[BLACKFIRE69]

Originally Posted by audiofeel

Preliminarily... failure at startup occurs only if the script is built on version 5.6.1. On version 6.2.2, I have not noticed any failures yet. I could be wrong . It is possible that something is wrong with my pc machine. Or I have a mistake in the script.
youtu.be

sorry for the delayed response; i've been quite busy these past few days and, to be honest, i haven't had a good night's sleep in two days.


it seems that the wGetLogicalDriveList function doesn't function as expected in InnoSetup v5.x. however, the FLogicalDrives class works reliably across all scenarios and has undergone thorough testing.

type
  FLogicalDrives = interface(IUnknown)
    '{73D9B3A3-6571-474E-B043-7DC8D3248538}'
    procedure FCreate;
    function Count: Integer;
    function CDriveIndex: Integer;
    function Letter(const Index: Integer): WideString;
    function LetterToIndex(const Letter: WideString): Integer;
    function IsRemovable(const Index: Integer): Boolean;
    function MediaType(const Index: Integer): Integer;
    function MediaTypeEx(const Index: Integer; out HealthStatus, Usage: Integer): Integer;
    function SpaceFreeMB(const Index: Integer): Integer;
    function SpaceAvailableMB(const Index: Integer): Integer;
    function SpaceTotalMB(const Index: Integer): Integer;
  end;

{ Drive Media Type }
const
  HDD_MEDIA_TYPE_UNKNOWN        = $0000;
  HDD_MEDIA_TYPE_USB            = $0001;
  HDD_MEDIA_TYPE_SD             = $0002;
  HDD_MEDIA_TYPE_HDD            = $0003;
  HDD_MEDIA_TYPE_SSD            = $0004;
  HDD_MEDIA_TYPE_SCM            = $0005;
  HDD_MEDIA_TYPE_NVMe           = $0006;

{ Drive Health }
const
  HDD_HEALTH_STATUS_HEALTHY     = $0000;
  HDD_HEALTH_STATUS_WARNING     = $0001;
  HDD_HEALTH_STATUS_UNHEALTHY   = $0002;
  HDD_HEALTH_STATUS_UNKNOWN     = $0005;

{ Drive Usage }
const
  HDD_USAGE_UNKWOWN             = $0000;
  HDD_USAGE_AUTO_SELECT         = $0001; // used for data storage.
  HDD_USAGE_MANUAL_SELECT       = $0002; // used if manually selected by an administrator at the time of virtual disk creation.
  HDD_USAGE_RETIRED             = $0004; // retired from use
  HDD_USAGE_CACHE               = $0005; // used as a cache for other devices.

  { LogicalDrives }
  LogicalDrives.FCreate;

  if LogicalDrives.Count > 0 then
  begin
    { ListBox }
    ListBox.FCreate(FMXForm.Handle);
    ListBox.SetBounds(NSX(32), NSY(53), NSX(297), NSY(249));
    ListBox.OnChange(@ListBoxOnChange);

    if ImgList.Count >= 2 then
      ListBox.ImageList(ImgList.Handle);

    { ListBox-Items }
    SetArrayLength(ListBoxItems, LogicalDrives.Count);

    ListBox.BeginUpdate;   // BeginUpdate
    for i := 0 to LogicalDrives.Count - 1 do
    begin
      ListBoxItems[i] := InitListBoxItemHandle;
      ListBoxItems[i].FCreate(ListBox.Handle);
      ListBoxItems[i].Text(LogicalDrives.Letter(i));

      if (ImgList.Count >= 2) then
      begin
        if (i = LogicalDrives.CDriveIndex) then  // C-Drive
          ListBoxItems[i].ImageIndex(0)
        else
          ListBoxItems[i].ImageIndex(1);
      end;

      ListBox.AddItem(ListBoxItems[i].Handle);
    end;
    ListBox.EndUpdate;     // EndUpdate
  end else
    MsgBox('"LogicalDrives" failded!', mbError, MB_OK);

.