procedure TForm1.Button1Click(Sender: TObject); var hK : HKEY; dwRet : DWORD; iValue : pchar; begin iValue:=pchar('192.168.1.1'); dwRet:=RegOpenKey(HKEY_LOCAL_MACHINE,'\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Interfaces\{D0955AEB-969C-4A7F-80A6-4D5E00169093}',hK); if dwRet = ERROR_SUCCESS then begin RegSetValueEx(hK,'aaaa',0,REG_MULTI_SZ,pchar('192.168.1.1'),sizeof(iValue)); RegCloseKey(hK); end; end; 为什么不行
var HK:HKEY; s:string; IeCache:array[0..255] of char; IeCacheLen:integer; begin IeCacheLen:=256; RegOpenKey(HKEY_LOCAL_MACHINE,'\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Interfaces\{D0955AEB-969C-4A7F-80A6-4D5E00169093}',HK); RegQueryValueEx(HK,PChar('DefaultGateway'),nil,nil,@IeCache,@ieCacheLen); S:=Strpas(IeCache)+''; end; 为什么不行 s为空
var
hK : HKEY;
dwRet : DWORD;
iValue : pchar;
begin
iValue:=pchar('192.168.1.1');
dwRet:=RegOpenKey(HKEY_LOCAL_MACHINE,'\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Interfaces\{D0955AEB-969C-4A7F-80A6-4D5E00169093}',hK);
if dwRet = ERROR_SUCCESS then
begin
RegSetValueEx(hK,'aaaa',0,REG_MULTI_SZ,pchar('192.168.1.1'),sizeof(iValue));
RegCloseKey(hK);
end;
end;
为什么不行
HK:HKEY;
s:string;
IeCache:array[0..255] of char;
IeCacheLen:integer;
begin
IeCacheLen:=256;
RegOpenKey(HKEY_LOCAL_MACHINE,'\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Interfaces\{D0955AEB-969C-4A7F-80A6-4D5E00169093}',HK);
RegQueryValueEx(HK,PChar('DefaultGateway'),nil,nil,@IeCache,@ieCacheLen);
S:=Strpas(IeCache)+'';
end;
为什么不行
s为空