Make code more readable

Author: TheBestPessimist

Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs

@@ -233,8 +233,8 @@ public interface IPublicAPI
         /// Open directory in an explorer configured by user via Flow's Settings. The default is Windows Explorer
         /// </summary>
         /// <param name="DirectoryPath">Directory Path to open</param>
-        /// <param name="FileName">Extra FileName Info</param>
-        public void OpenDirectory(string DirectoryPath, string FileName = null);
+        /// <param name="FileNameOrFilePath">Extra FileName Info</param>
+        public void OpenDirectory(string DirectoryPath, string FileNameOrFilePath = null);
 
         /// <summary>
         /// Opens the URL with the given Uri object. 

Flow.Launcher/PublicAPIInstance.cs

@@ -1,4 +1,4 @@
- using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Net;
@@ -195,17 +195,20 @@ public void SavePluginSettings()
             ((PluginJsonStorage<T>)_pluginJsonStorages[type]).Save();
         }
 
-        public void OpenDirectory(string DirectoryPath, string FileName = null)
+        public void OpenDirectory(string DirectoryPath, string FileNameOrFilePath = null)
         {
             using var explorer = new Process();
             var explorerInfo = _settingsVM.Settings.CustomExplorer;
             explorer.StartInfo = new ProcessStartInfo
             {
                 FileName = explorerInfo.Path,
-                Arguments = FileName is null ?
-                    explorerInfo.DirectoryArgument.Replace("%d", DirectoryPath) :
-                    explorerInfo.FileArgument.Replace("%d", DirectoryPath).Replace("%f",
-                        Path.IsPathRooted(FileName) ? FileName : Path.Combine(DirectoryPath, FileName))
+                Arguments = FileNameOrFilePath is null
+                    ? explorerInfo.DirectoryArgument.Replace("%d", DirectoryPath)
+                    : explorerInfo.FileArgument
+                        .Replace("%d", DirectoryPath)
+                        .Replace("%f",
+                            Path.IsPathRooted(FileNameOrFilePath) ? FileNameOrFilePath : Path.Combine(DirectoryPath, FileNameOrFilePath)
+                        )
             };
             explorer.Start();
         }