Fixed auto closing message boxes that were not closing.

OpenBullet/Globals.cs

@@ -6,6 +6,7 @@ using RuriLib.ViewModels;
 using System;
 using System.Collections.ObjectModel;
 using System.IO;
+using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Media;
 
@@ -71,7 +72,11 @@ namespace OpenBullet
                 }
                 else
                 {
-                    AutoClosingMessageBox.Show(message, level.ToString(), timeout * 1000);
+                    var w = new System.Windows.Forms.Form() { Size = new System.Drawing.Size(0, 0) };
+                    Task.Delay(TimeSpan.FromSeconds(timeout))
+                        .ContinueWith((t) => w.Close(), TaskScheduler.FromCurrentSynchronizationContext());
+
+                    System.Windows.Forms.MessageBox.Show(w, message, level.ToString());
                 }
             }
 
@@ -145,35 +150,4 @@ namespace OpenBullet
             catch { return (SolidColorBrush)App.Current.Resources["ForegroundMain"]; }
         }
     }
-
-    // Source: https://stackoverflow.com/questions/14522540/close-a-messagebox-after-several-seconds
-    public class AutoClosingMessageBox
-    {
-        System.Threading.Timer _timeoutTimer;
-        string _caption;
-        AutoClosingMessageBox(string text, string caption, int timeout)
-        {
-            _caption = caption;
-            _timeoutTimer = new System.Threading.Timer(OnTimerElapsed,
-                null, timeout, System.Threading.Timeout.Infinite);
-            using (_timeoutTimer)
-                MessageBox.Show(text, caption);
-        }
-        public static void Show(string text, string caption, int timeout)
-        {
-            new AutoClosingMessageBox(text, caption, timeout);
-        }
-        void OnTimerElapsed(object state)
-        {
-            IntPtr mbWnd = FindWindow("#32770", _caption); // lpClassName is #32770 for MessageBox
-            if (mbWnd != IntPtr.Zero)
-                SendMessage(mbWnd, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
-            _timeoutTimer.Dispose();
-        }
-        const int WM_CLOSE = 0x0010;
-        [System.Runtime.InteropServices.DllImport("user32.dll", SetLastError = true)]
-        static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
-        [System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
-        static extern IntPtr SendMessage(IntPtr hWnd, UInt32 Msg, IntPtr wParam, IntPtr lParam);
-    }
 }