private void LV_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && e.Clicks == 1)
{
var hitInfo = LV.HitTest(e.Location);
if (hitInfo.Item != null && hitInfo.Item.Selected)
{
SetupCopyHelper();
if (m_CopyHelper.Indexes.Count > 0)
{
m_CanDrag = true;
}
}
}
}