Added Timer Offset

iRacing is about 30 seconds behind real time, the offset helps you stay
closer to iRacing's race start times.

OBS_Timer/Form1.cs

@@ -21,14 +21,13 @@ public partial class OBS_Timer : Form
 
         private String _textFilePath = System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\obs_timer_text.txt";
 
-
         public OBS_Timer()
         {
             InitializeComponent();
-            Debug.WriteLine(_textFilePath);
             writeMessageFile("");
             addButtonEvents();
             setOutputText();
+            initCountdownOffsetScroller();
         }
 
         private void timerClock_Tick(object sender, EventArgs e)
@@ -44,12 +43,12 @@ private void addButtonEvents()
         {
             iterateButtons((button) =>
             {
-                button.Click += new EventHandler(setCountdown);
+                button.Click += new EventHandler(setCountdownText);
             }
             );
         }
 
-        private void setCountdown(object button_object, EventArgs args)
+        private void setCountdownText(object button_object, EventArgs args)
         {
             _countdownTime = futureTime((Button)button_object);
             this.btnStop.Enabled = true;
@@ -70,6 +69,8 @@ private void updateCountdown()
 
                 if (countDown > _zeroTime)
                 {
+                    int countdownOffsetSeconds = readCountdownOffsetSeconds();
+                    countDown = countDown.Add(new TimeSpan(0, 0, countdownOffsetSeconds)); 
                     countdownText = countDown.ToString(@"hh\:mm\:ss");
                     writeMessageFile(countdownText);
                 }
@@ -172,7 +173,40 @@ private void btnStop_Click(object sender, EventArgs e)
             stopCountdown();
         }
 
+        private void initCountdownOffsetScroller()
+        {
+            this.scrollCountOffset.Value = readCountdownOffsetSeconds() / 15;
+            setCountdownOffsetSecondsText();
+        }
+
+        private void scrollCountdownOffset_Scroll(object sender, ScrollEventArgs e)
+        {
+            int seconds = e.NewValue * 15;
+            updateCountdownOffsetSeconds(seconds);
+
+        }
+
+        private void updateCountdownOffsetSeconds(int seconds)
+        {
+            saveCountdownOffsetSeconds(seconds);
+            setCountdownOffsetSecondsText();
+        }
+
+        private int readCountdownOffsetSeconds()
+        {
+            return (int)Properties.Settings.Default.CountdownOffsetSeconds;
+        }
 
+        private void saveCountdownOffsetSeconds(int seconds)
+        {
+            Properties.Settings.Default["CountdownOffsetSeconds"] = seconds;
+            Properties.Settings.Default.Save();
+        }
+
+        private void setCountdownOffsetSecondsText()
+        {
+            this.lblCountOffset.Text = readCountdownOffsetSeconds().ToString();
+        }
 
     }
 }

OBS_Timer/Properties/Settings.settings

@@ -5,5 +5,8 @@
     <Setting Name="TimerMessage" Type="System.String" Scope="User">
       <Value Profile="(Default)">Countdown:</Value>
     </Setting>
+    <Setting Name="CountdownOffsetSeconds" Type="System.Int32" Scope="User">
+      <Value Profile="(Default)">0</Value>
+    </Setting>
   </Settings>
 </SettingsFile>

OBS_Timer/app.config

@@ -10,6 +10,9 @@
             <setting name="TimerMessage" serializeAs="String">
                 <value>Countdown:</value>
             </setting>
+            <setting name="CountdownOffsetSeconds" serializeAs="String">
+                <value>0</value>
+            </setting>
         </OBS_Timer.Properties.Settings>
     </userSettings>
 </configuration>