| 1 | // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. |
| 2 | |
| 3 | namespace WixToolset.Test.BA |
| 4 | { |
| 5 | using System; |
| 6 | using System.Runtime.InteropServices; |
| 7 | using System.Windows.Forms; |
| 8 | |
| 9 | public class MessagePump |
| 10 | { |
| 11 | const uint PM_REMOVE = 1; |
| 12 | |
| 13 | [DllImport("user32.dll", ExactSpelling = true)] |
| 14 | [return: MarshalAs(UnmanagedType.Bool)] |
| 15 | public static extern bool PeekMessageW(ref Message pMsg, IntPtr hWnd, uint wMsgFilterMin, uint wMsgFilterMax, uint wRemoveMsg); |
| 16 | |
| 17 | [DllImport("user32.dll", ExactSpelling = true)] |
| 18 | [return: MarshalAs(UnmanagedType.Bool)] |
| 19 | public static extern bool TranslateMessage(ref Message pMsg); |
| 20 | |
| 21 | [DllImport("user32.dll", ExactSpelling = true)] |
| 22 | public static extern IntPtr DispatchMessageW(ref Message pMsg); |
| 23 | |
| 24 | public static void ProcessMessages(int maxMessages) |
| 25 | { |
| 26 | for (int i = 0; i < maxMessages; i++) |
| 27 | { |
| 28 | Message message = new Message(); |
| 29 | if (!PeekMessageW(ref message, IntPtr.Zero, 0, 0, PM_REMOVE)) |
| 30 | { |
| 31 | break; |
| 32 | } |
| 33 | |
| 34 | TranslateMessage(ref message); |
| 35 | DispatchMessageW(ref message); |
| 36 | } |
| 37 | } |
| 38 | } |
| 39 | } |