C#復制粘貼

實現復制和粘貼（內容可修改）

//復制
private void button1_Click(object sender, System.EventArgs e)
{

    if (textBox1.SelectedText != "")
        Clipboard.SetDataObject(textBox1.SelectedText);
        //Clipboard.SetText("New Content");      
}

//粘貼
private void button2_Click(object sender, System.EventArgs e)
{
    IDataObject iData = Clipboard.GetDataObject();
    if (iData.GetDataPresent(DataFormats.Text))
    {
        textBox2.Text = (String)iData.GetData(DataFormats.Text);
    }
}