procedure GetCDROM(var CD:char);
var
str:string;
Drivers:Integer;
driver:char;
i,temp:integer;
begin
Drivers:=GetLogicalDrives;
temp:=(1 and Drivers);
for i:=0 to 26 do
begin
if temp=1 then
begin
driver:=char(i+integer(''''a''''));
str:=driver+'''':'''';
if GetDriveType(pchar(str))=DRIVE_CDROM then
begin
cd:=driver;
exit;
end;
end;
drivers:=(drivers shr 1);
temp:=(1 and Drivers);
end;
end;
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