//复制：
private void button1_Click(object sender, System.EventArgs e) {
//如果选中部分不为空 把选中的内容复制到剪贴板
if(textBox1.SelectedText != ”")
Clipboard.SetDataObject(textBox1.SelectedText);
}
//粘贴：
private void button2_Click(object sender, System.EventArgs e) {
// Declares an IDataObject to hold the data returned from the clipboard.
// Retrieves the data from the clipboard.
IDataObject iData = Clipboard.GetDataObject();
// Determines whether the data is in a format you can use.
if(iData.GetDataPresent(DataFormats.Text)) {
// Yes it is, so display it in a text box.
textBox2.Text = (String)iData.GetData(DataFormats.Text);
}
}