private void MouseDown(object sender, HalconDotNet.HMouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if ((Control.ModifierKeys & Keys.Control) == Keys.Control)
{
if (roiManager.ROIList.Count > 0)
{
var roi = Clone(roiManager.ROIList[roiManager.ROIList.Count - 1]);
roiManager.CopyROIShape(roi as ROI, (double)e.X, (double)e.Y);
}
}
}
}