

rtf = sr.ReadToEnd(); ???????????

} ????

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操作RichTextBox 復制?? ToolBarCopy.Command = System.Windows.Input.ApplicationCommands.Copy;

剪切?? toolBarCut.Command = System.Windows.Input.ApplicationCommands.Cut;

粘貼?? ToolBarPaste.Command = System.Windows.Input.ApplicationCommands.Paste;

撤銷?? ToolBarUndo.Command = System.Windows.Input.ApplicationCommands.Undo;

復原?? ToolBarRedo.Command = System.Windows.Input.ApplicationCommands.Redo;

文字居中? toolBarContentCenter.Command = System.Windows.Documents.EditingCommands.AlignCenter;

文字居右? toolBarContentRight.Command = System.Windows.Documents.EditingCommands.AlignRight;

文字居左? toolBarContentLeft.Command = System.Windows.Documents.EditingCommands.AlignLeft;

有序排列? ToolBarNumbering.Command = System.Windows.Documents.EditingCommands.ToggleNumbering;

無序排列? ToolBarBullets.Command = System.Windows.Documents.EditingCommands.ToggleBullets;

字體變大 ???????????

int fontSize = Convert.ToInt32(richTextBox.Selection.GetPropertyValue(TextElement.FontSizeProperty)); ???????????

fontSize++; ???????????

richTextBox.Selection.ApplyPropertyValue(TextElement.FontSizeProperty, fontSize.ToString());

轉載于:https://www.cnblogs.com/alex-zhao/archive/2012/09/16/2688003.html

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