添加项目文件。

ViewModel/AppConfig.cs

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+using GalaSoft.MvvmLight;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using GeekDesk.Constant;
+
+namespace GeekDesk.ViewModel
+{
+    [Serializable]
+    public class AppConfig  :  ViewModelBase
+    {
+        private int menuSortType = (int)SortType.CUSTOM; //菜单排序类型
+        private int iconSortType = (int)SortType.CUSTOM; //图表排序类型
+        private double windowWidth = (double)DefaultConstant.WINDOW_WIDTH;  //窗口宽度
+        private double windowHeight = (double)DefaultConstant.WINDOW_HEIGHT; //窗口高度
+        private double menuCardWidth = (double)DefaultConstant.MENU_CARD_WIDHT;//菜单栏宽度
+
+
+        #region GetSet
+        public int MenuSortType {
+            get
+            {
+                return menuSortType;
+            }
+            set
+            {
+                menuSortType = value;
+                RaisePropertyChanged();
+            }
+        }
+
+        public int IconSortType
+        {
+            get
+            {
+                return iconSortType;
+            }
+            set
+            {
+                iconSortType = value;
+                RaisePropertyChanged();
+            }
+        }
+
+        public double WindowWidth
+        {
+            get
+            {
+                return windowWidth;
+            }
+            set
+            {
+                windowWidth = value;
+                RaisePropertyChanged();
+            }
+        }
+
+        public double WindowHeight
+        {
+            get
+            {
+                return windowHeight;
+            }
+            set
+            {
+                windowHeight = value;
+                RaisePropertyChanged();
+            }
+        }
+
+        public double MenuCardWidth
+        {
+            get
+            {
+                return menuCardWidth;
+            }
+            set
+            {
+                menuCardWidth = value;
+                RaisePropertyChanged();
+            }
+        }
+        #endregion
+
+    }
+}