private void pic_PreView_Click(object sender, EventArgs e)
 {
     PictureBox picBox = (PictureBox)sender;
     string path = Convert.ToString(picBox.Tag);
     if (File.Exists(path))
     {
         frmMapView frmMap = new frmMapView(parentForm, this);
         frmMap.MapPath = path;
         frmMap.Show();
     }
 }
 void gi_Click(ucGalleryItem ucgi)
 {
     frmMapView frmMap = new frmMapView(parentForm, this);
     frmMap.MapPath = ucgi.DataPath;
     frmMap.Show();
 }