private void btndivide_Click(object sender, EventArgs e)
{
if (validateinput())
{
int divide = mycalculator.divide((int)nmb1.Value, (int)nmb2.Value);
MessageBox.Show("int divide:" + divide);
}
}
private void btndivide_Click(object sender, EventArgs e)
{
int divide = calculator.divide((int)txtnumber1.Value, (int)txtnumber2.Value);
MessageBox.Show("int divide:" + divide);
}
