Lync SDK上的桌面共享，應用程序模態返回null

Question

單擊按鈕時，應激活活動對話窗口的桌面共享事件。在點擊該按鈕，我們有下面的代碼：

 private void StartSharingResource_Button_Click(object sender, EventArgs e) 
     { 

      //If there is no active conversation to share this resource in, return from handler 
      if (_conversation == null) 
      { 
       return; 
      } 

      //If there is no sharing modality stored locally on the active conversation, get it from the active conversation and store it. 
      if (_sharingModality == null) 
      { 
       _sharingModality = _conversation.Modalities[ModalityTypes.ApplicationSharing] as ApplicationSharingModality; 
      } 

     } 

在對話增加甚至我們獲取的談話方式

void ConversationManager_ConversationAdded(object sender, Microsoft.Lync.Model.Conversation.ConversationManagerEventArgs e) 
     { 
      _sharingModality = (ApplicationSharingModality)_conversation.Modalities[ModalityTypes.ApplicationSharing]; 

} 

在這兩個部分_conversation.Modalities [ModalityTypes.ApplicationSharing]即將爲空並且我們得到一個對象引用錯誤。我們正在使用LYNC SDK - 15.0.4603.1000版本。

Answer 1

您的Lync SDK版本高於您的Lync客戶端版本，因此無法保證一些API調用。請應用Microsoft的最新Lync修補程序。