private void pnlImage_DragDrop(object sender, DragEventArgs e)
{
string[] drops = (string[])e.Data.GetData(DataFormats.FileDrop, false);
if (drops != null && drops.Length > 0)
{
string fileName = Path.GetFileName(drops[0]);
Image img = Bitmap.FromFile(drops[0]);
if (img == null)
{
return;
}
if (_canvas.IsCleared)
{
SendComNewCanvas(img.Width, img.Height, img);
}
else
{
Point cp = _canvas.PointToClient(new Point(e.X, e.Y));
if (_movedControl != null)
{
SendApplyPictureBox(_movedControl.UniqueID);
_movedControl.Dispose();
_movedControl = null;
}
_movedControl = CreateNewPictureBox(img, cp);
}
}
}
public void Clear()
{
if (_isCleared)
{
return;
}
_isCleared = true;
_needUpdateFrontPicture = true;
_toRemovePB.Clear();
_toApplyPB.Clear();
PictureBoxObj[] pbs = _drawObjects.GetValues();
for (int i = 0; i < pbs.Length; i++)
{
RemovePictureObj(pbs[i].UniqueID);
}
_drawObjects.Clear();
this.Controls.Remove(_backPicture);
this.Controls.Remove(_frontPicture);
CanvasClearEvent?.Invoke(this, null);
_backPicture.Dispose();
_frontPicture.Dispose();
}
