private void buttonStopPresenting_Click(object sender, RoutedEventArgs e)
{
ShareableContent selectedContent = (ShareableContent)listBoxContentBin.SelectedItem;
if (selectedContent != null)
{
int reason; // if can invoke returns false, you can get the reason from here.
if (selectedContent.CanInvoke(ShareableContentAction.StopPresenting, out reason))
{
selectedContent.StopPresenting();
}
}
else
{
Log("Select a content from Content Bin first");
}
}
private void buttonCreatePPT_Click(object sender, RoutedEventArgs e)
{
// title of each content should be different
title = textBoxTitle.Text;
try
{
if (_contentModality.CanInvoke(ModalityAction.CreateShareablePowerPointContent))
{
// This way of calling will block the app until Content is created. To create a more responsive app you can
// use an AsyncCallback Delegate to end this asynchoronous opertation. More information about this C# concept
// can be found on MSDN
IAsyncResult result = _contentModality.BeginCreateContentFromFile(ShareableContentType.PowerPoint, title, textBoxPPTFilePath.Text, true, null, null);
ShareableContent pptContent = _contentModality.EndCreateContentFromFile(result);
// The newly created content is only present on local computer. Lets upload it to conference
// where other users can also see the content listed in their content bin.
int reason; // if can invoke returns false, you can get the reason from here.
if (pptContent.CanInvoke(ShareableContentAction.Upload, out reason))
{
pptContent.Upload();
// above call will start uploading the content to conference. Once the content is ready its
// state will change from Offline to Online thats when Present() can be called.
}
}
}
catch (NullReferenceException)
{
Log("Null Reference Exception: Did you create the conversation first? If yes, try restarting the sample.");
}
catch (ContentTitleExistException)
{
Log("Content Title Exists Exception: Please enter a unique title and try again.");
}
catch (LyncClientException)
{
Log("Enter a valid path to the PowerPoint presentation.");
}
catch (Exception excep)
{
Log(excep.ToString());
}
}
private void buttonShareWhiteBoard_Click(object sender, RoutedEventArgs e)
{
// title of each content should be different
title = textBoxTitle.Text;
try
{
if (_contentModality.CanInvoke(ModalityAction.CreateShareableWhiteboardContent))
{
// This way of calling will block the app until Content is created. To create a more responsive app you can
// use an AsyncCallback Delegate to end this asynchoronous opertation. More information about this C# concept
// can be found on MSDN
IAsyncResult result = _contentModality.BeginCreateContent(ShareableContentType.Whiteboard, title, null, null);
whiteBoardContent = _contentModality.EndCreateContent(result);
whiteBoardContent.StateChanged += new EventHandler <ShareableContentStateChangedEventArgs>(whiteBoardContent_StateChanged);
// The newly created content is only present on local computer. Lets upload it to conference
// where other users can also see the content listed in their content bin.
int reason; // if can invoke returns false, you can get the reason from here.
if (whiteBoardContent.CanInvoke(ShareableContentAction.Upload, out reason))
{
whiteBoardContent.Upload();
// above call will start uploading the content to conference. Once the content is ready its
// state will change from Offline to Online thats when Present() can be called.
}
}
}
catch (ContentTitleExistException)
{
Log("Title already exists. Please enter a unique title and try again.");
}
catch (NullReferenceException)
{
Log("Null Reference Exception: Did you create the conversation first? If yes, you can try restarting the sample.");
}
}
/// <summary>
/// 共享电子白板
/// </summary>
public static void ShareWhiteboard(ConversationWindow conversationWindow, string selfName, Action callBack)
{
try
{
if (conversationWindow != null)
{
DispatcherTimer timer1 = null;
TimerJob.StartRun(new Action(() =>
{
if (conversationWindow.Conversation == null)
{
timer1.Stop();
return;
}
//获取电子白板启动模型实例
ContentSharingModality contentShareingModality = (ContentSharingModality)conversationWindow.Conversation.Modalities[ModalityTypes.ContentSharing];
DispatcherTimer timer2 = null;
//查看是否可以共享白板
var canShareWhiteboard = contentShareingModality.CanInvoke(ModalityAction.CreateShareableWhiteboardContent);
if (canShareWhiteboard)
{
if (contentShareingModality.CanInvoke(ModalityAction.Connect))
{
contentShareingModality.BeginConnect(null, null);
}
//获取共享白板的名称
string whiteShareName = GetWhiteShareName(selfName, whiteBoardShareName);
if (contentShareingModality.CanInvoke(ModalityAction.CreateShareableWhiteboardContent))
{
//创建一个默认的电子白板
IAsyncResult result = contentShareingModality.BeginCreateContent(ShareableContentType.Whiteboard, whiteShareName, null, null);
//结束提交
ShareableContent whiteBoardContent = contentShareingModality.EndCreateContent(result);
TimerJob.StartRun(new Action(() =>
{
int reason; //【在此可监控异常】
if (whiteBoardContent.CanInvoke(ShareableContentAction.Upload, out reason))
{
//电子白板上传
whiteBoardContent.Upload();
}
if (whiteBoardContent.State == ShareableContentState.Online)
{
timer2.Stop();
//当前呈现（电子白板）
whiteBoardContent.Present();
if (callBack != null)
{
callBack();
}
}
}), 10, out timer2);
timer1.Stop();
}
}
}), 400, out timer1);
}
else
{
MessageBox.Show("使用电子白板共享之前先选择一个会话", "操作提示", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
catch (Exception ex)
{
LogManage.WriteLog(typeof(LyncHelper), ex);
}
}