diff --git a/Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs b/Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs
index a747ba340..282bb6e43 100644
--- a/Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs
+++ b/Flow.Launcher.Plugin/Interfaces/IPublicAPI.cs
@@ -299,81 +299,16 @@ namespace Flow.Launcher.Plugin
         /// </summary>
         /// <param name="reselect">Choose the first result after reload if true; keep the last selected result if false. Default is true.</param>
         public void ReQuery(bool reselect = true);
-        
-        /// <summary>
-        /// Displays a message box that has a message and that returns a result.
-        /// </summary>
-        /// <param name="messageBoxText">A System.String that specifies the text to display.</param>
-        /// <returns>
-        /// A System.Windows.MessageBoxResult value that specifies which message box button
-        /// is clicked by the user.
-        /// </returns>
-        public MessageBoxResult ShowMsgBox(string messageBoxText);
 
         /// <summary>
-        /// Displays a message box that has a message and title bar caption; and that returns
-        /// a result.
+        /// Displays a message box like <see cref="System.Windows.MessageBox"/>
         /// </summary>
-        /// <param name="messageBoxText">A System.String that specifies the text to display.</param>
-        /// <param name="caption">A System.String that specifies the title bar caption to display.</param>
-        /// <returns>
-        /// A System.Windows.MessageBoxResult value that specifies which message box button
-        /// is clicked by the user.
-        /// </returns>
-        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption);
-
-        /// <summary>
-        /// Displays a message box that has a message, title bar caption, and button; and
-        /// that returns a result.
-        /// </summary>
-        /// <param name="messageBoxText">A System.String that specifies the text to display.</param>
-        /// <param name="caption">A System.String that specifies the title bar caption to display.</param>
-        /// <param name="button">
-        /// A System.Windows.MessageBoxButton value that specifies which button or buttons
-        /// to display.
-        /// </param>
-        /// <returns>
-        /// A System.Windows.MessageBoxResult value that specifies which message box button
-        /// is clicked by the user.
-        /// </returns>
-        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption, MessageBoxButton button); 
-
-        /// <summary>
-        /// Displays a message box that has a message, title bar caption, button, and icon;
-        /// and that returns a result.
-        /// </summary>
-        /// <param name="messageBoxText">A System.String that specifies the text to display.</param>
-        /// <param name="caption">A System.String that specifies the title bar caption to display.</param>
-        /// <param name="button">
-        /// A System.Windows.MessageBoxButton value that specifies which button or buttons
-        /// to display.
-        /// </param>
-        /// <param name="icon">A System.Windows.MessageBoxImage value that specifies the icon to display.</param>
-        /// <returns>
-        /// A System.Windows.MessageBoxResult value that specifies which message box button
-        /// is clicked by the user.
-        /// </returns>
-        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption, MessageBoxButton button, MessageBoxImage icon);
-
-        /// <summary>
-        /// Displays a message box that has a message, title bar caption, button, and icon;
-        /// and that accepts a default message box result and returns a result.
-        /// </summary>
-        /// <param name="messageBoxText">A System.String that specifies the text to display.</param>
-        /// <param name="caption">A System.String that specifies the title bar caption to display.</param>
-        /// <param name="button">
-        /// A System.Windows.MessageBoxButton value that specifies which button or buttons
-        /// to display.
-        /// </param>
-        /// <param name="icon">A System.Windows.MessageBoxImage value that specifies the icon to display.</param>
-        /// <param name="defaultResult">
-        /// A System.Windows.MessageBoxResult value that specifies the default result of
-        /// the message box.
-        /// </param>
-        /// <returns>
-        /// A System.Windows.MessageBoxResult value that specifies which message box button
-        /// is clicked by the user.
-        /// </returns>
-        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption, MessageBoxButton button, MessageBoxImage icon, MessageBoxResult defaultResult);
+        /// <param name="messageBoxText">The message of the message box.</param>
+        /// <param name="caption">The caption of the message box.</param>
+        /// <param name="button">Specifies which button or buttons to display.</param>
+        /// <param name="icon">Specifies the icon to display.</param>
+        /// <param name="defaultResult">Specifies the default result of the message box.</param>
+        /// <returns>Specifies which message box button is clicked by the user.</returns>
+        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption = "", MessageBoxButton button = MessageBoxButton.OK, MessageBoxImage icon = MessageBoxImage.None, MessageBoxResult defaultResult = MessageBoxResult.OK);
     }
 }
diff --git a/Flow.Launcher/PublicAPIInstance.cs b/Flow.Launcher/PublicAPIInstance.cs
index 33739bda2..0e567cdd4 100644
--- a/Flow.Launcher/PublicAPIInstance.cs
+++ b/Flow.Launcher/PublicAPIInstance.cs
@@ -319,17 +319,7 @@ namespace Flow.Launcher
 
         public void ReQuery(bool reselect = true) => _mainVM.ReQuery(reselect);
 
-        public MessageBoxResult ShowMsgBox(string messageBoxText) => MessageBoxEx.Show(messageBoxText);
-
-        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption) => MessageBoxEx.Show(messageBoxText, caption);
-
-        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption, MessageBoxButton button) => 
-            MessageBoxEx.Show(messageBoxText, caption, button);
-
-        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption, MessageBoxButton button, MessageBoxImage icon) =>
-            MessageBoxEx.Show(messageBoxText, caption, button, icon);
-
-        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption, MessageBoxButton button, MessageBoxImage icon, MessageBoxResult defaultResult) =>
+        public MessageBoxResult ShowMsgBox(string messageBoxText, string caption = "", MessageBoxButton button = MessageBoxButton.OK, MessageBoxImage icon = MessageBoxImage.None, MessageBoxResult defaultResult = MessageBoxResult.OK) =>
             MessageBoxEx.Show(messageBoxText, caption, button, icon, defaultResult);
 
         #endregion