private: System::Void cmdJoke1_Click(System::Object^  sender, System::EventArgs^  e) {

				 time = 5;
				 tmrJoke->Enabled = true;
				 txtJoke->Text = "ABC";


				  //end
			 }
	private: System::Void tmrJoke_Tick(System::Object^  sender, System::EventArgs^  e) {

				 time --;
				 if ((time == 0) && (txtJoke->Text = "ABC"))
					 txtJoke->Text = "abc";

				 //end
			 }
	};
}