void renderer_MouseUp(object sender, QueuedToolEventArgs e)
{
try
{
if (this.InvokeRequired)
{
Action <object, QueuedToolEventArgs> action = renderer_MouseUp;
this.Invoke(action, new object[] { sender, e });
}
else
{
historystack.AddHistoryItem(surface, renderer.PopTotalInvalidRect());
UpdateHistoryButtons(false);
ok.Enabled = true;
}
}
catch (ObjectDisposedException) { }
}
