update to 4.5 net framework and use async wait task, do not block application while doing replace job

Author: CyberMist2

.vs/LFAR/v16/.suo

@@ -7,6 +7,8 @@
 using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
+using System.Threading;
+using System.Threading.Tasks;
 using System.Windows.Forms;
 using System.Xml;
 using System.Xml.Linq;
@@ -185,7 +187,16 @@ private void buttonSelectPathOfFile(object sender, EventArgs e)
             }
         }
 
-        private void buttonDoReplaceJob_Click(object sender, EventArgs e)
+        private async void buttonDoReplaceJob_Click(object sender, EventArgs e)
+        {
+            label1.Text = "Running task, please wait...";
+
+            int replacesCount = await Task.Run(() => DoReplaceJob(3000));
+
+            label1.Text = "Jobs finished: " + replacesCount + " replaces.";
+        }
+
+        private int DoReplaceJob(int sleepTime)
         {
             int replacesCount = 0;
 
@@ -219,11 +230,14 @@ private void buttonDoReplaceJob_Click(object sender, EventArgs e)
                         if (replacesCount > 0)
                             File.WriteAllText(pathOfFile, text);
                     }
-                    label1.Text = "Jobs finished: "+ replacesCount + " replaces.";
                 }
             }
             else
                 MessageBox.Show("Please select a valid file!");
+
+            Thread.Sleep(sleepTime);
+
+            return replacesCount;
         }
     }
 }

.vs/LFAR/v16/Server/sqlite3/storage.ide

@@ -8,7 +8,7 @@
     <OutputType>WinExe</OutputType>
     <RootNamespace>LFAR</RootNamespace>
     <AssemblyName>LFAR</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
     <PublishUrl>publish\</PublishUrl>
@@ -26,6 +26,7 @@
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <UseApplicationTrust>false</UseApplicationTrust>
     <BootstrapperEnabled>true</BootstrapperEnabled>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -36,6 +37,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -45,6 +47,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup>
     <ApplicationIcon>search.ico</ApplicationIcon>
@@ -82,6 +85,7 @@
       <DependentUpon>Resources.resx</DependentUpon>
       <DesignTime>True</DesignTime>
     </Compile>
+    <None Include="app.config" />
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>

LFAR/Form1.Designer.cs

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>