Delphi代码怎么转成C++Builder代码？

1，窗体的建立事件
2，Edit的按键事件
//---------------------------------------------------------------------------
void __fastcall TForm1::FormCreate(TObject *Sender)
{
int x,y,z;
randomize();
x = random(50);
y = random(50);
z = random(2);
if (z==1)
Label1->Caption =IntToStr(x);
Label3->Caption =IntToStr(y);
if (z == 1)
Label2->Caption = "+";
else
Label2->Caption = "-";
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Edit1KeyPress(TObject *Sender, char &Key)
{
int answer;
if (Key == VK_RETURN)
{
if (Label2->Caption =="+")
answer = StrToInt(Label1->Caption)+StrToInt(Label3->Caption);
else
answer = StrToInt(Label1->Caption)-StrToInt(Label3->Caption);
if (answer == StrToInt(Edit1->Text))
{
ShowMessage("回答正确");
Button1->SetFocus() ;
}
else
{
ShowMessage("回答错误");
Edit1->SetFocus() ;
}
Edit1->SelectAll() ;
}
}