Check for Application.ProcessMessages and CheckSynchronize calls. These process synchronize queue, if I am not mistaken.
I do not call CheckSynchronize nor ProcessMessages in my application. So only any LCL component or widget set can call it in background ? -Laco. -- _______________________________________________ Lazarus mailing list Lazarus@lists.lazarus-ide.org http://lists.lazarus-ide.org/listinfo/lazarus