private void skglControl1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
MouseTracker.MouseDownLeft(e.X, e.Y);
}
else if (e.Button == MouseButtons.Middle)
{
MouseTracker.MouseDownCenter(e.X, e.Y);
}
else if (e.Button == MouseButtons.Right)
{
MouseTracker.MouseDownRight(e.X, e.Y);
}
}