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var
  Drive: Char;
  DriveType: Integer;
  DriveMask: Integer;
  Flag: Integer;
begin
  DriveMask:=GetLogicalDrives;
  flag:=1;
  for Drive := 'A' to 'Z' do
  begin
    if (flag and DriveMask)<>0 then
    begin
      DriveType := GetDriveType(PChar(Format('%S:\',[Drive]) ) ) ;
      AItems.Add(Format('%s: %s', [Drive, DriveTypeTexts[DriveType]]));
    end;
    flag:=flag shl 1;
  end;					

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unit fertigchat;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, DXPlay, StdCtrls, jpeg, ExtCtrls, XPMan, DIB, ImgList;

type
  Tbfme = class(TForm)
    DXPlay1: TDXPlay;
    Button1: TButton;
    Timer1: TTimer;
    Image1: TImage;
    Label1: TLabel;
    Listbar1: TListBox;
    Edit1: TEdit;
    ListBox1: TListBox;
    Button3: TButton;
    Button4: TButton;
    OpenDialog1: TOpenDialog;
    SaveDialog1: TSaveDialog;
    procedure DXPlay1Message(Sender: TObject; From: TDXPlayPlayer;
      Data: Pointer; DataSize: Integer);
    procedure Button1Click(Sender: TObject);
    procedure Edit1KeyPress(Sender: TObject; var Key: Char);
    procedure FormDestroy(Sender: TObject);
    procedure DXPlay1AddPlayer(Sender: TObject; Player: TDXPlayPlayer);
    procedure DXPlay1DeletePlayer(Sender: TObject; Player: TDXPlayPlayer);
    procedure Timer1Timer(Sender: TObject);
    procedure DXPlay1Open(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure Timer2Timer(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure Button4Click(Sender: TObject);
  private
    { Private-Deklarationen }
  public
    { Public-Deklarationen }
  end;
   TDXChatMessage = record
  dwType: DWORD;
  Len:    WORD;
  Msg:    Array[0..0] of Char;
end;

var
  bfme: Tbfme;

const
  DX_ChatMessage = 1;

implementation

uses Unit4;

{$R *.dfm}

procedure Tbfme.DXPlay1Message(Sender: TObject; From: TDXPlayPlayer;
  Data: Pointer; DataSize: Integer);
var
  S: String;
begin
  if DXPlayMessageType(Data) = DX_ChatMessage then
  begin
    with TDXChatMessage(Data^) do
    begin
      SetLength(S, Len);
      StrLCopy(pChar(S), Msg, Len);
    end;
    if edit1.Text <> '' then
    listbar1.Items.add('['+TimeToStr(Now)+']  '+From.Name + ': ' + S)
    else

  end;
end;

procedure Tbfme.Button1Click(Sender: TObject);
var
  ChatMsg: ^TDXChatMessage;
  MsgSize, i: Integer;
begin
  Edit1.SetFocus;
if Edit1.Text <> '' then
 begin
  MsgSize := SizeOf(TDXChatMessage) + Length(Edit1.Text);
  GetMem(ChatMsg, MsgSize);

  with TDXChatMessage(ChatMsg^) do
  begin
    dwType := DX_ChatMessage;
    Len    := Length(Edit1.Text);
    StrLCopy(Msg, pChar(Edit1.Text), Length(Edit1.Text));
  end;

For I := 0 To DxPlay1.Players.Count-1 Do
      DxPlay1.SendMessage(DxPlay1.Players.Items[I].ID, ChatMsg, MsgSize);
  DxPlay1.SendMessage(DxPlay1.LocalPlayer.ID, ChatMsg, MsgSize);

  Edit1.Clear;

  FreeMem(ChatMsg);
  end;
end;

procedure Tbfme.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if Key = #13 then
begin
  Button1Click(Sender);
  Key := #0;
end;

end;

procedure Tbfme.FormDestroy(Sender: TObject);
begin
bfme.close;
end;

procedure Tbfme.DXPlay1AddPlayer(Sender: TObject; Player: TDXPlayPlayer);
var
i: Integer;
begin
for i := 0 to DxPlay1.Players.Count-1 do
 begin
  try
  Listbox1.Items.Add(DXPLay1.Players.Players[i].Name);
  Listbar1.Items.Add(DXPLay1.Players.Players[i].Name+' hat den Raum betreten.')
  finally

   end;
  end;
end;

procedure Tbfme.DXPlay1DeletePlayer(Sender: TObject;
  Player: TDXPlayPlayer);
var
i, z: Integer;
begin
for i := 0 to DxPlay1.Players.Count-1 do
 begin
  try
  z:=Listbox1.ItemIndex;
  listbox1.Items.Delete(z);
  Listbar1.Items.Add(DXPLay1.Players.Players[i].Name+' hat den Raum verlassen.')
  finally

   end;
  end;
end;


procedure Tbfme.Timer1Timer(Sender: TObject);
begin
listbar1.TopIndex := listbar1.TopIndex+1;
end;

procedure Tbfme.DXPlay1Open(Sender: TObject);
begin
Label1.caption := (dxplay1.SessionName);
end;

procedure Tbfme.Button2Click(Sender: TObject);
var
i, z: Integer;
begin
Edit1.Text := '';
Listbar1.Items.Clear;
begin
for i := 0 to DxPlay1.Players.Count-1 do
 begin
  Listbar1.Items.add(DXPLay1.Players.Players[i].Name+' hat sich (re)eingeloggt.');
end;
end;
end;



procedure Tbfme.FormCreate(Sender: TObject);
var
  i, cavb : 237..255;
begin

if AlphaBlend=False then
  begin
    AlphaBlendValue:=255;
    AlphaBlend:=True;
  end;
  cavb:=AlphaBlendValue;

  for i := cavb downto 245 do
  begin
    AlphaBlendValue := i;
    Application.ProcessMessages;
  end;
  SendMessage(Listbar1.Handle, LB_SetHorizontalExtent, 1000, Longint(0));
end;

procedure Tbfme.Timer2Timer(Sender: TObject);
var
  kl,len,width: integer;
begin
  with listbar1 do begin
    width := 297;
    for kl := 0 to items.count -1 do begin
      len := canvas.textwidth(items[kl]);
      if len > width then width := len;
    end;
    //set listbox's horizontal scrollbar width
    Perform(LB_SETHORIZONTALEXTENT,width+100,0);
  end;
end;

procedure Tbfme.Button3Click(Sender: TObject);
begin
Optionen.show;
end;

procedure Tbfme.FormClose(Sender: TObject; var Action: TCloseAction);
begin
if(mrYes = MessageDlg(
       'Wollen Sie das Gespräch speichern?',
       mtInformation,
       [mbYes, mbNo],
       0)) then
begin
savedialog1.execute;
listbar1.Items.SaveToFile(savedialog1.filename+'.txt');
end;
end;

procedure Tbfme.Button4Click(Sender: TObject);
begin
opendialog1.execute;
  if fileexists(opendialog1.filename) then
  begin
    listbar1.Items.LoadFromFile(OpenDialog1.filename);
  end
  else
  begin
    listbar1.items.add('keine Einträge vorhanden');
  end;
  end;

end.