Datenbank ausgelagert, außerhalb des Ordners

Database/Datenbank.cs

@@ -16,7 +16,7 @@ namespace Database
 {
     public class Datenbank
     {
-        public const string pfad = "./";
+        public string pfad;
         public string projekt;
         public static readonly Datenbank instance = new Datenbank();
         public static Datenbank Instance
@@ -27,18 +27,27 @@ namespace Database
             }
         }
 
+        public void Init()
+        {
+            TeufelDB = new KlassenBIB.DB();
+            string filepath = "";
+            filepath = Path.Combine(pfad, "projekte", "TeufelDB.xaml");
+            
+            if(!Directory.Exists(Path.Combine(pfad,"projekte")))
+            {
+                Directory.CreateDirectory(Path.Combine(pfad, "projekte"));
+                return;
+            }
+            if (File.Exists(filepath))
+                TeufelDB = XamlServices.Load(filepath) as KlassenBIB.DB;
+        }
+
         public KlassenBIB.Projekt loadedProjekt = null;
         //public KlassenBIB.MainDataBase MainDatenbank = null;
         public KlassenBIB.DB TeufelDB = null;
 
         public Datenbank()
         {   
-            TeufelDB = new KlassenBIB.DB();
-            string filepath = "";
-            filepath = Path.Combine("./projekte", "TeufelDB.xaml");
-            if(File.Exists(filepath))
-                TeufelDB = XamlServices.Load("./projekte/TeufelDB.xaml") as KlassenBIB.DB;
-            
             
         }
 
@@ -48,7 +57,8 @@ namespace Database
             this.projekt = projekt;
             loadedProjekt = Datenbank.Instance.TeufelDB.Projekte.Find(x => x.Nummer != null && x.Nummer.Equals(projekt));
            
-            if (!File.Exists("./projekte/TeufelDB.xaml"))
+            string filepath = Path.Combine(pfad, "projekte", "TeufelDB.xaml");
+            if (!File.Exists(filepath))
             {
                 UpdateDatabase.UpdateNewGuids();
                 
@@ -72,7 +82,9 @@ namespace Database
 
         public void SaveProjekt()
         {
-            XamlServices.Save("./projekte/TeufelDB.xaml", TeufelDB);
+            string filepath = Path.Combine(pfad, "projekte", "TeufelDB.xaml");
+            Trace.WriteLine(filepath);
+            XamlServices.Save(filepath, TeufelDB);
         }
     }
 }

SanSystem/App.config

@@ -1,5 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
+    <configSections>
+        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+            <section name="SanSystem.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
+        </sectionGroup>
+    </configSections>
     <startup> 
         <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
     </startup>
@@ -19,4 +24,11 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
+  <userSettings>
+    <SanSystem.Properties.Settings>
+      <setting name="DATABASEMAIN" serializeAs="String">
+        <value>C:\</value>
+      </setting>
+    </SanSystem.Properties.Settings>
+  </userSettings>
 </configuration>

SanSystem/Global.cs

@@ -75,7 +75,7 @@ namespace SanSystem
         {
             get
             {
-                return Path.Combine(speicherpfad_to_projekts, projektpfad);
+                return Path.Combine(Properties.Settings.Default.DATABASEMAIN,speicherpfad_to_projekts, projektpfad);
             }
         }
         public ILanguage language = null;

SanSystem/Properties/Settings.Designer.cs

@@ -22,5 +22,17 @@ namespace SanSystem.Properties {
                 return defaultInstance;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("C:\\")]
+        public string DATABASEMAIN {
+            get {
+                return ((string)(this["DATABASEMAIN"]));
+            }
+            set {
+                this["DATABASEMAIN"] = value;
+            }
+        }
     }
 }

SanSystem/Properties/Settings.settings

@@ -1,7 +1,9 @@
 <?xml version='1.0' encoding='utf-8'?>
-<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)">
-  <Profiles>
-    <Profile Name="(Default)" />
-  </Profiles>
-  <Settings />
+<SettingsFile xmlns="http://schemas.microsoft.com/VisualStudio/2004/01/settings" CurrentProfile="(Default)" GeneratedClassNamespace="SanSystem.Properties" GeneratedClassName="Settings">
+  <Profiles />
+  <Settings>
+    <Setting Name="DATABASEMAIN" Type="System.String" Scope="User">
+      <Value Profile="(Default)">C:\</Value>
+    </Setting>
+  </Settings>
 </SettingsFile>

SanSystem/frmMain.cs

@@ -30,8 +30,11 @@ namespace SanSystem
         public frmMain()
         {
             InitializeComponent();
+            string sx = Properties.Settings.Default.DATABASEMAIN;
             
             
+            Datenbank.Instance.pfad = sx;
+            Datenbank.Instance.Init();
             if (!Directory.Exists(Global.Instance.Projektpfad)) Directory.CreateDirectory(Global.Instance.Projektpfad);
             try
             {