Add in file paths data to DragData (#4649)

* Add in file paths data to DragData

* Update of CefSharp.Core.Runtime.netcore.cs for adding DragData FilePaths and removal of AcceptLanguageList

---------

Co-authored-by: Michael Bragg <[email protected]>

Author: mbragg12

CefSharp.Core.Runtime.RefAssembly/CefSharp.Core.Runtime.netcore.cs

@@ -14,7 +14,6 @@ public partial class BrowserSettings : CefSharp.IBrowserSettings
     {
         public BrowserSettings() { }
         public BrowserSettings(bool autoDispose) { }
-        public virtual string AcceptLanguageList { get { throw null; } set { } }
         public virtual bool AutoDispose { get { throw null; } }
         public virtual uint BackgroundColor { get { throw null; } set { } }
         public virtual string CursiveFontFamily { get { throw null; } set { } }
@@ -135,6 +134,7 @@ public partial class DragData : CefSharp.Internals.CefWrapper, CefSharp.IDragDat
         internal DragData() { }
         public virtual string FileName { get { throw null; } set { } }
         public virtual System.Collections.Generic.IList<string> FileNames { get { throw null; } }
+        public virtual System.Collections.Generic.IList<string> FilePaths { get { throw null; } }
         public virtual string FragmentBaseUrl { get { throw null; } set { } }
         public virtual string FragmentHtml { get { throw null; } set { } }
         public virtual string FragmentText { get { throw null; } set { } }

CefSharp.Core.Runtime/DragData.h

@@ -90,6 +90,18 @@ namespace CefSharp
                 }
             }
 
+            //TODO: Vector is a pointer, so can potentially be updated (items may be possibly removed)
+            virtual property IList<String^>^ FilePaths
+            {
+                IList<String^>^ get()
+                {
+                    auto paths = vector<CefString>();
+                    _wrappedDragData->GetFilePaths(paths);
+
+                    return StringUtils::ToClr(paths);
+                }
+            }
+
             virtual property String^ FragmentBaseUrl
             {
                 String^ get()

CefSharp/IDragData.cs

@@ -35,6 +35,11 @@ public interface IDragData : IDisposable
         /// </summary>
         IList<string> FileNames { get; }
 
+        /// <summary>
+        /// Retrieve the list of file paths that are being dragged into the browser window
+        /// </summary>
+        IList<string> FilePaths { get; }
+
         /// <summary>
         /// Return the base URL that the fragment came from. This value is used for resolving relative URLs and may be empty. 
         /// </summary>