适应C#8.0语法

SunnyUI/Charts/UILineChartOption.cs

@@ -748,11 +748,6 @@ namespace Sunny.UI
 
         public UILineSeries Series { get; set; }
 
-        public SeriesDataPoint()
-        {
-
-        }
-
         public SeriesDataPoint(UILineSeries series, double x, double y)
         {
             X = x;

SunnyUI/Controls/UIContextMenuStrip.cs

@@ -160,7 +160,7 @@ namespace Sunny.UI
 
             //当右键菜单未绑定ImageList，并且ImageIndex>0时，将ImageIndex绑定为Symbol绘制
             ToolStripItem item = e.Item;
-            while (item.Owner is not ContextMenuStrip)
+            while (!(item.Owner is ContextMenuStrip))
             {
                 if (item.Owner is ToolStripDropDownMenu)
                     item = item.OwnerItem;

SunnyUI/Font/UFontImageHelper.cs

@@ -39,7 +39,7 @@ namespace Sunny.UI
     /// </summary>
     public static class FontImageHelper
     {
-        public static readonly Dictionary<UISymbolType, FontImages> Fonts = new();
+        public static readonly Dictionary<UISymbolType, FontImages> Fonts = new Dictionary<UISymbolType, FontImages>();
 
         /// <summary>
         /// 构造函数

SunnyUI/Forms/UIFormService.cs

@@ -17,9 +17,9 @@ namespace Sunny.UI
 
         static UIFormServiceHelper()
         {
-            WaitFormService = new();
-            ProcessFormService = new();
-            StatusFormService = new();
+            WaitFormService = new UIWaitFormService();
+            ProcessFormService = new UIProcessIndicatorFormService();
+            StatusFormService = new UIStatusFormService();
         }
 
         /// <summary>

SunnyUI/SunnyUI.csproj

@@ -2,7 +2,7 @@
 
     <PropertyGroup>
         <TargetFrameworks>net8.0-windows;net7.0-windows;net6.0-windows;net472;net40</TargetFrameworks>
-        <LangVersion>11.0</LangVersion>
+        <LangVersion>8.0</LangVersion>
         <ProjectGuid>{AB1CB247-E20B-4CBE-B269-570ADDD96C53}</ProjectGuid>
         <UseWindowsForms>true</UseWindowsForms>
         <RootNamespace>Sunny.UI</RootNamespace>