Code Quality: Use LibraryImportAttribute at undocumented EntryPoint (#15298)

Author: gumbarros

src/Files.App/Helpers/Environment/ElevationHelpers.cs

@@ -1,7 +1,6 @@
 // Copyright (c) 2024 Files Community
 // Licensed under the MIT License. See the LICENSE.
 
-using System.Runtime.InteropServices;
 using System.Security.Principal;
 
 namespace Files.App.Helpers
@@ -13,7 +12,7 @@ public static bool IsElevationRequired(string filePath)
 			if (string.IsNullOrEmpty(filePath))
 				return false;
 
-			return Win32PInvoke._IsElevationRequired(filePath);
+			return Win32PInvoke.IsElevationRequired(filePath);
 		}
 
 		public static bool IsAppRunAsAdmin()

src/Files.App/Helpers/Win32/Win32PInvoke.Methods.cs

@@ -426,9 +426,9 @@ public static extern int CompareStringEx(
 			int param
 		);
 
-		[DllImport("shell32.dll", EntryPoint = "#865", CharSet = CharSet.Unicode, SetLastError = true)]
+		[LibraryImport("shell32.dll", EntryPoint = "#865", SetLastError = true)]
 		[return: MarshalAs(UnmanagedType.Bool)]
-		public static extern bool _IsElevationRequired(
+		public static partial bool IsElevationRequired(
 			[MarshalAs(UnmanagedType.LPWStr)] string pszPath);
 
 		[DllImport("shlwapi.dll", CallingConvention = CallingConvention.StdCall, PreserveSig = true, CharSet = CharSet.Unicode)]