private void Form1_MouseMove(object sender, MouseEventArgs e)
{
controlForm.txtInfo.Text = currentRenderer.GetCoordinateStr(e.X, e.Y);
if (!moving)
{
return;
}
currentRenderer.Move(e.X - moveX0, e.Y - moveY0);
moveX0 = e.X;
moveY0 = e.Y;
}
