void Surface_MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
if (inputComponent != null)
{
// This produces more smooth result then the MouseMove event triggered by wpf.
var cursor = Microsoft.Xna.Framework.Input.Mouse.GetState();
MouseEventArgs args = new MouseEventArgs(MouseButtons.Left, (int)cursor.X, (int)cursor.Y, 0);
args.IsLeftButtonDown = leftDown;
args.IsRightButtonDown = rightDown;
args.IsMiddleButtonDown = middleDown;
inputComponent.MouseMove(args);
mouseX = cursor.X;
mouseY = cursor.Y;
}
}