diff --git a/ZeitDifferenz.Designer.cs b/ZeitDifferenz.Designer.cs
new file mode 100644
index 0000000..024dde2
--- /dev/null
+++ b/ZeitDifferenz.Designer.cs
@@ -0,0 +1,256 @@
+using System.Windows.Forms;
+
+namespace B_GOP01XX_XX2_K03_Aufgabe_5_P_Ostmann
+{
+    partial class Form1
+    {
+        /// <summary>
+        /// Erforderliche Designervariable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Verwendete Ressourcen bereinigen.
+        /// </summary>
+        /// <param name="disposing">True, wenn verwaltete Ressourcen gelöscht werden sollen; andernfalls False.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Vom Windows Form-Designer generierter Code
+
+        /// <summary>
+        /// Erforderliche Methode für die Designerunterstützung.
+        /// Der Inhalt der Methode darf nicht mit dem Code-Editor geändert werden.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.label1 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.label3 = new System.Windows.Forms.Label();
+            this.t1_stunden = new System.Windows.Forms.TextBox();
+            this.t1_minuten = new System.Windows.Forms.TextBox();
+            this.t1_sekunden = new System.Windows.Forms.TextBox();
+            this.t2_stunden = new System.Windows.Forms.TextBox();
+            this.t2_minuten = new System.Windows.Forms.TextBox();
+            this.t2_sekunden = new System.Windows.Forms.TextBox();
+            this.differenz_stunden = new System.Windows.Forms.TextBox();
+            this.differenz_minuten = new System.Windows.Forms.TextBox();
+            this.differenz_sekunden = new System.Windows.Forms.TextBox();
+            this.button1 = new System.Windows.Forms.Button();
+            this.button2 = new System.Windows.Forms.Button();
+            this.label4 = new System.Windows.Forms.Label();
+            this.label5 = new System.Windows.Forms.Label();
+            this.label6 = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.label1.Location = new System.Drawing.Point(23, 29);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(84, 13);
+            this.label1.TabIndex = 0;
+            this.label1.Text = "Zeitpunkt T1:";
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.label2.Location = new System.Drawing.Point(23, 89);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(84, 13);
+            this.label2.TabIndex = 1;
+            this.label2.Text = "Zeitpunkt T2:";
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.label3.Location = new System.Drawing.Point(23, 169);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(96, 13);
+            this.label3.TabIndex = 2;
+            this.label3.Text = "Differenz T2-T1";
+            // 
+            // t1_stunden
+            // 
+            this.t1_stunden.Location = new System.Drawing.Point(169, 26);
+            this.t1_stunden.Name = "t1_stunden";
+            this.t1_stunden.Size = new System.Drawing.Size(59, 20);
+            this.t1_stunden.TabIndex = 3;
+            this.t1_stunden.TextChanged += new System.EventHandler(this.t1_stunden_TextChanged);
+            // 
+            // t1_minuten
+            // 
+            this.t1_minuten.Location = new System.Drawing.Point(234, 26);
+            this.t1_minuten.Name = "t1_minuten";
+            this.t1_minuten.Size = new System.Drawing.Size(59, 20);
+            this.t1_minuten.TabIndex = 4;
+            this.t1_minuten.TextChanged += new System.EventHandler(this.t1_minuten_TextChanged);
+            // 
+            // t1_sekunden
+            // 
+            this.t1_sekunden.Location = new System.Drawing.Point(299, 26);
+            this.t1_sekunden.Name = "t1_sekunden";
+            this.t1_sekunden.Size = new System.Drawing.Size(60, 20);
+            this.t1_sekunden.TabIndex = 5;
+            this.t1_sekunden.TextChanged += new System.EventHandler(this.t1_sekunden_TextChanged);
+            // 
+            // t2_stunden
+            // 
+            this.t2_stunden.Location = new System.Drawing.Point(169, 86);
+            this.t2_stunden.Name = "t2_stunden";
+            this.t2_stunden.Size = new System.Drawing.Size(59, 20);
+            this.t2_stunden.TabIndex = 6;
+            this.t2_stunden.TextChanged += new System.EventHandler(this.t2_stunden_TextChanged);
+            // 
+            // t2_minuten
+            // 
+            this.t2_minuten.Location = new System.Drawing.Point(234, 86);
+            this.t2_minuten.Name = "t2_minuten";
+            this.t2_minuten.Size = new System.Drawing.Size(59, 20);
+            this.t2_minuten.TabIndex = 7;
+            this.t2_minuten.TextChanged += new System.EventHandler(this.t2_minuten_TextChanged);
+            // 
+            // t2_sekunden
+            // 
+            this.t2_sekunden.Location = new System.Drawing.Point(299, 86);
+            this.t2_sekunden.Name = "t2_sekunden";
+            this.t2_sekunden.Size = new System.Drawing.Size(60, 20);
+            this.t2_sekunden.TabIndex = 8;
+            this.t2_sekunden.TextChanged += new System.EventHandler(this.t2_sekunden_TextChanged);
+            // 
+            // differenz_stunden
+            // 
+            this.differenz_stunden.Location = new System.Drawing.Point(169, 166);
+            this.differenz_stunden.Name = "differenz_stunden";
+            this.differenz_stunden.ReadOnly = true;
+            this.differenz_stunden.Size = new System.Drawing.Size(59, 20);
+            this.differenz_stunden.TabIndex = 9;
+            // 
+            // differenz_minuten
+            // 
+            this.differenz_minuten.Location = new System.Drawing.Point(234, 166);
+            this.differenz_minuten.Name = "differenz_minuten";
+            this.differenz_minuten.ReadOnly = true;
+            this.differenz_minuten.Size = new System.Drawing.Size(59, 20);
+            this.differenz_minuten.TabIndex = 10;
+            // 
+            // differenz_sekunden
+            // 
+            this.differenz_sekunden.Location = new System.Drawing.Point(299, 166);
+            this.differenz_sekunden.Name = "differenz_sekunden";
+            this.differenz_sekunden.ReadOnly = true;
+            this.differenz_sekunden.Size = new System.Drawing.Size(60, 20);
+            this.differenz_sekunden.TabIndex = 11;
+            // 
+            // button1
+            // 
+            this.button1.Location = new System.Drawing.Point(390, 23);
+            this.button1.Name = "button1";
+            this.button1.Size = new System.Drawing.Size(75, 23);
+            this.button1.TabIndex = 12;
+            this.button1.Text = "Berechnen";
+            this.button1.UseVisualStyleBackColor = true;
+            this.button1.Click += new System.EventHandler(this.button1_Click);
+            // 
+            // button2
+            // 
+            this.button2.Location = new System.Drawing.Point(390, 166);
+            this.button2.Name = "button2";
+            this.button2.Size = new System.Drawing.Size(75, 23);
+            this.button2.TabIndex = 13;
+            this.button2.Text = "Löschen";
+            this.button2.UseVisualStyleBackColor = true;
+            // 
+            // label4
+            // 
+            this.label4.AutoSize = true;
+            this.label4.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.label4.Location = new System.Drawing.Point(188, 9);
+            this.label4.Name = "label4";
+            this.label4.Size = new System.Drawing.Size(14, 13);
+            this.label4.TabIndex = 14;
+            this.label4.Text = "h";
+            // 
+            // label5
+            // 
+            this.label5.AutoSize = true;
+            this.label5.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.label5.Location = new System.Drawing.Point(258, 9);
+            this.label5.Name = "label5";
+            this.label5.Size = new System.Drawing.Size(16, 13);
+            this.label5.TabIndex = 15;
+            this.label5.Text = "m";
+            // 
+            // label6
+            // 
+            this.label6.AutoSize = true;
+            this.label6.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.label6.Location = new System.Drawing.Point(326, 9);
+            this.label6.Name = "label6";
+            this.label6.Size = new System.Drawing.Size(13, 13);
+            this.label6.TabIndex = 16;
+            this.label6.Text = "s";
+            // 
+            // Form1
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.BackColor = System.Drawing.SystemColors.ButtonFace;
+            this.ClientSize = new System.Drawing.Size(505, 223);
+            this.Controls.Add(this.label6);
+            this.Controls.Add(this.label5);
+            this.Controls.Add(this.label4);
+            this.Controls.Add(this.button2);
+            this.Controls.Add(this.button1);
+            this.Controls.Add(this.differenz_sekunden);
+            this.Controls.Add(this.differenz_minuten);
+            this.Controls.Add(this.differenz_stunden);
+            this.Controls.Add(this.t2_sekunden);
+            this.Controls.Add(this.t2_minuten);
+            this.Controls.Add(this.t2_stunden);
+            this.Controls.Add(this.t1_sekunden);
+            this.Controls.Add(this.t1_minuten);
+            this.Controls.Add(this.t1_stunden);
+            this.Controls.Add(this.label3);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.label1);
+            this.Name = "Form1";
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
+            this.Text = "Zeitdifferenz";
+            this.Load += new System.EventHandler(this.Form1_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label label1;
+        private Label label2;
+        private Label label3;
+        private TextBox t1_minuten;
+        private TextBox t1_sekunden;
+        private TextBox t2_stunden;
+        private TextBox t2_minuten;
+        private TextBox t2_sekunden;
+        private TextBox differenz_stunden;
+        private TextBox differenz_minuten;
+        private TextBox differenz_sekunden;
+        private Button button1;
+        private Button button2;
+        private Label label4;
+        private Label label5;
+        private Label label6;
+        public TextBox t1_stunden;
+    }
+}
+