First window problem

[lnesiak]

private: System::Void button1_Click(System::Object^  sender, System::EventArgs^  e) {		 
			 num1 = atoi(this->textBox1->Text);
			 num2 = atoi(this->textBox2->Text);
			 total=num1+num2;
		 }

This is an example with atoi ...