private void RectangleCalculateButton_Click(object sender, RoutedEventArgs e)
{
if (Judge.IsNumber(Side1Textbox.Text) && Judge.IsNumber(Side2Textbox.Text) && Judge.IsNumber(Side3Textbox.Text))
{
double data1 = Convert.ToDouble(Side1Textbox.Text);
double data2 = Convert.ToDouble(Side2Textbox.Text);
double data3 = Convert.ToDouble(Side3Textbox.Text);
if ((data1 + data2 > data3) && (data1 + data3 > data2) && (data2 + data3 > data1))
{
TriangleCalculate MyTriangleCalculate = new TriangleCalculate();
TriangleAreaTextbox.Text = MyTriangleCalculate.CalculateArea(unit, data1, data2, data3);
}
else
{
Warning.Sound();
MessageBox.Show("This is not a triangle!");
}
}
else
{
Warning.Sound();
MessageBox.Show("The things you input must be numbers!");
}
}