public bool Undo()
{
try
{
if (MLinePaths.Count > 0)
{
var last = MLinePaths.LastOrDefault();
if (last != null)
{
var lastLinePaths = MLinePaths.LastOrDefault();
if (lastLinePaths != null)
{
MRedoLinePaths.Add(lastLinePaths);
}
MLinePaths.Remove(last);
}
Invalidate();
}
MBrushViewChangeListener?.OnViewRemoved(this);
return(MLinePaths?.Count != 0);
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
}
}
public bool Undo()
{
try
{
if (MDrawnPaths.Count > 0)
{
var last = MDrawnPaths.LastOrDefault();
if (last != null)
{
var lastLinePaths = MDrawnPaths.LastOrDefault();
if (lastLinePaths != null)
{
MRedoPaths.Add(lastLinePaths);
}
MDrawnPaths.Remove(last);
}
Invalidate();
}
MBrushViewChangeListener?.OnViewRemoved(this);
return(MDrawnPaths?.Count != 0);
}
catch (Exception e)
{
Methods.DisplayReportResultTrack(e);
return(false);
}
}