Fix Net40 Compile

Author: ghost1372

src/Shared/HandyControl_Shared/HandyControls/Attach/BrushAttach.cs

@@ -1,4 +1,5 @@
-using System.Windows;
+#if !NET40
+using System.Windows;
 using System.Windows.Media;
 using HandyControl.Tools;
 
@@ -52,3 +53,4 @@ public static void SetColorCorrectionFactor(DependencyObject obj, double value)
         obj.SetValue(ColorCorrectionFactorProperty, value);
     }
 }
+#endif

src/Shared/HandyControl_Shared/HandyControls/Tools/Helper/ApplicationHelper.cs

@@ -103,6 +103,21 @@ public static void StartProfileOptimization(string CachePath = null)
         ProfileOptimization.SetProfileRoot(CachePath);
         ProfileOptimization.StartProfile("Profile");
     }
+
+
+    /// <summary>
+    /// Retrieves an enumeration value from a string representation. It requires the generic type to be an enum.
+    /// </summary>
+    /// <typeparam name="TEnum">The generic type must be an enumeration type to convert the string into its corresponding enum value.</typeparam>
+    /// <param name="text">The string representation of the enumeration value to be converted.</param>
+    /// <returns>The corresponding enumeration value of the specified type.</returns>
+    /// <exception cref="InvalidOperationException">Thrown when the generic type parameter is not an enumeration.</exception>
+    public static TEnum GetEnum<TEnum>(string text) where TEnum : struct
+    {
+        return !typeof(TEnum).GetTypeInfo().IsEnum
+            ? throw new InvalidOperationException("Generic parameter 'TEnum' must be an enum.")
+            : (TEnum) Enum.Parse(typeof(TEnum), text);
+    }
 #endif
 
     /// <summary>
@@ -151,19 +166,5 @@ public static string GetExecutablePathNative()
         InteropMethods.GetModuleFileName(IntPtr.Zero, sb, MAX_PATH);
         return sb.ToString();
     }
-
-    /// <summary>
-    /// Retrieves an enumeration value from a string representation. It requires the generic type to be an enum.
-    /// </summary>
-    /// <typeparam name="TEnum">The generic type must be an enumeration type to convert the string into its corresponding enum value.</typeparam>
-    /// <param name="text">The string representation of the enumeration value to be converted.</param>
-    /// <returns>The corresponding enumeration value of the specified type.</returns>
-    /// <exception cref="InvalidOperationException">Thrown when the generic type parameter is not an enumeration.</exception>
-    public static TEnum GetEnum<TEnum>(string text) where TEnum : struct
-    {
-        return !typeof(TEnum).GetTypeInfo().IsEnum
-            ? throw new InvalidOperationException("Generic parameter 'TEnum' must be an enum.")
-            : (TEnum) Enum.Parse(typeof(TEnum), text);
-    }
 }
 

src/Shared/HandyControl_Shared/HandyControls/Tools/Helper/Github Update/UpdateHelperJsonContext.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+#if !NET40
+using System.Collections.Generic;
 using System.Text.Json.Serialization;
 
 namespace HandyControl.Tools;
@@ -8,3 +9,4 @@ namespace HandyControl.Tools;
 internal partial class UpdateHelperJsonContext : JsonSerializerContext
 {
 }
+#endif

src/Shared/HandyControl_Shared/HandyControls/Tools/Markup/ColorBrightnessExtension.cs

@@ -1,4 +1,5 @@
-using System;
+#if !NET40
+using System;
 using System.Windows.Markup;
 using System.Windows.Media;
 
@@ -44,3 +45,4 @@ public override object ProvideValue(IServiceProvider serviceProvider)
                     : ColorHelper.DarkenColor(Color, -(float) CorrectionFactor);
     }
 }
+#endif