求代码，实现系统菜单功能（系统剪切，删除，粘帖这些）

[akan2005]

有没有人实现过C#winform中系统菜单功能（主要指-剪切、粘帖、删除，全选，撤消，重做）这些功能？？？

[yuanlai123]

我曾做过记事本实现过这些功能,你上网搜搜吧,应该有许多的

[ylwd2005]

switch(e.Button.ToolTipText)
{
case "加粗":
if(this.richTextBox1.SelectionFont.Bold)
this.richTextBox1.SelectionFont = new Font(this.richTextBox1.SelectionFont.FontFamily,this.richTextBox1.SelectionFont.Size,FontStyle.Regular);
else
this.richTextBox1.SelectionFont = new Font(this.richTextBox1.SelectionFont.FontFamily,this.richTextBox1.SelectionFont.Size,FontStyle.Bold);
break;
case "斜体":
if(this.richTextBox1.SelectionFont.Italic)
this.richTextBox1.SelectionFont = new Font(this.richTextBox1.SelectionFont.FontFamily,this.richTextBox1.SelectionFont.Size,FontStyle.Regular);
else
this.richTextBox1.SelectionFont = new Font(this.richTextBox1.SelectionFont.FontFamily,this.richTextBox1.SelectionFont.Size,FontStyle.Italic);
break;
case "下划线":
if(this.richTextBox1.SelectionFont.Underline)
this.richTextBox1.SelectionFont = new Font(this.richTextBox1.SelectionFont.FontFamily,this.richTextBox1.SelectionFont.Size,FontStyle.Regular);
else
this.richTextBox1.SelectionFont = new Font(this.richTextBox1.SelectionFont.FontFamily,this.richTextBox1.SelectionFont.Size,FontStyle.Underline);
break;
case "左对齐":
this.richTextBox1.SelectionAlignment = HorizontalAlignment.Left;
break;
case "居中":
this.richTextBox1.SelectionAlignment = HorizontalAlignment.Center;
break;
case "右对齐":
this.richTextBox1.SelectionAlignment = HorizontalAlignment.Right;
break;
case "剪贴":
Clipboard.SetDataObject(this.richTextBox1.SelectedText,true);
this.richTextBox1.SelectedText = "";
break;
case "粘贴":
this.richTextBox1.SelectedText=(string)Clipboard.GetDataObject().GetData(DataFormats.Text);
break;
case "删除":
this.richTextBox1.SelectedText = "";
break;
case "撤消":
this.richTextBox1.Undo();
break;
case "重复":
this.richTextBox1.Redo();
break;
case "表格":
DataTable dt = new DataTable();
dt.Columns.Add();
dt.Columns.Add();
dt.Columns.Add();
DataRow dr = dt.NewRow();
dr[0]="aa";
dr[1]="aa";
dr[2]="aa";
dt.Rows.Add(dr);
dr = dt.NewRow();
dr[0]="bb";
dr[1]="bb";
dr[2]="bb";
dt.Rows.Add(dr);
Clipboard.SetDataObject(dt,true);
// this.richTextBox1.SelectedText=Clipboard.GetDataObject().GetData(DataFormats.Text).ToString();
this.richTextBox1.Paste();
MessageBox.Show(this.richTextBox1.Rtf);

break;
case "超链接":
break;
case "图片":
if(this.openFileDialog1.ShowDialog() == DialogResult.OK)
{
this.openFileDialog1.Filter = "图片文件|*.jpg|所有文件|*.*";
Clipboard.SetDataObject(Image.FromFile(this.openFileDialog1.FileName),true);
this.richTextBox1.Paste();
}
break;
case "左缩进":
richTextBox1.SelectionBullet = true;
richTextBox1.SelectionIndent = 8;
richTextBox1.SelectionHangingIndent = 3;
richTextBox1.SelectionRightIndent = 12;
break;
case "右缩进":

break;
case "字体":
this.fontDialog1.ShowColor = true;
if(fontDialog1.ShowDialog() != DialogResult.Cancel)
{
this.richTextBox1.SelectionFont =this.fontDialog1.Font;
this.richTextBox1.SelectionColor = this.fontDialog1.Color;
}
break;
}

[akan2005]

有没有更好的方法？我指的是实现类似于windows系统的功能，而不是针对某一个控件的，如果在一个小软件中有多个这样的控件，那这样写不是很麻烦？？？

我想是不是要用到api等？

谢谢

[277894613]

捕获KeyDown消息
然后在OnKeyDown的去处理

[GhostAdai]

应该是调API实现的