New .NET Core Sample project added.

FolderBrowserEx.sln

@@ -11,6 +11,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "NetFrameworkSample", "Sampl
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MVVMBase", "Samples\MVVMBase\MVVMBase.csproj", "{5412C5E7-9EE7-46B6-BA5D-D486F5A3D220}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NetCoreSample", "Samples\NetCoreSample\NetCoreSample.csproj", "{213DD845-38A7-43D5-9C26-48798DBAC52B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -29,13 +31,18 @@ Global
 		{5412C5E7-9EE7-46B6-BA5D-D486F5A3D220}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5412C5E7-9EE7-46B6-BA5D-D486F5A3D220}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5412C5E7-9EE7-46B6-BA5D-D486F5A3D220}.Release|Any CPU.Build.0 = Release|Any CPU
+		{213DD845-38A7-43D5-9C26-48798DBAC52B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{213DD845-38A7-43D5-9C26-48798DBAC52B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{213DD845-38A7-43D5-9C26-48798DBAC52B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{213DD845-38A7-43D5-9C26-48798DBAC52B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{F722360B-B9B7-4032-AAC9-6F48C2DFD7B5} = {9F6CCACF-0F70-4A65-A691-EF3DBA504C66}
 		{5412C5E7-9EE7-46B6-BA5D-D486F5A3D220} = {9F6CCACF-0F70-4A65-A691-EF3DBA504C66}
+		{213DD845-38A7-43D5-9C26-48798DBAC52B} = {9F6CCACF-0F70-4A65-A691-EF3DBA504C66}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {5E30DE11-0284-497F-B151-6F08D3A0F46E}

Samples/NetCoreSample/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="NetCoreSample.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:NetCoreSample"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

Samples/NetCoreSample/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace NetCoreSample
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

Samples/NetCoreSample/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]

Samples/NetCoreSample/MainWindow.xaml

@@ -0,0 +1,21 @@
+<Window x:Class="NetCoreSample.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:NetCoreSample"
+        mc:Ignorable="d"
+        Title="FolderBrowserEx Sample with .NET Core" Height="450" Width="800">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="100" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <Button Content="Show Folder Browser"
+                Command="{Binding ShowFolderBrowserCommand}"
+                Margin="10" />
+        <TextBox Text="{Binding Result}"
+                 Grid.Row="1"
+                 Margin="10" />
+    </Grid>
+</Window>

Samples/NetCoreSample/MainWindow.xaml.cs

@@ -0,0 +1,17 @@
+using FolderBrowserEx;
+using System.Windows;
+
+namespace NetCoreSample
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+            DataContext = new MainWindowViewModel(new FolderBrowserDialog());
+        }
+    }
+}

Samples/NetCoreSample/MainWindowViewModel.cs

@@ -0,0 +1,42 @@
+using FolderBrowserEx;
+using MVVMBase;
+using System.Windows.Forms;
+using System.Windows.Input;
+
+namespace NetCoreSample
+{
+    public class MainWindowViewModel : ViewModelBase
+    {
+        private readonly IFolderBrowserDialog _folderBrowserDialog;
+        private string _result;
+
+        public MainWindowViewModel(IFolderBrowserDialog folderBrowserDialog)
+        {
+            _folderBrowserDialog = folderBrowserDialog;
+            ShowFolderBrowserCommand = new Command(ShowFolderBrowserCommandExecute, ShowFolderBrowserCommandCanExecute);
+        }
+
+        public ICommand ShowFolderBrowserCommand { get; private set; }
+
+        public string Result
+        {
+            get { return _result; }
+            set { _result = value; OnPropertyChanged(); }
+        }
+
+        private bool ShowFolderBrowserCommandCanExecute()
+        {
+            return true;
+        }
+
+        private void ShowFolderBrowserCommandExecute()
+        {
+            _folderBrowserDialog.Title = "Select a folder";
+            _folderBrowserDialog.InitialFolder = @"C:\";
+            if (_folderBrowserDialog.ShowDialog() == DialogResult.OK)
+            {
+                Result += $"{_folderBrowserDialog.SelectedFolder}\n";
+            }
+        }
+    }
+}

Samples/NetCoreSample/NetCoreSample.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\FolderBrowserEx\FolderBrowserEx.csproj" />
+    <ProjectReference Include="..\MVVMBase\MVVMBase.csproj" />
+  </ItemGroup>
+
+</Project>

Samples/NetFrameworkSample/MainWindow.xaml

@@ -12,7 +12,7 @@
             <RowDefinition Height="*" />
         </Grid.RowDefinitions>
         <Button Content="Show Folder Browser"
-                Command="{Binding ShowFolderBrowserCommand}" 
+                Command="{Binding ShowFolderBrowserCommand}"
                 Margin="10"/>
         <TextBox Text="{Binding Result}"
                  Grid.Row="1"