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!"); } }