?? unit1.pas
字號:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
Function GetCDList : String;
Var
I : Integer;
Drives: Integer;
Tmp : String;
begin
Drives := GetLogicalDrives;
Result := '';
// units A=0 to el Z=25
For I := 0 To 25 Do
If (((1 Shl I) And Drives)<>0) Then
Begin
Tmp := Char(65+I)+':\';
If (GetDriveType(PChar(Tmp))=DRIVE_CDROM) Then
Result := Result+Char(65+I);
End;
End;
procedure TForm1.Button1Click(Sender: TObject);
begin
showmessage(GetCDList);
end;
end.
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