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Windows Services, by default, run under the Local System account, which has no rights to any network resources on any machine. If you want your service to be able to get to a shared network resource, you'll have to change the account that the service runs under.
Right-click "My Computer" and click Manage. In the left pane of the MMC, expand Services and Applications. Click Services, then find your service in the right pane and double-click it. Click on the LogOn tab, then click on "This account". Type in the account name and password of an account that has permissions to the share you want the service to be able to get to, then click OK.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Can someone please tell me how to call a C/C++ function that is in a .c or .cpp file from C#?
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Hello
If the function is written on C, you can create a DLL exporting this function. Than you can interop it in C# using DllImport.
With best regards,
Andrew
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Thanks Andrew,
And the same if it's written in C++?
Can you please guide me to an article or so,so I can follow it step by step?I have never tried creating a C++ dll before?
Thanks and Best Regards,
E.A.
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You can browse this[^] site for question about interoping API or other functions.
It's not simple to use C++ dll from C#. More of it, there is no approaches for it known to me.
If you have a C++ class you can try to use it with MC++ (Managed C++) using IJW (it just works) technology.
With best regards,
Andrew
-- modified at 7:44 Tuesday 13th September, 2005
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Thanks for trying to help out.
I have heard about MC++ but I havent' heard about IJT. Does this mean that after using my class with MC++ that I can call it directly from .NET or what?
Best Regards,
E.A.
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Oh, sorry me very much. It's called IJW - "it just works" 
Look here[^] and here[^].
You can create a library on MC++ and use it from C# as any other .NET assembly.
With best regards,
Andrew
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Thanks a lot Andrew,
Hope this might help me sort it out.
Best Regards,
E.A.
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Anyone know how to access the scroll bars in a .NET TextBox control? I'm trapping the VScroll event which works fine except for when the user drags the scroll thumb, which for some reason doesn't fire the event. The only way I can think of is to trap the event at the ScrollBar level, but there doesn't appear to be a way to get hold of them programmatically.
TIA
Ian.
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Do you mean that you want to handle event fired when the user drag the scroll thumb?
MCAD
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Thanks for your reply - yes, that's what I wanted to do. I think I've found the solution (although you may know a better way), by overriding WndProc in the TextBox as demonstrated in Help:
protected override void WndProc(ref Message m)
{
base.WndProc(ref m); // Do first to fire the event after the text has scrolled
// Listen for operating system messages.
switch (m.Msg)
{
case WM_VSCROLL:
short shtNotif = (short)((int)m.WParam & 0xffff);
if (shtNotif == SB_THUMBPOSITION ||
shtNotif == SB_THUMBTRACK)
{
this.OnVScroll(new System.EventArgs());
}
break;
}
}
Ian.
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good you found the solution
this was what i will suggest if you didn't found the solution to override WndProc and catch WM_VSCROLL so this only solution i know
MCAD
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Any pointers, suggestions, links, hints on making an enterprise app database independent... Thanks…
Salil Khedkar [^]
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there are many O/R Mappers which try to be database indpendent they differ of the number of database they support there some free like NHibernate[^]
try to google O/R Mapping
MCAD
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Here is a small example which i did,
Create a form with button, label, textbox, and progressbar on it (I just use the default names in this example).
Create two methods on the form, one that updates the label, and one that updates the progress bar.
Code:
private void UpdateLabel()
{
label1.BackColor=Color.Red;
}
private void UpdateProgress()
{
progressBar1.PerformStep();
}
Create a class that does the thread work, in this case it will start a timer, and invoke methods above for the form each time the timer elapses.
Code:
private class ThreadRunner
{
private Form1 _form;
private int _delay;
private System.Threading.Timer _timer;
public ThreadRunner(Form1 mainForm,int delayInSeconds)
{
_form=mainForm;
_delay=delayInSeconds;
}
public void Go()
{
_timer=new System.Threading.Timer(new TimerCallback(this.TimerElapsed),null,0,10);
while (_timer!=null)
Thread.Sleep(0); // Do nothing until timer has stopped
}
public void TimerElapsed(object o)
{
_delay--;
_form.Invoke(new MethodInvoker(_form.UpdateProgress));
if (_delay<=0)
{
_form.Invoke(new MethodInvoker(_form.UpdateLabel));
_timer.Dispose();
_timer=null;
}
}
}
Add code to start an object of the class defined above:
Code:
private void button1_Click(object sender, System.EventArgs e)
{
int timeToRun=Int32.Parse(textBox1.Text);
progressBar1.Maximum=timeToRun;
progressBar1.Step=1;
ThreadRunner tr=new ThreadRunner(this,timeToRun);
Thread t=new Thread(new ThreadStart(tr.Go));
t.Start();
}
Inthis u can see that for a specify seconds in the textbox, ,label glows red after the progress bar completes.
so now wht i need is that to do another thing in the above example,that is ..that giving a time in
the text box....say 3:00 pm....
then the label should turn red at 3:00pm..
i mean giving the system timing ,... then we should give a time in the text box,
then the button click property should be done at the specified time in the text box.
how can i do this in the above method....please can u help me to do this.
js
-- modified at 3:39 Tuesday 13th September, 2005
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how do i get the index of first visible row in datagrid 
bye
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i found ... 
FieldInfo fi = typeof(DataGrid).GetField("firstVisibleRow",BindingFlags.NonPublic | BindingFlags.Instance);
int rownum = Convert.ToInt32(fi.GetValue(dataGrid1));
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I have a combobox in my c# windows application. I want to store two values in a combobox item.
Add method in the combobox class allows add only one variable and we can call the value by
combobox.SelectedItem.ToString();
but i want to store additional variable.
Example: I want to add student name in the combo box with student id.
Please Help!!!
Thanks
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You can add whatever you want to the combobox Item collection - it's a collection of objects!
What's being displayed in the combobox is the result of an item's ToString() method, so if you create a class Student with name, id, ... and then override ToString() to return just the name that's exactly the way to go.
Regards,
mav
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An example of what Mav told you
public class ComboItemEx
{
private int id;
private string name;
private string address;
public int ID
{
get
{
return id;
}
set
{
id=value;
}
}
public string Name
{
get
{
return name ;
}
set
{
name=value;
}
}
public string Address
{
return address;
}
set
{
address=value;
}
public override ToString()
{
return name;
}
}
and some where you can add it
CombobItemEx cbi=new CombobItemEx();
cbi.ID=44;
cbi.Name="my name";
cbi.Address="my address"
comboBox1.Items.Add(cbi)
MCAD
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Hey, I need to authenticate a user in windows ,when he tries to access my machine,I want to do it in the same way,as it happens in Windows using Tokens.I have to implement it in .Net Framework1.1 ,plz help its urgent
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akshayswaroop wrote:
when he tries to access my machine
That's really vague. If your talking about the shared resources on your machine, Windows authenticates the credentials automatically. A better explanation of what your trying to do would help greatly.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Microsoft.Samples.Security.SSPI this is the answer to my problem
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You never really explained what your problem was...
But I'm glad you found something that works for you.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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