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/// <summary> /// Initializes the service we need on the phone. /// </summary> private void InitializePhoneService() { // Check for a phone with a known calendar file string manuf = mCurrentPhone.Manufacturer; string model = mCurrentPhone.Model; string calendarFile = "unknown"; if((manuf == "Nokia") && ((model=="7650") || (model=="3650") || (model=="6600"))) { calendarFile = "C:\\System\\Data\\Calendar"; } else if((manuf == "SonyEricsson") && ((model=="P800") || (model=="P900"))) { calendarFile = "C:\\Documents\\Agenda\\Agenda"; } else { MessageBox.Show("The connected phone is not a recognized type", "Unrecognized Model Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return; } int errorCode = mCurrentPhone.StartService("RAGNCS", out mStream); if(errorCode != BALConnectedPhone.KErrNone) { MessageBox.Show("The Agenda plug-in was not found", "Service Missing Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } else { mStream.OnRead += new ISCBALSequentialStreamSink_OnReadEventHandler(OnRead); mStream.OnWrite += new ISCBALSequentialStreamSink_OnWriteEventHandler(OnWrite); // Clear data related to this phone mAgendaOpen = false; mGotAppts = false; // try to open an agenda file - the name depends on the phone // connected RAGNUtils.WriteOpenAgenda(mStream, ref mNextPDUId, calendarFile); mPendingRead = true; mReadingLength = true; mStream.Read(4); StatusBox.Text = "Opening Agenda File - please wait"; SetButtonStates(); } }
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/// Open agenda file by name public static void WriteOpenAgenda( BALApplicationAsyncStream aStream, ref int aNextPDUId, string aAgendaName ) { ArrayList message = new ArrayList();
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ConnPack.WriteInt32(ERAgnCmdOpenAgenda, ref message); ConnPack.WriteInt32(aNextPDUId, ref message); ConnPack.WriteUNCData(aAgendaName, ref message); aNextPDUId++; aStream.Write(ConnPack.AsByteArr(ref message)); }
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The main form for this application has a list display that allows us to display summary information on all appointments or events for a day, and controls to select the day concerned and a range of actions, as shown in Figure 13.7.
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Microsoft Windows provides a very convenient control to allow the user to select a date and so retrieving a day s worth of data can be easily initiated. In my experience, it is unlikely that a single day will have more entries than can be retrieved in one go, so we do not include support for this. If your entries are likely to include extensive notes or other data then you might need to take a different approach.
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private void FetchButton_Click(object sender, System.EventArgs e) { ClearApptList(); // Symbian OS wants a date string of the form YYYYMMDD: // Where MM and DD are the month and day numbers but zero-based. int year = DatePicker.Value.Year; int month = DatePicker.Value.Month-1; int day = DatePicker.Value.Day-1; string dateString = year.ToString() + month.ToString("D2") + day.ToString("D2") + ":";
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RAGNUtils.WriteFetchApptsByDay(mStream, ref mNextPDUId, dateString); mPendingRead = true; mReadingLength = true; mStream.Read(4); StatusBox.Text = "Fetching entries - please wait"; SetButtonStates(); } /// Fetch appointments by day - based on a date string of the form /// YYYYMMDD, where MM and DD are zero based public static void WriteFetchApptsByDay (BALApplicationAsyncStream aStream, ref int aNextPDUId, string aDate) { ArrayList message = new ArrayList(); ConnPack.WriteInt32(ERAgnCmdFetchApptsByDay, ref message); ConnPack.WriteInt32(aNextPDUId, ref message); ConnPack.WriteASCIIData(aDate, ref message); aNextPDUId++; aStream.Write(ConnPack.AsByteArr(ref message)); }
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Reading entries back follows the same pattern as for the previous applications. Note that we can expect a combination of appointments, events and anniversaries. Luckily, the differences that we care about are relatively small and so we can store all types of entry in one class.
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public class RAGNDateTime { public bool mIsNull; // Is the date time null - i.e. unset public DateTime mDate; // date and time (if not null) public RAGNDateTime() { mDate = new DateTime(); } } public class RAGNInstance { public int mInstanceId; // instance identifier public RAGNDateTime mDate; // instance date public RAGNInstance() { mDate = new RAGNDateTime(); } } public class RAGNEntry { public int mEntryType; // type - appointment, event or anniversary public RAGNInstance mInstance; // instance information public RAGNDateTime mStartDate; // start date and time public RAGNDateTime mEndDate; // end date and time public int mDisplayTime; // display time in minutes after midnight
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