禁用复制和粘贴在wp8中的TextBox中

Question

i am developing a windows phone 8 application using c# and i am trying to disable copy and paste in TextBox. any one can help .

I have tried:

private void digitBox_KeyDown(object sender, KeyEventArgs e)
{ 
   if (e.Key == (Key.Ctrl | Key.V) ) 
   { 
       e.Handled = true; 
       digitBox.SelectionLength = 0; 
    } 
} 

thanx

Answer 1

private void textBox1_KeyDown(object sender, KeyEventArgs e)
  {
   if (e.Modifiers == Keys.Control)
   {
     e.Handled = true;
    textBox1.SelectionLength = 0;
   }
  }