🚀 go-pugleaf

Your code has this:

>     HWND aHandle = ShellInfo.hProcess;

The item is of type HANDLE and is a process handle, the handle of the 
process you have created.  It is not a window handle or HWND.  By 
using that handle you can use WaitForSingleObject to determine when 
the process you have created has finished.

>     How to get Process ID from aHandle?

You can't.  Under XP Service Pack 1 and above there is a GetProcessId 
function to do it.  Under NT there are undocumented calls to do it 
which are "you hope it works" things.  There is no legal way to do it 
under Win 95, 98, 98SE, ME, NT, 2K or XP prior to SP1.

The problem you describe goes away if you start the program with 
FindExecutable and CreateProcess which results in giving you both a 
process id and a process handle.

Your newly added requirement of maximizing the created process' window 
would then be done via EnumWindows and GetWindowThreadProcessId to 
find the HWND's of the program.

.  Ed

> zoom wrote in message
> news:4125fa10@newsgroups.borland.com...
> Thank you for your helps. I have tried the ShellExecuteEx in the 
> following
> code. Code successfully starts the Notepad.exe but it fails to send 
> message
> to it which I think due to not being able to get the handle to the 
> executed
> app (notepad.exe). So can you see where I'm doing wrong?
>
> . . .
>  SHELLEXECUTEINFO ShellInfo; // Name structure
>  memset(&ShellInfo, 0, sizeof(ShellInfo)); // Set up memory block
>  ShellInfo.cbSize = sizeof(ShellInfo); // Set up structure size
>  ShellInfo.hwnd = NULL;//Handle; // Calling window handle
>  ShellInfo.lpVerb = "open"; // Open the file with default program
>  ShellInfo.lpFile = "Notepad.exe"; // File to open
>  ShellInfo.nShow = SW_NORMAL; // Open in normal window
> ShellInfo.fMask = SEE_MASK_NOCLOSEPROCESS; // Necessary if you want 
> to wait
> for spawned process (Is problem here?)
> bool Okay = ShellExecuteEx(&ShellInfo); // Call to function
>
>  if (Okay) {
>     //WaitForSingleObject(ShellInfo.hProcess, INFINITE); // wait 
> forever
> for process to finish
>     Sleep(1000);
>     HWND aHandle = ShellInfo.hProcess;
>     SendMessage( aHandle,WM_SYSCOMMAND,SC_MAXIMIZE,0 );
>     How to get Process ID from aHandle?
>  }