address book using mvvm

PacticeSolution/AddressBook_MVVMSampleV2/ViewModel/AddViewModel.cs

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+using AddressBook_MVVMSampleV2.Interface;
+using AddressBook_MVVMSampleV2.Model;
+using ReactiveUI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reactive;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+
+namespace AddressBook_MVVMSampleV2.ViewModel
+{
+    public class AddViewModel : ReactiveObject
+    {
+        public enum ViewType
+        {
+            Add,
+            Modify
+        }
+
+        public Person PersonData { get; set; }
+
+        public ICommand OkCommand { get; private set; }
+        public ICommand CancelCommand { get; private set; }
+
+        public AddViewModel() : this(null, ViewType.Add)
+        {
+            
+        }
+
+        public AddViewModel(Person data = null, ViewType type = ViewType.Add)
+        {
+            if (type == ViewType.Modify)
+                this.Caption = "Modifty information";
+            else
+                this.Caption = "Add infomation";
+
+            this.PersonData = data;
+            this.OkCommand = ReactiveCommand.Create<IDialogView, Unit>(view => FuncOkCommand(view));
+            this.CancelCommand = ReactiveCommand.Create<IDialogView, Unit>(view => FuncCancelCommand(view));
+        }
+
+        private string _caption;
+        public string Caption
+        {
+            get { return _caption; }
+            set { this.RaiseAndSetIfChanged(ref _caption, value); }
+        }
+
+        private Unit FuncOkCommand(IDialogView view)
+        {
+            view.DialogResult = true;
+            view.Close();
+
+            return Unit.Default;
+        }
+
+        private Unit FuncCancelCommand(IDialogView view)
+        {
+            view.DialogResult = false;
+            view.Close();
+
+            return Unit.Default;
+        }
+    }
+}