private bool TickCreateNewCanvas()
{
if (_incomingCanvas != null)
{
ArgNewPictureBox arg = _incomingCanvas;
_incomingCanvas = null;
_canvas.Clear();
lock (_npbSync){
_newPB.Clear();
_clientServerPictureBoxID.Clear();
}
lock (_astSync){
_argsSendToAllClients.Clear();
_argsSendToAllClients = null;
}
PictureBoxObj pb = new PictureBoxObj(arg.ClientID, 0, PictureBoxStatus.Canvas);
pb.BorderStyle = BorderStyle.FixedSingle;
pb.Width = arg.PBImage.Width;
pb.Height = arg.PBImage.Height;
pb.Image = arg.PBImage;
_canvas.SetCanvas(pb);
AppLogger.Log("New canvas created by " + arg.ClientID);
lock (_astSync) { _argsSendToAllClients = new List <ICommandArg>(); }
return(true);
}
return(false);
}
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();
}
public void Clear()
{
Stop();
ResetEvent?.Invoke(this, null);
IBTNode[] allNodes = _treeNodes.GetValues();
for (int i = 0; i < allNodes.Length; i++)
{
IBTNode cNode = allNodes[i];
if (cNode != null)
{
cNode.NodeErrorEvent -= OnNodeErrorMessageHandler;
this.ResetEvent -= cNode.Reset;
}
}
_treeNodes.Clear();
}