Add asterisk to title bar when a file has unsaved changes, and add exit confirmation dialog when a file has unsaved changes

Author: Zachary-Rude

Text Editor Setup/Text Editor Setup-SetupFiles/Text_Editor_1_0_8_Setup.msi

@@ -11,10 +11,10 @@
     <ROW Property="ARPCOMMENTS" Value="This installer database contains the logic and data required to install [|ProductName]." ValueLocId="*"/>
     <ROW Property="ARPPRODUCTICON" Value="icon72.exe" Type="8"/>
     <ROW Property="Manufacturer" Value="Zach, Inc."/>
-    <ROW Property="ProductCode" Value="1033:{A2B61194-F215-4E18-9319-7DDBEB6B07B9} " Type="16"/>
+    <ROW Property="ProductCode" Value="1033:{D01CB925-8853-458C-898A-1BBDA4315485} " Type="16"/>
     <ROW Property="ProductLanguage" Value="1033"/>
     <ROW Property="ProductName" Value="Text Editor"/>
-    <ROW Property="ProductVersion" Value="1.0.7" Type="32"/>
+    <ROW Property="ProductVersion" Value="1.0.8" Type="32"/>
     <ROW Property="SecureCustomProperties" Value="OLDPRODUCTS;AI_NEWERPRODUCTFOUND"/>
     <ROW Property="UpgradeCode" Value="{6F659083-3442-43A7-8DA3-D7192D778487}"/>
     <ROW Property="WindowsType9X" MultiBuildValue="DefaultBuild:Windows 9x/ME" ValueLocId="-"/>
@@ -57,7 +57,7 @@
     <ROW BootstrOptKey="GlobalOptions" DownloadFolder="[AppDataFolder][|Manufacturer]\[|ProductName]\prerequisites" Options="2"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.BuildComponent">
-    <ROW BuildKey="DefaultBuild" BuildName="DefaultBuild" BuildOrder="1" BuildType="0" PackageFileName="Text_Editor_1_0_7_Setup" Languages="en" InstallationType="4" UseLargeSchema="true"/>
+    <ROW BuildKey="DefaultBuild" BuildName="DefaultBuild" BuildOrder="1" BuildType="0" PackageFileName="Text_Editor_1_0_8_Setup" Languages="en" InstallationType="4" UseLargeSchema="true"/>
   </COMPONENT>
   <COMPONENT cid="caphyon.advinst.msicomp.DictionaryComponent">
     <ROW Path="&lt;AI_DICTS&gt;ui.ail"/>

Text Editor Setup/Text Editor Setup-cache/cacheIndex.txt

@@ -54,6 +54,7 @@ private void menuItem4_Click(object sender, EventArgs e)
                             path = ofd.FileName;
                             Task<string> text = sr.ReadToEndAsync();
                             mainEditor.Text = text.Result;
+                            this.Text = this.Text.Replace("*", "");
                         }
                     }
                     catch (Exception ex)
@@ -95,6 +96,7 @@ private async void menuItem5_Click(object sender, EventArgs e)
                     using (StreamWriter sw = new StreamWriter(path))
                     {
                         await sw.WriteLineAsync(mainEditor.Text);//Write data to text file
+                        this.Text = this.Text.Replace("*", "");
                     }
                 }
                 catch (Exception ex)
@@ -210,5 +212,34 @@ private void menuItem27_Click(object sender, EventArgs e)
             string strWorkPath = Path.GetDirectoryName(strExeFilePath);
             Help.ShowHelp(this, Path.Combine(strWorkPath, "textedit-help.chm"));
         }
+
+        private void mainEditor_TextChanged(object sender, EventArgs e)
+        {
+            if (!this.Text.Contains("*"))
+            {
+                this.Text = "*" + this.Text;
+            }
+        }
+
+        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
+        {
+            if (this.Text.Contains("*"))
+            {
+
+                switch (e.CloseReason)
+                {
+                    case CloseReason.UserClosing:
+                        if (MessageBox.Show("Your file has unsaved changes. Are you sure you want to exit?",
+                                            "Unsaved changes",
+                                            MessageBoxButtons.YesNo,
+                                            MessageBoxIcon.Question) == DialogResult.No)
+                        {
+                            e.Cancel = true;
+                            this.menuItem5.PerformClick();
+                        }
+                        break;
+                }
+            }
+        }
     }
 }