C / C++ / MFC

Tomasz Sowinski11-Mar-02 3:52

11-Mar-02 3:52

Can you use Spy++ to check if your listbox actually receives LB_SETCURSEL?

Tomasz Sowinski -- http://www.shooltz.com

User 665811-Mar-02 4:00

11-Mar-02 4:00

I never used Spy++ before, could you shortly explain where I can check for incoming messages in other applications?

thanks

modified 12-Sep-18 21:01pm.

Tomasz Sowinski11-Mar-02 4:16

11-Mar-02 4:16

Ctrl+F, then drag 'target' icon on the listbox window. You'll be able to choose between examining properties of the window and hooking into its messages.

BTW: you're calling ShellExecute, then immediately follow with SendMessage? Or there's some other event, like button press which is used to invoked SendMessage with LB_SETCURSEL?

Tomasz Sowinski -- http://www.shooltz.com

User 665811-Mar-02 4:21

11-Mar-02 4:21

SendMessage is called within the EnumChildWindows-Callback,which is directly called after ShellExecute. But there's no problem with e.g. LB_GETCOUNT, this works quite well

modified 12-Sep-18 21:01pm.

Tomasz Sowinski11-Mar-02 4:23

11-Mar-02 4:23

Well, while it's not guaranteed to solve your problems, you may try to add WaitForInputIdle call between ShellExecute and EnumChildWindows to avoid dependencies in startup time of second application.

Tomasz Sowinski -- http://www.shooltz.com

User 665811-Mar-02 4:29

11-Mar-02 4:29

How do I get a HANDLE of the other app?
Is WaitForInputIdle((HANDLE)wnd,INFINTE) legal?

This did not solve my problems, but you might take a look at my comment "Just found strange behavior" I hope you understand it, my English is not very good Frown | :(

thanks

modified 12-Sep-18 21:01pm.

Tomasz Sowinski11-Mar-02 4:37

11-Mar-02 4:37

No, you can't just use HWND as a process handle. For that you'll need to use ShellExecuteEx or get the handle with a call to GetWindowThreadProcessId/OpenProcess.

Tomasz Sowinski -- http://www.shooltz.com

Re: THANKS A LOT!!!!

User 665811-Mar-02 4:46

11-Mar-02 4:46

Great

I put WaitForInputIdle between ShellExecuteEx and FindWindow, and yes, it worked. Smile | :)

You are my hero of the month

regards
Gregor

modified 12-Sep-18 21:01pm.

Re: THANKS A LOT!!!!

Tomasz Sowinski11-Mar-02 4:56

11-Mar-02 4:56

Gregor S. wrote:
You are my hero of the month

Stop brown-nosing Smile | :)

BTW: you'll have to change FindWindow to EnumWindows. That's because your app may be started twice, and it may launch two (or more?) apps with ShellExecute. FindWindow will find first HWND with given class/caption - this criteria is too weak if you can have more than one app launched with ShellExecute.

Tomasz Sowinski -- http://www.shooltz.com

Tomasz Sowinski11-Mar-02 4:50

2D Array Handling in VC++

11-Mar-02 4:50

Gregor S. wrote:
you might take a look at my comment "Just found strange behavior"

It looks like synchronization problem. Your 2nd FindWindow call finds the main window launched by 1st ShellExecute call, then sends the message. Message is processed OK and item is selected.

It seems that launched app needs some time before it can accept messages - WaitInputIdle ensures that. Use ShellExecuteEx to avoid problems with mutliple target windows - you'll get the process handle. You'll also have to abandon FindWindow - if two apps were launched, the find criteria are too weak. EnumWindows and GetWindowThreadProcessId are the way to go.

Tomasz Sowinski -- http://www.shooltz.com

G.V.Bhaskar11-Mar-02 1:44

G.V.Bhaskar

11-Mar-02 1:44

I need to handle a 2D Array whose first subscript is known to me only at runtime.The Array is an array of strings.The second subscript is the max size of a string.But I want to use only character arrays but not CString to represent a string.
Hence,if I declare an array,like

#define MAX_STRING_SZ 10
char MyArray[][MAX_STRING_SZ+1];
...
and I want to use the above array in a function F1.
F1 will return such arrays , n numbers,to function F2,where The arrays's members are shown in a list view.
But,the array declaration is not allowed in Microsoft Visual C++ to have empty braces[] as well as with any variable,whose value I would supply as and when I get.
I am in urgent need of this.
Thanking you ,The Experts,in advance!!!
Best Regards,
GVBhaskar
srigvb@yahoo.com
srigvb@rediffmail.com
gvbhaskar@hotmail.com

G.V.Bhaskar

Re: 2D Array Handling in VC++

Tomasz Sowinski11-Mar-02 3:44

Re: 2D Array Handling in VC++

11-Mar-02 3:44

Can't you use CStringArray, CStringList or std::vector<std::string> ?

Tomasz Sowinski -- http://www.shooltz.com

Joaquín M López Muñoz11-Mar-02 3:58

Joaquín M López Muñoz

11-Mar-02 3:58

First of all, I'd recommend forgetting about 2D arrays and going to something more high-level like, for instance, a std::vector of std::strings. Anyway, if you can't afford it, the syntax you must follow is like this:

void F2(char array[][MAX_STRING_SZ+1],int len);

Here len is needed to inform about the first dimension of the 2D array. To define a variable capable of holding 2D arrays of unspecified (i.e. determined at run-time) first dimension, the syntax is:

char (* MyArray)[MAX_STRING_SZ+1];

which is also the return type of your F1 function. Remember, the first dimension must be passed along somehow. And please allow me to recommend you again that you use STL containers to make your life easier.

Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo

Why RichEdit20A scroll the contents of the view??

wtl11-Mar-02 1:29

wtl

11-Mar-02 1:29

Why RichEdit20A scroll the contents of the CRichEditCtrl in view ?

For example, I wrote handler for ON_WM_VSCROLL():

[ccode]
void CRichSyntaxView::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
// TODO: Add your message handler code here and/or call default

CRichEditView::OnVScroll(nSBCode, nPos, pScrollBar); //call std handler

CRichEditCtrl& r = GetRichEditCtrl();
CHARFORMAT2A cf;
CHARRANGE ccr;
memset(&cf,0,sizeof(cf)); // clear

r.SetRedraw(false); // don'n redraw
r.HideSelection(true, true); //don't show the selection

r.GetSel(ccr); //save old selection
r.SetSel(iMin, iMax); //set new selection

...

r.SetSel(ccr); //restore selection

r.HideSelection(false, true); //show the selection
r.SetRedraw(true); //redraw=on
Invalidate(false); // refresh view
}
[/ccode]

In Richedit 1.0 all ok. Why?

=== MSDN98 ===:
SetSel(..)
The caret is placed at the end of the selection indicated by the greater
of the start (cpMin or nStartChar) and end (cpMax or nEndChar) indices.
This function does not scroll the contents of the CRichEditCtrl
so that the caret is visible.

RichEdit20A - glucked..

Please help me!

thank you..

Exporting to Excel...

Mauricio Ritter11-Mar-02 1:25

11-Mar-02 1:25

I´m creating a new app that needs to export some data to excel. It´ll be a WEB app, the user will click on a link that will activate an ISAPI Extension written in VC++ that will send the data as an xls file. My question is: do I need a copy of Excel installed on my server to export the data or there is some other way ?

Mauricio Ritter - Brazil
Sonorking now: 100.13560 Trank

[James Pullicino]11-Mar-02 2:58

[James Pullicino]

11-Mar-02 2:58

If you export your data as a CSV (which excel knows how to read), you will not need excel.

(2b || !2b)

Carlos Antollini11-Mar-02 3:44

11-Mar-02 3:44

Depends that you need, If you want, you can make csv files, with coma separated or you can make excel files, using ole automation, for this you need the excel installed on your sever...
Also if you want, you can write excel file knowing the Excel format, for this you can see it here

Best Regards

Carlos Antollini.
Sonork ID 100.10529 cantollini

Mauricio Ritter11-Mar-02 4:19

11-Mar-02 4:19

Carlos Antollini wrote:
for this you can see it here
Where !?

Confused | :confused:

Mauricio Ritter - Brazil
Sonorking now: 100.13560 Trank

Carlos Antollini11-Mar-02 4:33

11-Mar-02 4:33

I'm sorry Mauricio: Blush | :O

here

Best Regards

Carlos Antollini.
Sonork ID 100.10529 cantollini

Mauricio Ritter11-Mar-02 4:50

11-Mar-02 4:50

Gracias !

Mauricio Ritter - Brazil
Sonorking now: 100.13560 Trank

Carlos Antollini11-Mar-02 4:55

11-Mar-02 4:55

De nada;)

Carlos Antollini.
Sonork ID 100.10529 cantollini
"There is an old saying that if a million monkeys typed on a million keyboards for a million years, eventually all the works of Shakespeare would be produced. Now, thanks to Usenet, we know this is not true."

Mauricio Ritter11-Mar-02 5:04

11-Mar-02 5:04

One more question. Let´s assume that I create my program exporting to excel even if the user doesn´t have Excel installed. Question: Is it legal ? Can I use the file format of a MS program ?

Mauricio Ritter - Brazil
Sonorking now: 100.13560 Trank

Carlos Antollini11-Mar-02 5:22

11-Mar-02 5:22

Really, I don't Know, I believe that your application need a license for use xls format, I think that you need to comunicate with the people of M$ support. I belive that the licensse must be cheap...
May be if the server have a excel installed and you work through OleAutomation, you have the problem solved quickly, (the format and the licensse). Anyway I has problems with oleAutomation, sometimes I got the error "The server is busy...." but with a loop you can solve that...

Best Regards!!!!

Carlos Antollini.
Sonork ID 100.10529 cantollini