TODO int overflow fix

20240311/WindowsFormsApp1/Form1.cs

@@ -14,7 +14,6 @@ namespace WindowsFormsApp1
     {
         DateTime start = new DateTime();
         DateTime stop = new DateTime();
-        TimeSpan duration = new TimeSpan();
         TimeSpan currSpan = new TimeSpan();
         public Form1()
         {
@@ -31,29 +30,37 @@ namespace WindowsFormsApp1
             start = DateTime.Now;
             timer1.Enabled = true;
             button1.Enabled = false;
-
-            timer2.Start();
         }
 
         private void button2_Click(object sender, EventArgs e)
         {
             stop = DateTime.Now;
-            duration = stop - start;
 
 
             timer1.Enabled = false;
             button1.Enabled = true;
 
-            timer2.Stop();
-
-            //Data.lasttime = currSpan.ToString();
-            Data.data.Add(currSpan.ToString());
-            label2.Text = "";
+            
+            string formatted_time = $"{currSpan.ToString("mm")}:{currSpan.ToString("ss")}:{currSpan.ToString("fff")}";
+            if (Data.data.Count > 0)
+            {
+                if (Data.data[Data.data.Count - 1] != formatted_time)
+                {
+                    Data.data.Add(formatted_time);
+                }
+            }
+            else
+            {
+                Data.data.Add(formatted_time);
+            }
+            
+            
+            label1.Text = "";
             foreach (var item in Data.data)
             {
-                label2.Text += $"{item}\n";
+                label1.Text += $"{item}\n";
             }
-            //label2.Text = Data.lasttime;
+            
         }
 
         private void label1_Click(object sender, EventArgs e)
@@ -62,26 +69,22 @@ namespace WindowsFormsApp1
         }
 
         private void textBox1_TextChanged(object sender, EventArgs e)
-        {
-            textBox1.Text = DateTime.Now.ToString("HH:mm:ss:fff");
-        }
-
-        private void textBox2_TextChanged(object sender, EventArgs e)
         {
             
         }
 
+
         private void timer2_Tick(object sender, EventArgs e)
         {
             currSpan = DateTime.Now - start;
-            textBox2.Text = currSpan.ToString();
+            textBox1.Text = currSpan.ToString();
         }
 
         public void InitTimer()
         {
             timer1 = new Timer();
             timer1.Tick += new EventHandler(timer2_Tick);
-            timer1.Interval = 10; // in miliseconds
+            timer1.Interval = 1; // in miliseconds
             
         }
 
@@ -92,8 +95,6 @@ namespace WindowsFormsApp1
 
         public static class Data
         {
-            public static string lasttime = "";
-
             public static List<string> data = new List<string>();
         }
     }