How do you get the Special Folders Directories from the Windows registry ?

Use the following function to return them. A quck adaption and you should be able to set them as well. For more values to pass into the function check the current contents of the registry key.

function GetSpecialDir(ValueName : string): String;
//  gets the path to a windows special folder and ensures the trailing backslash is on the path.
//  Some Valid ValueNames are
//  ‘Personal’ – My Documents
//  ‘Desktop’ – User’s Desktop
//  ‘Favorites’ – The User Favorites store
var
  Reg: TRegistry;
begin
  result := ”;
  Reg := TRegistry.Create;
try
    Reg.RootKey := HKey_Current_User;
if Reg.OpenKeyReadOnly(‘SoftwareMicrosoftWindowsCurrentVersionExplo
rerShell Folders’) then
      result := IncludeTrailingPathDelimiter(Reg.ReadString(ValueName));
finally
    Reg.Free;
end;
end;