使用WSAAsyncGetHostByName时出现错误‘missing operator or semicolon',但是无论如何也看不出错误:
procedure TForm1.FormCreate(Sender: TObject);
var
wsadata:TWSAData;
begin
if(wsaStartup(makeword(2,0),wsadata)<>0) then
raise Exception.Create('winsock version error');
end;procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
wsaCleanup;
end;procedure TForm1.wsaasyncGetHostByNameClick(Sender: TObject);
begin
hAsyncTaskhandle:=WSAAsyncGetHostByName(Handle,WM_RESOLVED,pchar(edit1.Text),pchar(@buf),MAXGETHOSTSTRUCT);
end;
错误就显示在上一行,望各位为我这样的苯鸟指点一下。
procedure TForm1.FormCreate(Sender: TObject);
var
wsadata:TWSAData;
begin
if(wsaStartup(makeword(2,0),wsadata)<>0) then
raise Exception.Create('winsock version error');
end;procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
wsaCleanup;
end;procedure TForm1.wsaasyncGetHostByNameClick(Sender: TObject);
begin
hAsyncTaskhandle:=WSAAsyncGetHostByName(Handle,WM_RESOLVED,pchar(edit1.Text),pchar(@buf),MAXGETHOSTSTRUCT);
end;
错误就显示在上一行,望各位为我这样的苯鸟指点一下。
Form1: TForm1;
hAsyncTaskhandle:Thandle;
buf:hostent;
buf:hostent;
WSAAsyncGetHostByName(Handle,wm_paint,pchar(edit1.Text),@buf,sizeof(buf));
or
WSAAsyncGetHostByName(Handle,wm_paint,pchar(edit1.Text),@buf,MAXGETHOSTSTRUCT);
另外WM_RESOLVED是个什么事件啊?学习一下。