path finding

[mangakissa]

I created a small application which is running a dataset. this dataset will  be saved as a textfile.
When I using 'assign(F,'sample.txt') and my application runs on temp in wince, my file is saved in the root. But why? How do I find the temp directory or my documents or application directory on winCE with Lazarus?

[taazz]

Code: [Select]

function AppFolder:String;
begin
  Result := ExtractFileDir(Application.ExeName);
end;
That should work on all windows systems.

[Mike.Cornflake]

GetTempDir doesn't look like it's got any OS specific calls (just requires Environment TEMP being defined...)

[mangakissa]

winCE is not window specific. It doesn't use drive letters to combine. The Environment TEMP doesn't exists, because I created myself.
winCE has 4 mountpoints
- /
- application
- my documents
- windows (i'm not sure about this one, device is at the office)

I could try extractfiledir(), but that doesn't give me (for example) My documents\textfiles to copy the file into

[rvk]

I think WinCE doesn't know the concept of "Working directory" so if you save a file without specifying the full path it won't end up in your "Program directory". (It's somewhere in here)

Could you try getting the full program-filename and derive the path to put before sample.txt?

Code: [Select]

var
  lpFileName: array[MAX_PATH+1] of Char;
begin
  GetModuleFileName(NULL, lpFileName, MAX_PATH);
  {...}


[mangakissa]

My apologies to Taaz.
WinCE doesn't use driveletters, but has one mountingpoint called '\'. My application in temp can be found in \temp.
On my device a treefolder example is installed and this tells me 'My Documents' is actually '\My Documents'.
So WinCE does exactly do what Windows does.