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在 Lync 中检测来电

发布于 2025-01-03 22:00:02 字数 374 浏览 1 评论 0原文

我正在尝试在 Lync 客户端中检测来电。这是通过在 Lync 客户端中订阅 ConversationManager.ConversationAdded 事件来完成的，如此中所述post

但是，通过使用此方法，如果在呼叫者呼叫之前与呼叫者的对话窗口已打开，我将无法检测来电。例如，如果我正在与朋友聊天，因此打开了对话窗口，并且该朋友决定给我打电话，则不会触发 ConversationAdded 事件。

当我已经与呼叫者进行有效对话时，如何检测来电？

谢谢，尼克拉斯

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盗梦空间 2025-01-10 22:00:02

您需要监视对话模式的状态。两种可用的模式是 IM 和 AV，因此您需要监视这些模式的状态更改，如下所示：

void ConversationManager_ConversationAdded(object sender, Microsoft.Lync.Model.Conversation.ConversationManagerEventArgs e)
{
    e.Conversation.Modalities[ModalityTypes.InstantMessage].ModalityStateChanged += IMModalityStateChanged;
    e.Conversation.Modalities[ModalityTypes.AudioVideo].ModalityStateChanged += AVModalityStateChanged;
}

void IMModalityStateChanged(object sender, ModalityStateChangedEventArgs e)
{
    if (e.NewState == ModalityState.Connected)
        MessageBox.Show("IM Modality Connected");
}

void AVModalityStateChanged(object sender, ModalityStateChangedEventArgs e)
{
    if (e.NewState == ModalityState.Connected)
        MessageBox.Show("AV Modality Connected");
}

此示例使用 ConversationAdded 事件来连接模式更改的事件处理程序，因此这仅适用于以下对话：在您的应用程序运行时启动。要对应用程序启动之前已处于活动状态的对话执行相同的操作，您可以将此代码添加到应用程序的启动例程中：

foreach (var conv in _lync.ConversationManager.Conversations)
{
    conv.Modalities[ModalityTypes.InstantMessage].ModalityStateChanged += new EventHandler<ModalityStateChangedEventArgs>(IMModalityStateChanged);
    conv.Modalities[ModalityTypes.AudioVideo].ModalityStateChanged += new EventHandler<ModalityStateChangedEventArgs>(AVModalityStateChanged);
}

You need to monitor the states of the modalities on the conversation. The two avaiable modalities are IM and AV, so you'll need to watch for state changes on these, like so:

void ConversationManager_ConversationAdded(object sender, Microsoft.Lync.Model.Conversation.ConversationManagerEventArgs e)
{
    e.Conversation.Modalities[ModalityTypes.InstantMessage].ModalityStateChanged += IMModalityStateChanged;
    e.Conversation.Modalities[ModalityTypes.AudioVideo].ModalityStateChanged += AVModalityStateChanged;
}

void IMModalityStateChanged(object sender, ModalityStateChangedEventArgs e)
{
    if (e.NewState == ModalityState.Connected)
        MessageBox.Show("IM Modality Connected");
}

void AVModalityStateChanged(object sender, ModalityStateChangedEventArgs e)
{
    if (e.NewState == ModalityState.Connected)
        MessageBox.Show("AV Modality Connected");
}

This sample is using the ConversationAdded event to wire up the event handlers for modality changes, so this will only work for conversations that are started while your application is running. To do the same for conversations that are already active before your application starts, you could add this code to your application's startup routine:

foreach (var conv in _lync.ConversationManager.Conversations)
{
    conv.Modalities[ModalityTypes.InstantMessage].ModalityStateChanged += new EventHandler<ModalityStateChangedEventArgs>(IMModalityStateChanged);
    conv.Modalities[ModalityTypes.AudioVideo].ModalityStateChanged += new EventHandler<ModalityStateChangedEventArgs>(AVModalityStateChanged);
}

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