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hi
i want to send a message with "at commands" (and gsm modem).
i can send message and receive message.
and now that want to send a Unicode message (Arabic) can not !
can you guide me to send a Unicode with gsm modem and "at command" or any other command via serial port?
tanks
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Have a look at this web page: http://www.scampers.org/steve/sms/ It has example of sending at messages and sending Unicode sms messages so it might help you
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hi Giorgi Dalakishvili :
tanks so much.
your reference was very helpful for me.
 ![Rose | [Rose]](https://www.codeproject.com/script/Forums/Images/rose.gif)
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You are welcome
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Essentially, I want to press a key while running my application and have something happen.
Let's say I have Form with 3 TextBoxes named tb1, tb2, and tb3. What's the best way of setting things up so that when I press '1' tb1 is focused, '2' tb2 is focused, and '3' tb3 is focused. I know I can set up KeyPress events for tb1 AND tb2 AND tb3 to do this, but that seems very redundant. Is there a way where, no matter who currently has focus, I can press '1' and give tb1 focus? Thanks for the help, sorry, I'm new to C#.
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hi
give each textbox eventhandler which uses form method form.OnKeyPressed(eventhandler) and then in form keypress event handle it
Pawel
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You can set up an event handler for the forms KeyPress event. You should set Form.KeyPreview property to true in order for the form to get all the events first
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Oh, I was missing that KeyPreview to true before... cool, I got it working, thanks so much!
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You are welcome
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hi
I want to write client/server programs that have interaction with each others. If client program want to access server what should I need? Just server ip and port number!
Should I have router ip or etc?!
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hi
it depends. if you want to connect through internet you must have ip number of your computer(router) which connects to internet and direct (i don't know how it is called in english) ports used by program to your serwer.
If you want to connect through LAN serwer ip should be enough
Pawel
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hi
I want to write client/server programs that have interaction with each others. If client program want to access server what should I need? Just ip and port number!
Should I have router ip or etc?!
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In C#, I'm trying to read a text file into a combo box and use it as the items. When I try to do it, I get the newline characters and it's all smashed into one line. Any ideas or example on how to do this would be appreciated.
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How are you doing it ? File.ReadAllLines will give you a string array, which is a viable data source for a combobox.
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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I was goofing with StreamReader, this worked fine!
Thanks!
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Hi
I have to Marshal a class which is holding a collection , How to achieve this??Is there any way to Marshal a collection in a class,I know that string, bool having MarshalAs methods, but collection dont have ??
prompt reply is appreciated as it is quite urgent..
Thanks
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Hi
I want to populate a propertygrid passing treeview node argument in WPF.Please advise..I am new to WPF.
Thanks
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Hi all,
Currently am working in a project, where in my application there is a window form, holding several pages(using WPF).now i've to implement session timeout functionality in my application using window hook for keyboard and mouse. i've a implemented a timer(System.Threading)TimerCallback, which periodically examine, whether, any key board message or mouse message occure ONLY ON MY APPLICATION. this means, minimizing my application form, i can play computer game, but after certain period my application can throw timeout session.
now the problem is, delegate(by which i'm calling window hook function whenever key or mouse pressed) is firing event even if my function is minimized. (i know this will fire), but the only requirement is how i manipulate these messages (key and mouse messages)only haapen to my application window. i don't know how to do this.. please help
please go through these urls, as i'm trying to develop window hook, by help of these.....
here he has used WH_KEYBOARD_LL Hook which is global
1. "http://blogs.msdn.com/toub/archive/2006/05/03/589423.aspx"
2. "http://blogs.msdn.com/toub/archive/2006/05/03/589468.aspx"
Please please help...... 
-- modified at 18:14 Saturday 8th September, 2007
kamalesh
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I've read a couple of "solutions" to the problem of ensuring that only one instance of a form opens within an MDI app - notably this one http://www.codeproject.com/csharp/single_instance.asp[^]
To me, that and other similar solutions, look overly complicated. Is there anything particularly wrong with using the following?
<br />
uxLoginForm login = null;<br />
<br />
private void toolStripButton1_Click(object sender, EventArgs e)<br />
{<br />
if (login == null || login.IsDisposed )<br />
login = new uxLoginForm();<br />
login.Show();<br />
}<br />
Me: Can you see the "up" arrow?
User:Errr...ummm....no.
Me: Can you see an arrow that points upwards?
User: Oh yes, I see it now!
-Excerpt from a support call taken by me, 08/31/2007
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martin_hughes wrote: Is there anything particularly wrong with using the following?
It'll work if that's what you mean, perhaps where you could improve is upon the extensibility. I haven't thought this through very much but perhaps a slightly more extensible version would be:
Dictionary<Type, Form> m_SingleInstanceForms = new Dictionary<Type, Form>();
protected Dictionary<Type, Form> SingleInstanceForms
{
get { return this.m_SingleInstanceForms; }
}
protected virtual void ActivateChildForm<T>() where T : Form, new()
{
if (!this.SingleInstanceForms.ContainsKey(typeof(T)))
{
T newForm = new T();
this.SingleInstanceForms.Add(newForm);
newForm.MdiParent = this;
}
Form formToActivate = this.SingleInstanceForms[typeof(T)];
formToActivate.Show();
formToActivate.Activate();
}
private void toolStripButton1_Click(object sender, EventArgs e)
{
this.ActivateChildForm<uxLoginForm>();
}Now you have one method which will activate (and if required, create) any class derived from System.Windows.Forms.Form.
Last modified: 1min after originally posted -- Edited bug in code
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Problem with this is that once the login form has been opened and closed once, it gets disposed, so neither the Show() or Activate() methods will work.
Easily fixed by hacking your example and adding an additional else if:
if (!this.SingleInstanceForms.ContainsKey(typeof(T)))
{
T newForm = new T();
this.SingleInstanceForms.Add(typeof(T),newForm);
newForm.MdiParent = this;
}
else if (this.SingleInstanceForms[typeof(T)].IsDisposed)
{
T newForm = new T();
this.SingleInstanceForms[typeof(T)] = newForm;
newForm.MdiParent = this;
}
But doing so looks a bit errrmm inellegant - although I'm sure that it could be refactored out to be made nicer (but it's late and I've had a couple of beers). Or microsoft could implement an UnDispose() method
Anyway, cheers - it was interesting having a look at generics, which I haven't really dipped into yet.
A quick question:
protected virtual void ActivateChildForm<T>() where T : Form, new()
I guess that the where T : Form limits what can be passed in as <T>, but what's the new() about?
Me: Can you see the "up" arrow?
User:Errr...ummm....no.
Me: Can you see an arrow that points upwards?
User: Oh yes, I see it now!
-Excerpt from a support call taken by me, 08/31/2007
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martin_hughes wrote: I guess that the where T : Form limits what can be passed in as
Correct
martin_hughes wrote: but what's the new() about?
It constrains the types passed in, they must have a default constructor (public ClassName() { }). Alternatively if you didn't what this you could use:
Activator.CreateInstance<T>(); instead of new T(). If you remove the constraint you'll see the compiler throw an exception because the class may not necessarily implement a default constructor.
martin_hughes wrote: But doing so looks a bit errrmm inellegant
One answer is to hook into the child form's closing event and remove the entry from there and dispose of it (frees up resources too).
if (!this.SingleInstanceForms.ContainsKey(typeof(T)))
{
T newForm = new T();
newForm.MdiParent = this;
newForm.FormClosing += new FormClosingEventHandler(delegate (object sender, FormClosingEventArgs e)
{
Form senderForm = (sender as Form);
senderForm.Dispose();
this.SingleInstanceForms.Remove(senderForm.GetType());
}
));
this.SingleInstanceForms.Add(typeof(T), newForm);
}
...Now you don't have to check if there's a disposed form there because they are automatically removed from the dictionary (and properly disposed of).
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Very, very cool  . You should write an article on this, as you've managed to show me all manner of things about generics and delegates. Cheers!
Me: Can you see the "up" arrow?
User:Errr...ummm....no.
Me: Can you see an arrow that points upwards?
User: Oh yes, I see it now!
-Excerpt from a support call taken by me, 08/31/2007
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martin_hughes wrote: You should write an article on this
On what exactly? The single instance thing or something on generics. What would you like to see in it?
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