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um.. how do i create the thread? i'm not very familiar with threads...
Kuniva
--------------------------------------------
God gave man a penis and a brain but not enough blood to make both of 'em work at the same time.
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See your documentation on CreateThread.
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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i looked on MSDN, but is it correct that CreateThread is an MFC function?? Because i've tried to keep my class MFC-free so far and it would be a shame to loose that feature. Also, the code u suggested before, is that without any MFC too? if it isn't.. i'll look up the equivalents of them but do you know how to create a thread without MFC? or do you know what i should look for?
Thanks a lot for helping me, i appreciate it 
Kuniva
--------------------------------------------
God gave man a penis and a brain but not enough blood to make both of 'em work at the same time.
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There is an MFC CreateThread function as well as a pure Win32 version. Look for it further down the list in MSDN.
The snippets of code I posted before are all pure Win32, no MFC.
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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ok, i have everything in place, i have but one more question:
i get the error:
'CreateThread' : cannot convert parameter 3 from 'unsigned long (void *)' to 'unsigned long (__stdcall *)(void *)'
this has to do with the fact that i made WinsockThread a member function of my class, when i make it global i know it will probably work but i'd like to keep it stuffed in my class, do you know any way to do this?
Kuniva
--------------------------------------------
God gave man a penis and a brain but not enough blood to make both of 'em work at the same time.
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Make the function static (seems you have already done so) and insert WINAPI just before the name of the function in its declaration.
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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what about accessing the variables then? i mean, when i try to access a variable in a static function i get an error i cant do this...
so i made the variables global and it works, its just that when i run it i get some warnings with freaky symbols about the globals...
Kuniva
--------------------------------------------
God gave man a penis and a brain but not enough blood to make both of 'em work at the same time.
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The thread function has an LPVOID parameter that you can use to pass the object variables belong in. I usually make the thead proc a simple stub to the "real" function that does the job:
static DWORD WINAPI CMyClass:ThreadProcStub(LPVOID arg)
{
CMyCLass * obj=static_cast<CMyCLass *>(arg);
obj->Thread();
return 0;
}
void CMyClass::Thread()
{
}got the idea?
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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a million thanks for your help, i got it working
Kuniva
--------------------------------------------
God gave man a penis and a brain but not enough blood to make both of 'em work at the same time.
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Glad to have been helpful. See you around.
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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sorry i didn't look close enough, CreateThread is also win32
Kuniva
--------------------------------------------
God gave man a penis and a brain but not enough blood to make both of 'em work at the same time.
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If you need to call WSAAsyncSelect, your window handle cannot be a fake!
WSAAsyncSelect won't send any event until something was detected. Since this
is Microsoft extension to socket library. You need to provide a correct
window handle or else you must do it yourself. For example, you could have
a thread sending this message (WM_SOCKET /w events) to your application.
Hope that help!
"Dirty hands lead to important discovery..." - Thomas Edisson
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Your best bet is probably to create another thread that just runs, because the thread with your fake message loop will block on the call to GetMessage until a message is sent to that thread. This may prevent any code that you would want to be executed from happening.
Could you give a little more detail in why you want to have this message pump with out any windows. Is it to send messages across threads or something?
If I have more details I may be able to suggest a better solution.
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... doesn't mean anything, but it made you look...
Hello!
I'd like a guru to take a look at this:
if I use a pragma pack on a STRUCT like this:
#pragma pack(1) // aligment of 1 byte(was 4)
struct CODE
{
unsigned char cType;
union
{
DWORD iValue;
FARPROC lpAdress;
unsigned char * lpString;
};
};
#pragma pack(4) // aligment of 4 bytes
I will save out the 3 bytes never used with data alignment of 4 bytes, but does this slow down handling the struct? ( or "Where's the catch?" or "Why isn't everything aligned 1 byte?")
Thank You !
Georg Haan (.NL)
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Georg Haan wrote:
but does this slow down handling the struct? ( or "Where's the catch?" or "Why isn't everything aligned 1 byte?")
Yes, in a big way. I believe most current processor instructions expect 4, 8, 16 or 64 byte alignment. In a world where memory is cheap (or at least cheaper than speed), you should use the default alignment the compiler selects for the appropriate build target.
/ravi
"There is always one more bug..."
http://www.ravib.com
ravib@ravib.com
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Don't ask me why, but with my code, I'm somethimes searching for a CODE with ctype = 6 and iValue = 4, with bytealignment = 1 I can do a
while((*(short*) &Ops[p02++].cType)!=(short)((0x100*OPSEP)+4))
where Ops is a CODE array, p02 a counter and OPSEP =
#define OPSEP 6
Hmz, Maybe if I add another bogus short and char in front of the ctype...
Comments?
Thanks.
Georg Haan (.NL)
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Relying on byte alignment is dangerous and makes for hard to maintain code.
/ravi
"There is always one more bug..."
http://www.ravib.com
ravib@ravib.com
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Every time I try to start a debug session the entire .Net visual studio application locks up and I have to restart it. Even if I create a new MFC application and add nothing to it, the app hangs.
I can run it without debugging just fine, but when I try to "start", no way.
Any thoughts?
"Thank you, thank you very much" Elvis.
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I'm trying to create a view class derived from CListView. It is created as the main view object of an MDI application, by the appwizard on project creation.
OnInitialUpdate() is where you place the code that initializes a view. My problem is that I can't seem to get the CListView to show the column headers. Can anyone see what I'm doing wrong? (Here's my OnInitialUpdate
void CMailBoxProtoView::OnInitialUpdate()
{
CListView::OnInitialUpdate();
int x;
// Get a reference to the list view's control
CListCtrl& listCtrl = this->GetListCtrl();
// Add the columns
listCtrl.InsertColumn(0, _T("From"), LVCFMT_LEFT);
listCtrl.InsertColumn(1, _T("Received"), LVCFMT_LEFT);
listCtrl.InsertColumn(2, _T("Subject"), LVCFMT_LEFT);
listCtrl.InsertColumn(3, _T("Size"), LVCFMT_LEFT);
// Set the column sizes
for(x = 0; x < 4; x++)
listCtrl.SetColumnWidth(x, LVSCW_AUTOSIZE_USEHEADER);
// Set the style of the list control
listCtrl.SetExtendedStyle(LVS_REPORT);
// This displays fine, but where's the headings?!
listCtrl.InsertItem(0, "Item0");
}
Many thanx,
funbag!
skydiving....if at first you don't succeed, you're fecked!
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I test your code and it's ok,problem is not here.
Mazy
"So,so you think you can tell,
Heaven from Hell,
Blue skies from pain,...
How I wish,how I wish you were here."
Wish You Were Here-Pink Floyd-1975
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that's really strange! I can't seem to get it going at all. You think maybe there might be a message I'm not mapping or something???
skydiving....if at first you don't succeed, you're fecked!
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overriden OnCreate of your view class and change it to this:
int CYourView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
lpCreateStruct->style |= LVS_REPORT;
if (CListView::OnCreate(lpCreateStruct) == -1)
return -1;
return 0;
}
Mazy
"So,so you think you can tell,
Heaven from Hell,
Blue skies from pain,...
How I wish,how I wish you were here."
Wish You Were Here-Pink Floyd-1975
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Thank you thank you thank you thank you thank you
(and I didn't use copy and paste there either!)
It works great! Thank you!
skydiving....if at first you don't succeed, you're fecked!
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In MFC Doc/View SDI or MDI application, every command message sent by menu items or buttons in a toolbar can be routed to CMainFram::OnCmdMsg(..) function. Howevey, if I want to menually send a command message using:
<br />
SendMessage(AfxGetMainWnd(), WM_COMMAND, ID_MYCOMMAND, 0);<br />
or using
<br />
PostMessage(AfxGetMainWnd(), WM_COMMAND, ID_MYCOMMAND, 0);<br />
this message doesn't get routed to CMainFram::OnCmdMsg(..). Why? In other words, how can I simulate the menu command message using SendMessage or PostMessage?
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