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It's hard to read that unformatted code! 
What about something like this:
HWND hwndTree = ::GetDlgItem(hWnd, IDC_TREE1);
HTREEITEM Selected = TreeView_GetSelection(hwndTree);
if (NULL != Selected)
{
HTREEITEM Parent = TreeView_GetParent(hwndTree, Selected);
if (NULL != Parent)
{
...
}
}
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://codeproject.freetls.fastly.net/script/Forums/Images/coffee.gif)
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Hi,
I want to dismount the physical disk but DeviceIoControl()function with FSCTL_DISMOUNT_VOLUME control code is not work on physical disk handle.
Is FSCTL_DISMOUNT_VOLUME only used with logical drive handle?
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From the documentation: If the operation fails or is pending, DeviceIoControl returns zero (0). To get extended error information, call GetLastError.
Did you try to find out what went wrong by calling GetLastError()?
Many are stubborn in pursuit of the path they have chosen, few in pursuit of the goal - Friedrich Nietzsche
.·´¯`·->Rajesh<-·´¯`·.
[Microsoft MVP - Visual C++]
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I have a dialog with a radio button on it. This dialog is modeless and child of CView class. Can I handle the dialog messages like radio button ON_COMMAND in my view class? I am not receiving these messages in my view class. However, if I add a separate class for dialog, then messages are properly received there.
the fruits of your success will be in direct ratio to the honesty and sincerity of your own efforts in keeping your own records, doing your own thinking and, reaching your own conclusions.
..surviving in autumn..in love with spring..
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modeless dialogs don't have a message loop. so if you want to process the messages than you need a second GUI thread to launch and show the dialog!
Somethings seem HARD to do, until we know how to do them.
 _AnShUmAn_
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Sorry Message is deleted..
I have a MDI Application(class is view,mainframe and extra class is data).ANd i add dailog(class testdlg) and call it as a domodel.I add list box in dialog and add variable m_add.These m_add variable i want to call data.cpp.
Plz help me
modified on Tuesday, September 2, 2008 4:19 AM
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If your dialog is modal, you can't. But as I suggested yesterday, read a good book on MFC because you are really missing out fundamuntal concepts.
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It's realy not possible...
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MsmVc wrote: It's realy not possible...
To buy a book ? Well, then try to find some good tutorials about MFC on the net (e.g. google[^]). I think you really need to understand the basics before trying to go any further.
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Hi All
I did it.Thx's for help..
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The callback function is always used,but I wanna know its definition,function and so on.Can you give me some examples about it?
Thanks.
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Have you seen here[^]?
Many are stubborn in pursuit of the path they have chosen, few in pursuit of the goal - Friedrich Nietzsche
.·´¯`·->Rajesh<-·´¯`·.
[Microsoft MVP - Visual C++]
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I use CToolBarCtrl to create a toolbar in the dialog.
There are 5 buttons in the toolbar.
Initially I set the 3rd button checked.
But it always make the left most button focus.(Highlightly?)I don't want this.
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Hope somebody help me solve this.
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hi every one
how can i declare Default parameter in ActiveX methodes?
with special thanks
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hi
in my application i have one dll ,and 3 views.
when user clicks on one view --dll function is called(mapped to dll fun)
from that all function to i nead to send message to that view..how to doit can any one give hint....
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Hi all,
In my sdi application i have various threads running together and whenever some problem occur i close all thread and a modal dialog is displayed. Now my problem is if suppose 16 threads are running together a dialog box is displayed and when i click cancel or ok one by one 16 same dialog boxes are displayed. Now what i want is only one instance of that dialogbox should be displayed not those 16 instances.... how can i do this...
can anybody help me in this??
thanks in adavance
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Simple Solution is use flag.
when you show the dialog for first time set the flag to true and then every time check for this flag before showing dialog. If flag is true don't show the dialog..
I hope that makes sense.
Regards,
Sandip.
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ya it do make sense...
thanks it solved my problem
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Hi ,
I developed an VC application which communicates with my hardware
with baudrate 1,15200.
I observered that my application takes much time to transfer the data,
when compared to Hyperterminal.(probably 10 times)
Is it because of my coding problems or problem with windows application?
Do I need to do optimization.But still i dont think i can increase the speed,
by almost 10 times.
Why hyperterminal is taking lesser time?
Please clarify.
Regards,
Sunil Kumar
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You are most likely using non-overlapped mode.
The consequence of this is that the driver only handles one IRP at a time.
This means that if you've issued a read request with a call to ::ReadFile(), the driver will be "blocked" until the read request times out and a write request can be handled. How long time it takes depends on how you've set up the comm timeouts with a call to ::SetCommTimeouts().
"It's supposed to be hard, otherwise anybody could do it!" - selfquote
"High speed never compensates for wrong direction!" - unknown
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yeah, im using non overlapped mode only.
I read that overlapped mode will have many overheads.
Which mode is efficient??
Regards,
Sunil Kumar
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