Porting several outstanding UITypeEditors

.gitattributes

@@ -1 +1,4 @@
 * text=auto
+
+# Collapse XLF files in PRs by default
+*.xlf linguist-generated=true

src/Common/src/Interop/Kernel32/Interop.MultiByteToWideChar.cs

@@ -0,0 +1,20 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+    internal partial class Kernel32
+    {
+        // SECREVIEW: From MSDN: Using the MultiByteToWideChar/WideCharToMultiByte function incorrectly can compromise the security of your application. 
+        //            Calling the WideCharToMultiByte function can easily cause a buffer overrun because the size of the In buffer equals the number 
+        //            of WCHARs in the string, while the size of the Out buffer equals the number of bytes. To avoid a buffer overrun, be sure to specify 
+        //            a buffer size appropriate for the data type the buffer receives. For more information, see Security Considerations: International Features. 
+        //            Always call these functions passing a null destination buffer to get its size and the create the buffer with the exact size.
+        [DllImport(ExternDll.Kernel32, ExactSpelling = true, CharSet = CharSet.Unicode, SetLastError = true)]
+        public static extern int MultiByteToWideChar(int CodePage, int dwFlags, byte[] lpMultiByteStr, int cchMultiByte, char[] lpWideCharStr, int cchWideChar);
+    }
+}

src/System.Design/src/System.Design.Forwards.cs

@@ -4,6 +4,19 @@
 
 using System.Runtime.CompilerServices;
 
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.DataMemberFieldConverter))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.FormatStringEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.HelpNamespaceEditor))]
 [assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.ImageCollectionEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.ImageIndexEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.LinkAreaEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.ListControlStringCollectionEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.ListViewGroupCollectionEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.ListViewItemCollectionEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.ListViewSubItemCollectionEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.MaskPropertyEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.MaskedTextBoxTextEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.SelectedPathEditor))]
 [assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.StringArrayEditor))]
 [assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.StringCollectionEditor))]
+[assembly: TypeForwardedTo(typeof(System.Windows.Forms.Design.TabPageCollectionEditor))]

src/System.Windows.Forms.Design.Editors/src/Misc/DpiHelper.cs

@@ -126,6 +126,15 @@ public static bool IsScalingRequired
             }
         }
 
+        /// <summary>
+        /// scale logical pixel to the factor
+        /// </summary>
+        public static int ConvertToGivenDpiPixel(int value, double pixelFactor)
+        {
+            var scaledValue = (int)Math.Round(value * pixelFactor);
+            return scaledValue == 0 ? 1 : scaledValue;
+        }
+
         /// <summary>
         ///  Transforms a horizontal or vertical integer coordinate from logical to device units
         ///  by scaling it up  for current DPI and rounding to nearest integer value
@@ -142,6 +151,20 @@ public static int LogicalToDeviceUnits(int value, int devicePixels = 0)
             return (int)Math.Round(scalingFactor * (double)value);
         }
 
+        /// <summary>
+        /// Transforms a horizontal or vertical integer coordinate from logical to device units
+        /// by scaling it up  for current DPI and rounding to nearest integer value
+        /// </summary>
+        public static double LogicalToDeviceUnits(double value, int devicePixels = 0)
+        {
+            if (devicePixels == 0)
+            {
+                return LogicalToDeviceUnitsScalingFactor * value;
+            }
+            double scalingFactor = devicePixels / LogicalDpi;
+            return scalingFactor * value;
+        }
+
         /// <summary>
         ///  Transforms a horizontal integer coordinate from logical to device units
         ///  by scaling it up  for current DPI and rounding to nearest integer value