1．读硬盘序列号
function GetDiskSerial(DiskChar: Char): string;
var
SerialNum : pdword;
a, b : dword;
Buffer : array [0..255] of char;
begin
result := "";
if GetVolumeInformation(PChar(diskchar+":\"), Buffer, SizeOf(Buffer), SerialNum,
a, b, nil, 0) then
Result := IntToStr(SerialNum^);
end;
2．检查磁盘是否就绪
Function DiskReady(Root: string) : Boolean;
var
Oem : CARDINAL ;
Dw1,Dw2 : DWORD ;
begin
Oem := SetErrorMode( SEM_FAILCRITICALERRORS ) ;
if LENGTH(Root) = 1 then Root := Root + ":\\" ;
Result := GetVolumeInformation( PCHAR( Root ), NIL,0,NIL, Dw1,Dw2, NIL,0 ) ;
SetErrorMode( Oem ) ;
end;
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