Try checking the Application object to see if it has an available property/method to return the control that has focus...

You can also revise the sample code (above) to check for TCustomEdit...

I think you should also revert it back if the user switches (Alt-Tab) to another program, not just closing...

Have you verified which functions failed? I suggest not to use anything that's specific to a particular OS version.

Also, better test your program on each of the OS you need to support. Only way...

Just found the cause, it turned out that the timestamp of the related DCUs were different. My only guess is that the design component of TChart was compiled with a different set of DCUs.

Anyway,...

What was the error message?

I believe that TPanel.OnClick requires a TNotifyEvent. This basically means that your procedure must follow this syntax:

procedure (Sender: TObject) of object;
...

Hi,

I've a project that makes use of TChart. In my previous machine, it compiles properly. But when I tried compiling it on a new machine with a clean install of Delphi 5, the following error...