On Exit On Enter

 
void __fastcall TForm1::Edit1Enter(TObject *Sender)
{
  Edit1->Color = clYellow;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Edit1Exit(TObject *Sender)
{
  Edit1->Color = clWindow;
}




原文地址:https://www.cnblogs.com/xe2011/p/0986fdb5d6663bb444e6c77153ae63d2.html