private void btnParse_Click(object sender, EventArgs e)
{
try
{
string v = tbxFormula.Text;
if (rbtnPrefix.Checked)
{
if (v != "")
{
tree = tree.Create(v);
lblFunction.Text = tree.Read();
}
else
{
MessageBox.Show("Please, write a valid formula!");
}
}
else
{
MessageBox.Show("Please, select the radio button!");
}
}
catch (MyException m)
{
MessageBox.Show(m.Message);
}
}
private void btnBinaryDerivative_Click(object sender, EventArgs e)
{
string v = tbxFormula.Text;
if (rbtnPrefix.Checked)
{
if (v != "")
{
treeDerN = treeDerN.Create(v);
treeDerN.DrawBinaryTreeDerivative();
dot.StartInfo.FileName = "dot.exe";
dot.StartInfo.Arguments = "dot -Tpng -oabc.png abc.dot";
dot.Start();
dot.WaitForExit();
pictureBox1.ImageLocation = "abc.png";
tabControl1.SelectedIndex = 1;
}
else
{
MessageBox.Show("Please, write a valid formula!");
}
}
else
{
MessageBox.Show("Please, select the radio button!");
}
}
private void btnIntegral_Click(object sender, EventArgs e)
{
string v = tbxFormula.Text;
string lower = tbxLowerBoundary.Text;
string higher = tbxHigherBoundary.Text;
if (rbtnPrefix.Checked)
{
if (v != "" && lower != "" && higher != "")
{
if (tree.root != null)
{
tabControl1.SelectedIndex = 0;
draw.DrawFunction(tree);
treeI = treeI.Create(v);
try
{
double low = Convert.ToDouble(lower);
double high = Convert.ToDouble(higher);
if (high > low)
{
lblIntegral.Text = "";
lblIntegral.Text = "Riemann's Integral is " + Math.Round(draw.Intergral(tree, high, low), 4).ToString();
}
else
{
MessageBox.Show("Please, write low and high boundaries correctly!");
}
}
catch (InvalidCastException)
{
MessageBox.Show("Please, write a number!");
}
}
else
{
MessageBox.Show("Please, draw a function first!");
}
}
else
{
MessageBox.Show("Please, write a valid formula!");
}
}
else
{
MessageBox.Show("Please, select the radio button!");
}
}