// Takes the selected text from a text box and puts it on the clipboard.
if(textBox1.SelectedText != ”")
Clipboard.SetDataObject(textBox1.SelectedText);
  

// 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);