committed

GuiWPF/ViewModelBase.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace GuiWPF
+{
+    public class ViewModelBase : NotificationObject
+    {
+        private bool valIsBusy;
+        private string valBusyMessage;
+
+        public bool IsBusy
+        {
+            get => valIsBusy;
+            set
+            {
+                if(valIsBusy != value)
+                {
+                    valIsBusy = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+        public string BusyMessage
+        {
+            get => valBusyMessage;
+            set
+            {
+                if(valBusyMessage != value)
+                {
+                    valBusyMessage = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
+    }
+}