WinAPI: GetDiskFreeSpaceEx - 获取磁盘容量信息

WinAPI: GetDiskFreeSpaceEx - 获取磁盘容量信息
//声明:
GetDiskFreeSpaceEx(
lpDirectoryName: PChar; {磁盘根路径}
var lpFreeBytesAvailableToCaller: TLargeInteger; {可用空间}
var lpTotalNumberOfBytes: TLargeInteger; {总空间}
TotalFree: PLargeInteger {剩余空间}
): BOOL;
---------------------------------------------------------------------------

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//举例:
procedure TForm1.FormCreate(Sender: TObject);
var
d1,d2,d3: Int64;
begin
GetDiskFreeSpaceEx('C:',d1,d2,@d3);

Memo1.Clear;
with Memo1.Lines do
begin
Add(Format('可用空间: %f GB',[d1/1024/1024/1024]));
Add(Format('总空间: %f GB',[d2/1024/1024/1024]));
Add(Format('剩余空间: %f GB',[d3/1024/1024/1024]));
end;
end;

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