Target the .net 3.5 (Present on windows 7)

vCardEditor/Model/Contact.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 using Thought.vCards;
 
 namespace VCFEditor.Model

vCardEditor/Presenter/MainPresenter.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 using Thought.vCards;
 using VCFEditor.Model;
 using VCFEditor.View;

vCardEditor/Properties/Settings.Designer.cs

@@ -1,28 +1,24 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
-//     This code was generated by a tool.
-//     Runtime Version:4.0.30319.34209
+//     Ce code a été généré par un outil.
+//     Version du runtime :4.0.30319.34209
 //
-//     Changes to this file may cause incorrect behavior and will be lost if
-//     the code is regenerated.
+//     Les modifications apportées à ce fichier peuvent provoquer un comportement incorrect et seront perdues si
+//     le code est régénéré.
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-namespace vCardEditor.Properties
-{
-
-
+namespace vCardEditor.Properties {
+    
+    
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "10.0.0.0")]
-    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase
-    {
-
+    internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
+        
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
-
-        public static Settings Default
-        {
-            get
-            {
+        
+        public static Settings Default {
+            get {
                 return defaultInstance;
             }
         }

vCardEditor/Repository/ContactRepository.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 using Thought.vCards;
 using VCFEditor.Model;
 using System.ComponentModel;
@@ -69,7 +68,7 @@ namespace VCFEditor.Repository
                     contact.card = ParseRawContent(RawContent);
                     Contacts.Add(contact);
                     contact = new Contact();
-                    RawContent.Clear();
+                    RawContent.Length = 0;
                 }
               
             }

vCardEditor/Repository/IContactRepository.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 using Thought.vCards;
 using VCFEditor.Model;
 using System.ComponentModel;

vCardEditor/View/EventArgs.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 
 namespace VCFEditor.View
 {

vCardEditor/View/IMainView.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using System.Threading.Tasks;
 using Thought.vCards;
 using VCFEditor.Model;
 using System.ComponentModel;

vCardEditor/vCardEditor.csproj

@@ -10,8 +10,9 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>vCardEditor</RootNamespace>
     <AssemblyName>vCardEditor</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
-    <TargetFrameworkProfile>Client</TargetFrameworkProfile>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkProfile>
+    </TargetFrameworkProfile>
     <FileAlignment>512</FileAlignment>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">