[Winform]Media Player播放控制台控制，單擊事件截獲

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摘要

在項目中有這樣的一個需求，需要在一台宣傳機器上迴圈播放一段視頻，並在體驗的使用者單擊滑鼠左鍵的時候推出全屏，可以讓使用者體驗電腦的其它功能。

解決方案

考慮到都是windows系統的，所以採用了windows內建的播放器，Windows Media Player Com組件作為視頻播放器。

但是，為了更好滿足需求，下面的播放控制台需要隱藏，該怎麼做呢？最後找到解決方案，設定播放器屬性

windowsMediaPlay.uiMode = "none";

迴圈播放的代碼，這裡為播放器添加播放清單，代碼如下：

 string[] filePaths = Directory.GetFiles(_videoDirPath).Where(x => x.EndsWith(".mp4") || x.EndsWith(".wmv")).ToArray();                //添加迴圈播放清單                foreach (var item in filePaths)                {                    windowsMediaPlay.currentPlaylist.appendItem(windowsMediaPlay.newMedia(item));                }                //不再工作列顯示                this.ShowInTaskbar = false;                this.FormClosing += VideoFrm_FormClosing;                windowsMediaPlay.ClickEvent += windowsMediaPlay_ClickEvent;                windowsMediaPlay.KeyUpEvent += windowsMediaPlay_KeyUpEvent;                windowsMediaPlay.StatusChange += windowsMediaPlay_StatusChange;                windowsMediaPlay.ErrorEvent += windowsMediaPlay_ErrorEvent;                windowsMediaPlay.DoubleClickEvent += windowsMediaPlay_DoubleClickEvent;                windowsMediaPlay.Ctlcontrols.play();

那麼，如何在使用者單擊的時候，讓程式最小化？

注意

在uiMode = "none"的情況下，單擊會觸發視頻暫停事件，並不會退出。視頻暫停，是不是視頻狀態變化了呢？所以在截獲單擊視頻事件，我們完全可以在視頻暫停時候，對其進行截獲。statechange事件對應的方法如下：

       void windowsMediaPlay_StatusChange(object sender, EventArgs e)        {            /*               * 0 Undefined Windows Media Player is in an undefined state.(未定義)                1 Stopped Playback of the current media item is stopped.(停止)                2 Paused Playback of the current media item is paused. When a media item is paused, resuming 
playback begins from the same location.(停留)                3 Playing The current media item is playing.(播放)                4 ScanForward The current media item is fast forwarding.                5 ScanReverse The current media item is fast rewinding.                6 Buffering The current media item is getting additional data from the server.(轉換)                7 Waiting Connection is established, but the server is not sending data. Waiting for session to begin.(暫停)                8 MediaEnded Media item has completed playback. (播放結束)                9 Transitioning Preparing new media item.                10 Ready Ready to begin playing.(準備就緒)                11 Reconnecting Reconnecting to stream.(重新串連)            */            try            {                switch (windowsMediaPlay.playState)                {                    case WMPLib.WMPPlayState.wmppsBuffering:                        break;                    case WMPLib.WMPPlayState.wmppsLast:                        break;                    case WMPLib.WMPPlayState.wmppsMediaEnded:                        break;                    case WMPLib.WMPPlayState.wmppsPaused:                        //單擊了視頻則退出                        HideVideo();                        break;                    case WMPLib.WMPPlayState.wmppsPlaying:                        if (!windowsMediaPlay.fullScreen)                        {                            windowsMediaPlay.fullScreen = true;                        }                        break;                    case WMPLib.WMPPlayState.wmppsReady:                        break;                    case WMPLib.WMPPlayState.wmppsReconnecting:                        break;                    case WMPLib.WMPPlayState.wmppsScanForward:                        break;                    case WMPLib.WMPPlayState.wmppsScanReverse:                        break;                    case WMPLib.WMPPlayState.wmppsStopped:                        break;                    case WMPLib.WMPPlayState.wmppsTransitioning:                        break;                    case WMPLib.WMPPlayState.wmppsUndefined:                        break;                    case WMPLib.WMPPlayState.wmppsWaiting:                        break;                    default:                        break;                }            }            catch (Exception ex)            {                LogInfoData.WriteLog(new LogInfo                           {                               Dt = DateTime.Now,                               IsSend = false,                               Message = ex.Message,                               Op = "media_state_change_err"                           });            }        }

關於雙擊全屏截獲的邏輯也可以在這裡處理，雙擊之前肯定會有一次單擊，所以在這裡也能進行雙擊最大化的處理。 

[Winform]Media Player播放控制台控制，單擊事件截獲