Quellcode

Form1.cs

+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Zylinderberechnung_GUI
+{
+    public partial class Zylinderberechnung : Form
+    {
+        public Zylinderberechnung()
+        {
+            InitializeComponent();
+
+            ToolTip tp = new ToolTip();
+            tp.SetToolTip(btn_ok, "Berechnung ausführen");
+            tp.SetToolTip(btn_clear, "Ein- und Ausgaben löschen");
+            tp.SetToolTip(btn_end, "Programm beenden");
+            tp.SetToolTip(rbtn_grundflaeche, "Zum Berechnen der Zylindergrundfläche anwählen");
+            tp.SetToolTip(rbtn_Umfang, "Zum Berechnen des Zylinderumfangs anwählen");
+            tp.SetToolTip(rbtn_Volumen, "Zum Berechnen des Zylindervolumens anwählen");
+            tp.SetToolTip(rbtn_Mantelflaeche, "Zum Berechnen der Mantelfläche anwählen");
+            tp.SetToolTip(rbtn_Oberflaeche, "Zum Berechnen der Zylindergesamtoberfläche");
+        }
+
+        private void btn_end_Click(object sender, EventArgs e)
+        {
+            Application.Exit();
+        }
+
+        private void btn_clear_Click(object sender, EventArgs e)
+        {
+            rbtn_grundflaeche.Checked = rbtn_Umfang.Checked = rbtn_Mantelflaeche.Checked = rbtn_Volumen.Checked = rbtn_Oberflaeche.Checked = false;
+            lbl_hoehe.Visible = lbl_radius.Visible = false;
+            txt_output.Clear();
+            txt_input_Hoehe.Clear();
+            txt_input_radius.Clear();
+            txt_input_Hoehe.Visible = txt_input_radius.Visible = false;
+        }
+
+        private void btn_ok_Click(object sender, EventArgs e)
+        {
+            if (rbtn_grundflaeche.Checked)
+            {
+
+                double grundflaeche, radius;
+                try
+                {
+                    radius = Convert.ToDouble(txt_input_radius.Text);
+                    grundflaeche = radius * radius * Math.PI;
+                    txt_output.Text = grundflaeche.ToString("F4");
+                }
+
+                catch (Exception Fehler)
+                {
+                    MessageBox.Show(Fehler.Message);
+                    txt_input_radius.Clear();
+                    txt_input_radius.Focus();
+                }
+            }
+
+            if (rbtn_Umfang.Checked)
+            {
+
+                double umfang, radius;
+                try
+                {
+                    radius = Convert.ToDouble(txt_input_radius.Text);
+                    umfang = radius * Math.PI * 2;
+                    txt_output.Text = umfang.ToString("F4");
+                }
+
+                catch (Exception Fehler)
+                {
+                    MessageBox.Show(Fehler.Message);
+                    txt_input_radius.Clear();
+                    txt_input_radius.Focus();
+                }
+            }
+            if (rbtn_Volumen.Checked)
+            {
+
+                double volumen, radius, hoehe;
+                try
+                {
+                    radius = Convert.ToDouble(txt_input_radius.Text);
+                    hoehe = Convert.ToDouble(txt_input_Hoehe.Text);
+                    volumen = radius * radius * Math.PI * hoehe;
+                    txt_output.Text = volumen.ToString("F4");
+                }
+
+                catch (Exception Fehler)
+                {
+                    MessageBox.Show(Fehler.Message);
+                    txt_input_radius.Clear();
+                    txt_input_radius.Focus();
+                }
+            }
+
+            if (rbtn_Mantelflaeche.Checked)
+            {
+
+                double mantelflaeche, radius, hoehe;
+                try
+                {
+                    radius = Convert.ToDouble(txt_input_radius.Text);
+                    hoehe = Convert.ToDouble(txt_input_Hoehe.Text);
+                    mantelflaeche = radius * radius * Math.PI * hoehe;
+                    txt_output.Text = mantelflaeche.ToString("F4");
+                }
+
+                catch (Exception Fehler)
+                {
+                    MessageBox.Show(Fehler.Message);
+                    txt_input_radius.Clear();
+                    txt_input_radius.Focus();
+                }
+            }
+
+            if (rbtn_Oberflaeche.Checked)
+            {
+
+                double oberflaeche, radius, hoehe;
+                try
+                {
+                    radius = Convert.ToDouble(txt_input_radius.Text);
+                    hoehe = Convert.ToDouble(txt_input_Hoehe.Text);
+                    oberflaeche = (2 * Math.PI * Math.Pow(radius, 2)) + (2 * Math.PI * radius * hoehe);
+                    txt_output.Text = oberflaeche.ToString("F4");
+                }
+
+                catch (Exception Fehler)
+                {
+                    MessageBox.Show(Fehler.Message);
+                    txt_input_radius.Clear();
+                    txt_input_radius.Focus();
+                }
+            }
+        }
+
+        private void rbtn_grundflaeche_CheckedChanged(object sender, EventArgs e)
+        {
+            txt_input_radius.Text = txt_input_Hoehe.Text = txt_output.Text = null;
+            lbl_hoehe.Visible = txt_input_Hoehe.Visible = false;
+            lbl_radius.Visible = txt_input_radius.Visible = true;
+            txt_input_radius.Focus();
+        }
+
+        private void rbtn_Umfang_CheckedChanged(object sender, EventArgs e)
+        {
+            txt_input_radius.Text = txt_input_Hoehe.Text = txt_output.Text = null;
+            lbl_hoehe.Visible = txt_input_Hoehe.Visible = false;
+            lbl_radius.Visible = txt_input_radius.Visible = true;
+            txt_input_radius.Focus();
+        }
+
+        private void rbtn_Volumen_CheckedChanged(object sender, EventArgs e)
+        {
+            txt_input_radius.Text = txt_input_Hoehe.Text = txt_output.Text = null;
+            lbl_hoehe.Visible = lbl_radius.Visible = txt_input_Hoehe.Visible = txt_input_radius.Visible = true;
+            txt_input_radius.Focus();
+        }
+
+        private void rbtn_Mantelflaeche_CheckedChanged(object sender, EventArgs e)
+        {
+            txt_input_radius.Text = txt_input_Hoehe.Text = txt_output.Text = null;
+            lbl_hoehe.Visible = lbl_radius.Visible = txt_input_Hoehe.Visible = txt_input_radius.Visible = true;
+            txt_input_radius.Focus();
+        }
+
+        private void rbtn_Oberflaeche_CheckedChanged(object sender, EventArgs e)
+        {
+            txt_input_radius.Text = txt_input_Hoehe.Text = txt_output.Text = null;
+            lbl_hoehe.Visible = lbl_radius.Visible = txt_input_Hoehe.Visible = txt_input_radius.Visible = true;
+            txt_input_radius.Focus();
+        }
+
+        private void Zylinderberechnung_Load(object sender, EventArgs e)
+        {
+
+        }
+    }
+}
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