/// <summary>
/// Finds a list item which holds a message.
/// </summary>
/// <param name="message">Message to search for.</param>
/// <returns>Message which contains the message if found, else null</returns>
private MessageListViewItem FindListItem(System.Messaging.Message message)
{
MessageListViewItem result = null;
foreach (ListViewItem item in messagesListView.Items)
{
MessageListViewItem messageItem = item as MessageListViewItem;
if (messageItem != null && messageItem.Message == message)
{
result = messageItem;
break;
}
}
return(result);
}
/// <summary>
/// Adds a message to the list view.
/// </summary>
/// <param name="messageItem">Message to add.</param>
private void AddMessageItemToListView(MessageListViewItem messageItem)
{
messagesListView.Items.Add(messageItem);
}
/// <summary>
/// Gets a snap shot of the current queue, and loads in the the list view.
/// </summary>
private void GetSnapShotCallBack(object state)
{
bool isTaskAborted = false;
//set up reference to worker thread before releasing initiating thread
_messageLoadThread = Thread.CurrentThread;
_startedEvent.Set();
try
{
if (_userSettings.MessageBrowserColumnListCollection.Count > 0)
{
//set the read filter and matching column headers
PropertyInfo[] messagePropertyInfoArray;
PrepareReadPropertyFilterAndListViewColumns(out messagePropertyInfoArray);
//check we are OK for load
if (_qSetQueueItem != null)
{
//if (_qSetQueueItem.QSetMessageQueue.CanRead)
//{
System.Messaging.Message[] messagesSnapShot;
try
{
//retrieve all messages
messagesSnapShot = _qSetQueueItem.QSetMessageQueue.GetAllMessages();
}
catch (System.Messaging.MessageQueueException mQexc)
{
throw new UnableToReadQueueException(string.Format(Locale.UserMessages.UnableToReadQueueDueToError,
string.Format("{0} HRESULT/MSMQ Error: {1}/{2}.", mQexc.Message, mQexc.ErrorCode, mQexc.MessageQueueErrorCode) ));
}
catch (Exception exc)
{
throw new UnableToReadQueueException(string.Format(Locale.UserMessages.UnableToReadQueueDueToError, exc.Message));
}
//load all of the messages into the list view
Action ffs = () => workingPanel.Visible = false;
workingPanel.Invoke(ffs);
foreach (System.Messaging.Message message in messagesSnapShot)
{
//create the list view item
object propertyValue = "Not Available";
try
{
//TODO fine tune this, so we 'black list' properties which fail
// (some are not available on workgroup machines)
propertyValue = messagePropertyInfoArray[0].GetValue(message, null);
}
catch {}
string propertyValueString = propertyValue == null ? "" : propertyValue.ToString();
MessageListViewItem messageItem =
new MessageListViewItem(message, propertyValueString, (int)Images.IconType.Message);
//add all of the column data
if (_userSettings.MessageBrowserColumnListCollection.Count > 1)
{
for (int i = 1; i <= messagePropertyInfoArray.GetUpperBound(0); i ++)
{
string subItemPropertyValue = "Not available";
try
{
//TODO fine tune this, so we 'black list' properties which fail
// (some are not available on workgroup machines)
subItemPropertyValue = messagePropertyInfoArray[i].GetValue(message, null).ToString();
}
catch {}
messageItem.SubItems.Add(subItemPropertyValue);
}
}
//add the item into the list on a safe thread
if (messagesListView.InvokeRequired)
messagesListView.Invoke(new AddMessageItemToListViewDelegate(AddMessageItemToListView), new object[] {messageItem});
else
AddMessageItemToListView(messageItem);
}
//}
//else
//{
//insufficient access to read queue
// throw new UnableToReadQueueException(Locale.UserMessages.UnableToReadQueueDueToInsufficientAccessRights);
//}
}
}
}
catch (Exception exc)
{
if (exc is ThreadAbortException)
isTaskAborted = true;
else if (exc is UnableToReadQueueException)
OnMessageLoadException(new MessageLoadExceptionEventArgs(exc));
else
OnMessageLoadException(new MessageLoadExceptionEventArgs(new UnableToReadQueueException(string.Format(Locale.UserMessages.UnableToReadQueueDueToError, exc.Message), exc)));
}
finally
{
if (!isTaskAborted)
FinishMessageLoad(false);
}
}
/// <summary>
/// Gets a snap shot of the current queue, and loads in the the list view.
/// </summary>
private void GetSnapShotCallBack(object state)
{
bool isTaskAborted = false;
//set up reference to worker thread before releasing initiating thread
_messageLoadThread = Thread.CurrentThread;
_startedEvent.Set();
try
{
if (_userSettings.MessageBrowserColumnListCollection.Count > 0)
{
//set the read filter and matching column headers
PropertyInfo[] messagePropertyInfoArray;
PrepareReadPropertyFilterAndListViewColumns(out messagePropertyInfoArray);
//check we are OK for load
if (_qSetQueueItem != null)
{
//if (_qSetQueueItem.QSetMessageQueue.CanRead)
//{
System.Messaging.Message[] messagesSnapShot;
try
{
//retrieve all messages
messagesSnapShot = _qSetQueueItem.QSetMessageQueue.GetAllMessages();
}
catch (System.Messaging.MessageQueueException mQexc)
{
throw new UnableToReadQueueException(string.Format(Locale.UserMessages.UnableToReadQueueDueToError,
string.Format("{0} HRESULT/MSMQ Error: {1}/{2}.", mQexc.Message, mQexc.ErrorCode, mQexc.MessageQueueErrorCode)));
}
catch (Exception exc)
{
throw new UnableToReadQueueException(string.Format(Locale.UserMessages.UnableToReadQueueDueToError, exc.Message));
}
//load all of the messages into the list view
Action ffs = () => workingPanel.Visible = false;
workingPanel.Invoke(ffs);
List <MessageListViewItem> allMessageList = new List <MessageListViewItem>();
int messageCount = 0;
foreach (System.Messaging.Message message in messagesSnapShot)
{
//create the list view item
object propertyValue = "Not Available";
try
{
//TODO fine tune this, so we 'black list' properties which fail
// (some are not available on workgroup machines)
propertyValue = messagePropertyInfoArray[0].GetValue(message, null);
}
catch {}
string propertyValueString = propertyValue == null ? "" : propertyValue.ToString();
MessageListViewItem messageItem =
new MessageListViewItem(message, propertyValueString, (int)Images.IconType.Message);
//add all of the column data
if (_userSettings.MessageBrowserColumnListCollection.Count > 1)
{
for (int i = 1; i <= messagePropertyInfoArray.GetUpperBound(0); i++)
{
string subItemPropertyValue = "Not available";
try
{
//TODO fine tune this, so we 'black list' properties which fail
// (some are not available on workgroup machines)
subItemPropertyValue = messagePropertyInfoArray[i].GetValue(message, null).ToString();
}
catch {}
messageItem.SubItems.Add(subItemPropertyValue);
}
}
//add the item into the list on a safe thread
allMessageList.Add(messageItem);
messageCount++;
if (messageCount >= this.MaxRowShow)
{
break;
}
}
if (allMessageList.Count > 0)
{
if (messagesListView.InvokeRequired)
{
messagesListView.Invoke(new AddMessageItemToListViewDelegate(AddMessageItemToListView), new object[] { allMessageList.ToArray() });
}
else
{
AddMessageItemToListView(allMessageList.ToArray());
}
}
//}
//else
//{
//insufficient access to read queue
// throw new UnableToReadQueueException(Locale.UserMessages.UnableToReadQueueDueToInsufficientAccessRights);
//}
}
}
}
catch (Exception exc)
{
if (exc is ThreadAbortException)
{
isTaskAborted = true;
}
else if (exc is UnableToReadQueueException)
{
OnMessageLoadException(new MessageLoadExceptionEventArgs(exc));
}
else
{
OnMessageLoadException(new MessageLoadExceptionEventArgs(new UnableToReadQueueException(string.Format(Locale.UserMessages.UnableToReadQueueDueToError, exc.Message), exc)));
}
}
finally
{
if (!isTaskAborted)
{
FinishMessageLoad(false);
}
}
}
/// <summary>
/// Adds a message to the list view.
/// </summary>
/// <param name="messageItem">Message to add.</param>
private void AddMessageItemToListView(MessageListViewItem messageItem)
{
messagesListView.Items.Add(messageItem);
}