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Cyclovenom

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Drag 'n' Drop in Delphi Console Applications

How i Drag and drop in console applications?? i've only been able to do that in Win32 Apps

-Cyclovenom
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Stuart_Johnson

It's not possible.
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ASKER

C'mon everything's possible, even if i have to use Win32 API.
You can't because a console app can't be a drop target.
No, it is possible, i've seen console Apps that has this ability.

http://www.shanky.com/cgi-bin/ryan/download.cgi?lvztoolkit.zip

Drop any file to the makelevel.exe console app and see that it is possible!.

By the way i meant any file by the extensions .ini or .lvz
Cyclovenom:
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If this is still relevant, I have a comment to add.

Cyclovenom: The application you posted is is NOT accepting a dragged file.  It's behaving the same way as any normal application.  Let me get this right:

You are opening Explorer.  Navigating to where the application is located (example, C:\Temp).  From another Explorer window (or the same), you are dragging a file and dropping it onto the filename (buildlevel.exe).

What you are doing is exactly the same as typing BUILDLEVEL.EXE filename at the DOS prompt.  The drag & drop functionality is handled by Windows - not the application.

To replicate this behaviour, all you need to do is use the ParamCount and ParamStr functions.

Eg:

procedure TForm1.FormCreate(Sender: TOBject);
var
  Filename: String;
begin
  if ParamCount = 0 then
   Halt; //No parameters passed

  Filename := ParamStr(1); //ParamStr(0) is the fully qualified filename for the launched executable.
  if not FileExist(Filename) then
    Halt; //File not found
 
  StartProgram(Filename); // Do whatever with the file
end;

Follow what I mean?

So, to get back to our original debate, console apps do not accept drag& drop - Windows Explorer just passes the dropped filename onto the EXE, and the EXE is launched with command line parameters.

Stu

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Stuart_Johnson

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Hi!
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Answered by: Stuart Johnson

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