private void TxtBox_SideB_TextChanged(object sender, EventArgs e)
{
validateInput(TxtBox_SideB, ref isValidSideB, ref sideB);
/* check if error message needs to be outputed
*/
if (!isValidSideB && TxtBox_SideB.Text != "")
{
//output error message
Lbl_ErrorMessage_SideB.Text = MESSAGE;
Lbl_ErrorMessage_SideB.ForeColor = Color.Red;
Lbl_ErrorMessage_SideB.Show();
Lbl_OutputText.Hide();
}
else if (isValidSideA && isValidSideB && isValidSideC)
{
//get message from triangle
Lbl_OutputText.Text = DetermineTriangle();
//display the message
Lbl_OutputText.Show();
Lbl_ErrorMessage_SideB.Hide();
}
else
{
Lbl_ErrorMessage_SideB.Hide();
}
}
private void Form1_Load(object sender, EventArgs e)
{
Lbl_ErrorMessage_SideA.Hide();
Lbl_ErrorMessage_SideB.Hide();
Lbl_ErrorMessage_SideC.Hide();
Lbl_OutputText.Hide();
}