Modernize C# snippets (System.ComponentModel)

snippets/csharp/System.ComponentModel.Design.Serialization/DesignerSerializationManager/Overview/Program.cs

@@ -1,30 +1,13 @@
 // <snippet1>
-using System;
-using System.Collections.Generic;
-using System.Text;
-
 namespace DSMSample
 {
     // <snippet2>
-    public class SampleObject
+    public class SampleObject2
     {
-        private string stringValue = null;
-        private int intValue = int.MinValue;
-
-        public string StringProperty 
-        { 
-            get { return this.stringValue; }
-
-            set { this.stringValue = value; }
-        }
-
-        public int IntProperty 
-        {
-            get { return this.intValue; }
+        public string StringProperty { get; set; }
 
-            set{ this.intValue = value; }
-        }
+        public int IntProperty { get; set; } = int.MinValue;
     }
     // </snippet2>
 }
-// </snippet1>
+// </snippet1>

snippets/csharp/System.ComponentModel.Design.Serialization/DesignerSerializationManager/Overview/Project.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

snippets/csharp/System.ComponentModel.Design.Serialization/DesignerSerializationManager/Overview/SampleObject.cs

@@ -1,54 +1,31 @@
 // <snippet10>
-using System;
-using System.Collections.Generic;
-using System.Text;
-
 namespace DSMSample
 {
     // <snippet11>
     public class SampleObject
     {
-        private string stringValue = null;
-        private int intValue = int.MinValue;
-        private SampleObject childValue = null;
-
-        public string StringProperty
-        {
-            get { return this.stringValue; }
+        public string StringProperty { get; set; }
 
-            set { this.stringValue = value; }
-        }
-
-        public int IntProperty
-        {
-            get { return this.intValue; }
+        public int IntProperty { get; set; } = int.MinValue;
 
-            set { this.intValue = value; }
-        }
-
-        public SampleObject Child
-        {
-            get { return this.childValue; }
-
-            set { this.childValue = value; }
-        }
+        public SampleObject Child { get; set; }
     }
     // </snippet11>
 
     // <snippet12>
     class Program
     {
         // <snippet13>
-        static void Main(string[] args)
+        static void Main()
         {
             // <snippet14>
-            SampleObject root = new SampleObject();
+            SampleObject root = new();
 
             SampleObject currentObject = root;
 
             for (int i = 0; i < 10; i++)
             {
-                SampleObject o = new SampleObject();
+                SampleObject o = new();
 
                 currentObject.Child = o;
 
@@ -60,4 +37,4 @@ static void Main(string[] args)
     }
     // </snippet12>
 }
-// </snippet10>
+// </snippet10>

snippets/csharp/System.ComponentModel.Design/CollectionEditor/Overview/Project.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Library</OutputType>
+    <TargetFramework>net10.0-windows</TargetFramework>
+    <UseWindowsForms>true</UseWindowsForms>
+  </PropertyGroup>
+
+</Project>

snippets/csharp/System.ComponentModel.Design/CollectionEditor/Overview/class1.cs

@@ -1,109 +1,56 @@
-using System;
-using System.Collections;
+using System.Collections;
 using System.ComponentModel;
 using System.ComponentModel.Design;
 using System.Drawing;
 using System.Drawing.Design;
-using System.Web.UI.Design;
 using System.Windows.Forms;
-using System.Windows.Forms.Design;
 
-namespace EditorAttributeExamples
+namespace EditorExamples
 {
-    public class Class1 : System.ComponentModel.Component
+    public class Class1 : Component
     {
-        // System.ComponentModel.Design.CollectionEditor EditorAttribute example
+        // System.ComponentModel.Design.CollectionEditor Editor example.
         //<Snippet1>
-        [EditorAttribute(typeof(System.ComponentModel.Design.CollectionEditor), typeof(System.Drawing.Design.UITypeEditor))]
-        public ICollection testCollection
-        {
-            get
-            {
-                return Icollection;
-            }
-            set
-            {
-                Icollection = value;
-            }
-        }
-        private ICollection Icollection;
+        [Editor(typeof(CollectionEditor), typeof(UITypeEditor))]
+        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
+        public ICollection testCollection { get; set; }
         //</Snippet1>
 
-        // System.Drawing.Design.FontEditor EditorAttribute example
+        // FontEditor Editor example.
         //<Snippet2>
-        [EditorAttribute(typeof(System.Drawing.Design.FontEditor), typeof(System.Drawing.Design.UITypeEditor))]
-        public Font testFont
-        {
-            get
-            {
-                return font;
-            }
-            set
-            {
-                font = value;
-            }
-        }
-        private Font font;
+        [Editor(typeof(FontEditor), typeof(UITypeEditor))]
+        [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
+        public Font testFont { get; set; }
         //</Snippet2>
 
-        // System.Drawing.Design.ImageEditor EditorAttribute example
+        // ImageEditor Editor example.
         //<Snippet3>
-        [EditorAttribute(typeof(System.Drawing.Design.ImageEditor), typeof(System.Drawing.Design.UITypeEditor))]
-        public Image testImage
-        {
-            get
-            {
-                return testImg;
-            }
-            set
-            {
-                testImg = value;
-            }
-        }
-        private Image testImg;                
+        [Editor(typeof(ImageEditor), typeof(UITypeEditor))]
+        [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
+        public Image testImage { get; set; }
         //</Snippet3>
 
-        // System.Windows.Forms.Design.AnchorEditor EditorAttribute example
+        // System.Windows.Forms.Design.AnchorEditor Editor example.
         //<Snippet4>
-        [EditorAttribute(typeof(System.Windows.Forms.Design.AnchorEditor), typeof(System.Drawing.Design.UITypeEditor))]
-        public System.Windows.Forms.AnchorStyles testAnchor
-        {
-            get
-            {
-                return anchor;
-            }
-            set
-            {
-                anchor = value;
-            }
-        }
-        private AnchorStyles anchor;       
+        [Editor(typeof(System.Windows.Forms.Design.AnchorEditor), typeof(UITypeEditor))]
+        [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
+        public AnchorStyles testAnchor { get; set; }
         //</Snippet4>
 
-        // System.Windows.Forms.Design.FileNameEditor EditorAttribute example
+        // System.Windows.Forms.Design.FileNameEditor Editor example.
         //<Snippet5>
-        [EditorAttribute(typeof(System.Windows.Forms.Design.FileNameEditor), typeof(System.Drawing.Design.UITypeEditor))]
-        public string testFilename
-        {
-            get
-            {
-                return filename;
-            }
-            set
-            {
-                filename = value;
-            }
-        }
-        private string filename;       
+        [Editor(typeof(System.Windows.Forms.Design.FileNameEditor), typeof(UITypeEditor))]
+        [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
+        public string testFilename { get; set; }
         //</Snippet5>
 
         public Class1()
         {
             // Initialize collections for design-mode editor testing.
-            Icollection = new int[] { 0, 2, 4, 6, 8, 12, 14 };
-            font = new Font("Arial", 8);           
+            testCollection = new int[] { 0, 2, 4, 6, 8, 12, 14 };
+            testFont = new("Arial", 8);
             testAnchor = AnchorStyles.None;
-            filename = string.Empty;
+            testFilename = string.Empty;
         }
     }
 }

snippets/csharp/System.ComponentModel/AddingNewEventArgs/Overview/Project.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0-windows</TargetFramework>
+    <UseWindowsForms>true</UseWindowsForms>
+  </PropertyGroup>
+
+</Project>