title: Left button pressed in mouse move in wpf
body: <p>On mouse move of a grid, left button pressed is not caught, but right button pressed is caught. Any one know the reason? </p>
  
  <pre><code>private void grid1_MouseMove(object sender, MouseEventArgs e)
              {
                  if (e.RightButton == MouseButtonState.Pressed)
                  {
                      //Entered to the loop
                  }
              }
  
   private void grid1_MouseMove(object sender, MouseEventArgs e)
          {
              if (e.LeftButton == MouseButtonState.Pressed)
              {
                  //Not enter to the loop
              }
          }
  </code></pre>