private void lblDelay_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
_clicked = true;
_lastPosition = e.Location; //not sure if this is needed here, there is another one in the EditFrames().
}
else
{
con_tbDelay.Text = _delay.ToString();
contextDelay.Show(lblDelay, 0, lblDelay.Height);
}
}