function ThreadFunc(P:Pointer):LongInt;stdcall;var i:Integer; dc:HDC; s:string;begin dc := GetDC(Form2.Handle); for i := 0 to 10000 do begin s := IntToStr(i); TextOut(dc,10,PChar(s),Length(s)); end; ReleaseDC(Form2.Handle,dc);end;procedure TForm2.btn1Click(Sender: TObject);var hthread:THandle; ThreadId:DWORD;begin hthread := CreateThread(nil,@ThreadFunc,//函数地址 nil,ThreadId ); if ThreadId = 0 then MessageBox(Handle,'NO thread',nil,MB_OK);end;procedure TForm2.btn2Click(Sender: TObject);begin ThreadFunc(nil);end;
