C#

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JIT Debugger for Async calls souren7713-Jul-09 3:32 souren77 13-Jul-09 3:32  I noticed that for async calls, when unhandled exception is occured, JIT debugger is not showing typical dialog box with stack trace/continue/quit buttons. Instead the standard error report dialog box with Send Report/Don't Send buttons. Is there any way to make unhandled exceptions in async calls like begininvoke/begin* to show JIT debugging dialog box? Thx Re: JIT Debugger for Async calls leppie13-Jul-09 3:47 leppie 13-Jul-09 3:47  You need to catch ThreadException IIRC. xacc.ide IronScheme - 1.0 beta 3 - out now! ((lambda (x) `((lambda (x) ,x) ',x)) '`((lambda (x) ,x) ',x)) Re: JIT Debugger for Async calls souren7713-Jul-09 4:31 souren77 13-Jul-09 4:31  well, since the question is how to _make_ c# catch itself all unhandled exceptions from within async operations, then I don't really want to catch ThreadException, unless I missed some point. DateTimePicker Custome Property... spalanivel13-Jul-09 2:24 spalanivel 13-Jul-09 2:24  Hi, I am using DateTimePicker Control to display Date in to Custom Format like 2009/07/13 (YYYY:MM:DD) But the date is not changing according to user selection. Is there any other controls in .net 2003? Thanks, Subbu Re: DateTimePicker Custome Property... DaveyM6913-Jul-09 2:26 DaveyM69 13-Jul-09 2:26  MonthCalendar[^] Dave BTW, in software, hope and pray is not a viable strategy. (Luc Pattyn) Visual Basic is not used by normal people so we're not covering it here. (Uncyclopedia) Why are you using VB6? Do you hate yourself? (Christian Graus) Re: DateTimePicker Custome Property... Alan N13-Jul-09 3:05 Alan N 13-Jul-09 3:05  Hi, You have probably made simple mistake in the format string. The following will output e.g. 2009/07/13. Note that you have to enable custom formatting via the Format property. dateTimePicker1.Format = DateTimePickerFormat.Custom; dateTimePicker1.CustomFormat = "yyyy/MM/dd"; Alan. Re: DateTimePicker Custome Property... spalanivel13-Jul-09 3:10 spalanivel 13-Jul-09 3:10  Thanks a Lot. Now it works well. reading data sent through GPRS in C# Member 305788713-Jul-09 2:05 Member 3057887 13-Jul-09 2:05  Hi, I am working on a project involving communication using GPRS. We have a GPRS enabled modem that sends data to server at regular intervals. All I have to do is develop a service that reads the data sent from GPRS enabled modem and save into database. I request any one who has experience in these type of projects to guide me in three things. 1.How to establish connection between Modem and Server 2.How to read data received by the server 3.How to close the connection Thanks in advance Re: reading data sent through GPRS in C# Jimmanuel13-Jul-09 3:37 Jimmanuel 13-Jul-09 3:37  Your question is way too broad for a specific answer; in general terms the answer is this: 1) figure out how the device is sending data (read the documentation) 2) code your service accordingly I'm doing the same thing right now - here's what I encountered. Our devices are configurable; we chose UDP sockets as our preferred communication method so we programmed the devices with the required commands and then used this[^] in a service on the server to read incoming data. The other option was to use TCP/IP in which case we would've used this[^] and this[^] on the server to receive data from the devices. All of those classes have methods for opening and closing connections (if applicable) and reading data. We ruled out comms via SMS on a cost basis. Hope that helps. Jim Control Box Color half-life13-Jul-09 2:05 half-life 13-Jul-09 2:05  hi, is there away to change the controlbox color thanks Have Fun Never forget it Re: Control Box Color Henry Minute13-Jul-09 3:02 Henry Minute 13-Jul-09 3:02  What is 'the controlbox'? Henry Minute Do not read medical books! You could die of a misprint. - Mark Twain Girl: (staring) "Why do you need an icy cucumber?" “I want to report a fraud. The government is lying to us all.” Re: Control Box Color half-life15-Jul-09 19:30 half-life 15-Jul-09 19:30  the bar containg the name of the app, the icon, maximize, etc... Have Fun Never forget it Re: Control Box Color Henry Minute16-Jul-09 2:08 Henry Minute 16-Jul-09 2:08  Take a look at this[^], just one hit from googling for custom borders on windows forms Henry Minute Do not read medical books! You could die of a misprint. - Mark Twain Girl: (staring) "Why do you need an icy cucumber?" “I want to report a fraud. The government is lying to us all.” Re: Control Box Color half-life16-Jul-09 20:40 half-life 16-Jul-09 20:40  Thanls Have Fun Never forget it Re: Control Box Color Dave Kreskowiak13-Jul-09 4:36 Dave Kreskowiak 13-Jul-09 4:36  No, there isn't. It's always painted using the system colors. A guide to posting questions on CodeProject[^] Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic      2006, 2007, 2008 Re: Control Box Color half-life15-Jul-09 19:29 half-life 15-Jul-09 19:29  thanks wait, mmmmm, change the system colors, that an idea thanks Have Fun Never forget it Re: Control Box Color Dave Kreskowiak16-Jul-09 15:55 Dave Kreskowiak 16-Jul-09 15:55  half-life wrote: change the system colors, that an idea No it's not, since any change you make there affects ALL applications and windows, not just your apps. Changing system-wide settings just to make your app look pretty will ultimately get your app uninstalled. A guide to posting questions on CodeProject[^] Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic      2006, 2007, 2008 But no longer in 2009... Re: Control Box Color half-life16-Jul-09 20:42 half-life 16-Jul-09 20:42  Yep, yuor'e right, that i knew a second Later, but what thw hack i'm doing this for my own eyes Have Fun Never forget it media not adding to play list uglyeyes13-Jul-09 1:52 uglyeyes 13-Jul-09 1:52  Hi! below is my codes. I am trying to play all the files in a playlist but it only plays one and stops [STAThread] static void Main() { Application.Run(new Form1()); Form1 frm = new Form1(); frm.queueMedia(); } private void queueMedia() { string mediasource = "C:\\Test\\Media"; string[] filenames = Directory.GetFiles(mediasource); foreach (string filename in filenames) { PlayMedia(filename); } } private void PlayMedia(string filename) { CleanUp(); m_objFilterGraph = new FilgraphManager(); m_objFilterGraph.RenderFile(filename); m_objBasicAudio = m_objFilterGraph as IBasicAudio; try { m_objVideoWindow = m_objFilterGraph as IVideoWindow; m_objVideoWindow.Owner = (int)panel1.Handle; m_objVideoWindow.WindowStyle = WS_CHILD | WS_CLIPCHILDREN; m_objVideoWindow.SetWindowPosition(panel1.ClientRectangle.Left, panel1.ClientRectangle.Top, panel1.ClientRectangle.Width, panel1.ClientRectangle.Height); } catch (Exception) { m_objVideoWindow = null; } m_objMediaEvent = m_objFilterGraph as IMediaEvent; m_objMediaEventEx = m_objFilterGraph as IMediaEventEx; m_objMediaEventEx.SetNotifyWindow((int)this.Handle, WM_GRAPHNOTIFY, 0); m_objMediaPosition = m_objFilterGraph as IMediaPosition; m_objMediaControl = m_objFilterGraph as IMediaControl; this.Text = "DirectShow - [" + filename + "]"; m_objMediaControl.Run(); m_CurrentStatus = MediaStatus.Running; UpdateStatusBar(); UpdateToolBar(); } private void CleanUp() { if (m_objMediaControl != null) m_objMediaControl.Stop(); m_CurrentStatus = MediaStatus.Stopped; if (m_objMediaEventEx != null) m_objMediaEventEx.SetNotifyWindow(0, 0, 0); if (m_objVideoWindow != null) { m_objVideoWindow.Visible = 0; m_objVideoWindow.Owner = 0; } if (m_objMediaControl != null) m_objMediaControl = null; if (m_objMediaPosition != null) m_objMediaPosition = null; if (m_objMediaEventEx != null) m_objMediaEventEx = null; if (m_objMediaEvent != null) m_objMediaEvent = null; if (m_objVideoWindow != null) m_objVideoWindow = null; if (m_objBasicAudio != null) m_objBasicAudio = null; if (m_objFilterGraph != null) m_objFilterGraph = null; } private void menuItem4_Click(object sender, System.EventArgs e) { this.Close(); } private void Form1_SizeChanged(object sender, System.EventArgs e) { if (m_objVideoWindow != null) { m_objVideoWindow.SetWindowPosition(panel1.ClientRectangle.Left, panel1.ClientRectangle.Top, panel1.ClientRectangle.Width, panel1.ClientRectangle.Height); } } private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e) { switch(toolBar1.Buttons.IndexOf(e.Button)) { case 0: m_objMediaControl.Run(); m_CurrentStatus = MediaStatus.Running; break; case 1: m_objMediaControl.Pause(); m_CurrentStatus = MediaStatus.Paused; break; case 2: m_objMediaControl.Stop(); m_objMediaPosition.CurrentPosition = 0; m_CurrentStatus = MediaStatus.Stopped; break; } UpdateStatusBar(); UpdateToolBar(); } protected override void WndProc( ref Message m) { if (m.Msg == WM_GRAPHNOTIFY) { int lEventCode; int lParam1, lParam2; while (true) { try { m_objMediaEventEx.GetEvent(out lEventCode, out lParam1, out lParam2, 0); m_objMediaEventEx.FreeEventParams(lEventCode, lParam1, lParam2); if (lEventCode == EC_COMPLETE) { m_objMediaControl.Stop(); m_objMediaPosition.CurrentPosition = 0; m_CurrentStatus = MediaStatus.Stopped; UpdateStatusBar(); UpdateToolBar(); } } catch (Exception) { break; } } } base.WndProc(ref m); } private void timer1_Tick(object sender, System.EventArgs e) { if (m_CurrentStatus == MediaStatus.Running) { UpdateStatusBar(); } } private void UpdateStatusBar() { switch (m_CurrentStatus) { case MediaStatus.None : statusBarPanel1.Text = "Stopped"; break; case MediaStatus.Paused : statusBarPanel1.Text = "Paused "; break; case MediaStatus.Running: statusBarPanel1.Text = "Running"; break; case MediaStatus.Stopped: statusBarPanel1.Text = "Stopped"; break; } if (m_objMediaPosition != null) { int s = (int) m_objMediaPosition.Duration; int h = s / 3600; int m = (s - (h * 3600)) / 60; s = s - (h * 3600 + m * 60); statusBarPanel2.Text = String.Format("{0:D2}:{1:D2}:{2:D2}", h, m, s); s = (int) m_objMediaPosition.CurrentPosition; h = s / 3600; m = (s - (h * 3600)) / 60; s = s - (h * 3600 + m * 60); statusBarPanel3.Text = String.Format("{0:D2}:{1:D2}:{2:D2}", h, m, s); } else { statusBarPanel2.Text = "00:00:00"; statusBarPanel3.Text = "00:00:00"; } } private void UpdateToolBar() { switch (m_CurrentStatus) { case MediaStatus.None : toolBarButton1.Enabled = false; toolBarButton2.Enabled = false; toolBarButton3.Enabled = false; break; case MediaStatus.Paused : toolBarButton1.Enabled = true; toolBarButton2.Enabled = false; toolBarButton3.Enabled = true; break; case MediaStatus.Running: toolBarButton1.Enabled = false; toolBarButton2.Enabled = true; toolBarButton3.Enabled = true; break; case MediaStatus.Stopped: toolBarButton1.Enabled = true; toolBarButton2.Enabled = false; toolBarButton3.Enabled = false; break; } } private void menuItem5_Click(object sender, System.EventArgs e) { Form2 dlg = new Form2(); dlg.ShowDialog(); } } please help Re: media not adding to play list Anindya Chatterjee13-Jul-09 2:09 Anindya Chatterjee 13-Jul-09 2:09  Don't use foreach (string filename in filenames) { PlayMedia(filename); } Instead write an event. When one song is completed, fire that event within WndProc if (lEventCode == EC_COMPLETE) { m_objMediaControl.Stop(); m_objMediaPosition.CurrentPosition = 0; m_CurrentStatus = MediaStatus.Stopped; UpdateStatusBar(); UpdateToolBar(); // Fire that event } Then clean up and start the next song. Hope it will help Anindya Chatterjee -------------------------------------------------------- 1. Don't Visit ..[^] 2. But Watch .. Re: media not adding to play list uglyeyes13-Jul-09 2:22 uglyeyes 13-Jul-09 2:22  Hi! thanks, I am new to c# and also media files. could you please provide me a snippet as to how this can be achieved. I also need to delete it from file list once played. thanks in advance. Re: media not adding to play list Anindya Chatterjee13-Jul-09 2:57 Anindya Chatterjee 13-Jul-09 2:57  Sorry friend, Today I am in a bit hurry. Currently I am in my office. You can consult any preliminary C# book on how to create an event and fire it. It is a very simple one. Sorry again, don't mind Anindya Chatterjee -------------------------------------------------------- 1. Don't Visit ..[^] 2. But Watch .. Re: media not adding to play list [modified] uglyeyes13-Jul-09 4:01 uglyeyes 13-Jul-09 4:01  I refered to this one http://www.switchonthecode.com/tutorials/csharp-snippet-tutorial-custom-event-handlers[^] but still dont know how to use it so that it plays next one modified on Monday, July 13, 2009 7:26 PM Re: media not adding to play list uglyeyes13-Jul-09 17:54 uglyeyes 13-Jul-09 17:54  based on what you have said, I created below delege method public delegate void PlayNextFileEventHandler(string nextFile); public event PlayNextFileEventHandler PlayNextFile; private string file; public string FileToPlay { get { return this.file; } set { this.file = value; if (this.PlayNextFile != null) this.PlayNextFile(value); } } codes in main [STAThread] static void Main() { Application.Run(new Form1()); Form1 frm = new Form1(); frm.PlayNextFile += new PlayNextFileEventHandler(queueMedia); } static void queueMedia(object source, MyEventArgs e) { string mediasource = "C:\\Test\\Media"; string[] filenames = Directory.GetFiles(mediasource); foreach (string filename in filenames) { PlayMedia(filename); } } not sure how to raise the event so that it plays next file. could someone please help? Re: media not adding to play list uglyeyes14-Jul-09 13:39 uglyeyes 14-Jul-09 13:39  ok, could someone please show me how to play the files sequentially in above codes. thank you

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