Merge pull request tencentyun#118 from jingsong-liu/patch-1

fix wpf demo bug: 退出房间后无法重新开启视频通话

Author: Pmjin

Windows/WPFDemo/MainWindow.xaml.cs

@@ -237,6 +237,10 @@ public void onEnterRoom(int result)
             this.Dispatcher.Invoke(new Action(() => {
                 if (result >= 0)
                 {
+                    // 开启本地音视频流
+                    mTRTCCloud.muteLocalAudio(false);
+                    mTRTCCloud.muteLocalVideo(false);
+                    
                     // 进房成功
                     mIsEnterSuccess = true;
                 }