// thao tac click nut 2
private void SecondButton_Click(object sender, EventArgs e)
{
y.Real = Int32.Parse(RealTextBox.Text);
y.Imaginary = Int32.Parse(ImaginaryTextBox.Text);
RealTextBox.Clear();
ImaginaryTextBox.Clear();
NoticeLabel.Text = "Second Complex Number is..." + y.toString();
}
// thao tac click nut 1
private void FirstButton_Click(object sender, EventArgs e)
{
x.Real = Int32.Parse(RealTextBox.Text);
x.Imaginary = Int32.Parse(ImaginaryTextBox.Text);
RealTextBox.Clear();
ImaginaryTextBox.Clear();
NoticeLabel.Text = "First Complex Number is..." + x.toString();
}