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echo: delphi
to: ALL
from: STEVE BATSON
date: 1996-08-21 08:28:00
subject: WinExecAndWait for Delph 2?

Hi All, 
I got the following code from the Borland Web site and I think I have seen it 
or something like it here in the past. Anyway, this only works in Delphi 1.x, 
does anyone have a Delphi 2.0 function that will do the same thing? Or, if 
you know how to modify it, that would be helpful. Here is the function: 
Function WinExecAndWait(Path : string; Visibility : word) : word;
var 
 InstanceID : THandle; 
 PathLen : integer;
begin 
 { inplace conversion of a String to a PChar } 
 PathLen := Length(Path); 
 Move(Path[1],Path[0],PathLen); 
 Path[PathLen] := #0; 
 { Try to run the application } 
 InstanceID := WinExec(@Path,Visibility); 
 if InstanceID < 32 then { a value less than 32 indicates an Exec error } 
    WinExecAndWait := InstanceID 
 else 
 begin 
   Repeat 
     Application.ProcessMessages; 
   until Application.Terminated or (GetModuleUsage(InstanceID) = 0); 
   WinExecAndWait := 32; 
 end;
end; 
The Delphi 2 help says to use the CreateProcess instead of WinExec, but I 
have not had much luck with it. I admit I haven't spent much time on it, but 
don't want to waste a bunch of time on it and then find out there is a bug or 
something I didn't know about. 
Can someone offer some help here? 
Steve
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