查一下MSDNPDH_STATUS PdhOpenQuery(
LPCTSTR szDataSource,
DWORD_PTR dwUserData,
HQUERY *phQuery
);PDH_STATUS PdhAddCounter(
HQUERY hQuery,
LPCTSTR szFullCounterPath,
DWORD_PTR dwUserData,
HCOUNTER *phCounter
);PDH_STATUS PdhCollectQueryData(
HQUERY hQuery
);PDH_STATUS PdhGetFormattedCounterValue(
HCOUNTER hCounter,
DWORD dwFormat,
LPDWORD lpdwType,
PPDH_FMT_COUNTERVALUE pValue
);PDH_STATUS PdhCloseQuery(
HQUERY hQuery
);pdhAddCounterA和pdhAddCounterW
表示了函数中字符是ASCII形式还是WORD形式的,主要是对于操作系统而言的
LPCTSTR szDataSource,
DWORD_PTR dwUserData,
HQUERY *phQuery
);PDH_STATUS PdhAddCounter(
HQUERY hQuery,
LPCTSTR szFullCounterPath,
DWORD_PTR dwUserData,
HCOUNTER *phCounter
);PDH_STATUS PdhCollectQueryData(
HQUERY hQuery
);PDH_STATUS PdhGetFormattedCounterValue(
HCOUNTER hCounter,
DWORD dwFormat,
LPDWORD lpdwType,
PPDH_FMT_COUNTERVALUE pValue
);PDH_STATUS PdhCloseQuery(
HQUERY hQuery
);pdhAddCounterA和pdhAddCounterW
表示了函数中字符是ASCII形式还是WORD形式的,主要是对于操作系统而言的
unit _use;interfaceuses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
PTForm =^TForm;
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
Procedure hh(S:PChar; Ii: PInteger); stdcall; Stdcall; external 'Project1.DLL';
procedure _style_xpstyle(AWOner:PTForm;bSet:boolean=true); Stdcall; external 'Project1.DLL';
procedure InserAR(Name:PChar;age:integer); Stdcall;external 'Project1.DLL';var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
var
i: integer;
S: array [0..1023] of char;
begin
_style_xpstyle(@self);
end;end.