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I'd take the following steps:
1) locate main IE window with FindWindow
2) step into windows hierarchy with GetDlgItem (if you know the control ID) or EnumChildWindows (if you only know class name).
Tomasz Sowinski -- http://www.shooltz.com
*** Purgamentum init, exit purgamentum ***
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thankssssssssssssss..thanks a lotttttttttttt..!!!!
I like the dreams of the future than the history of the past.
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I want to show a Startdialog at the beginn of my SDI/MDI application. Where do I have to put the code for the dialogbox, and how can i manage that the box close automaticly after (for excample) 2 seconds?
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Are you sure you want a dialog box and not classic splash screen displaying bitmap image?
Tomasz Sowinski -- http://www.shooltz.com
*** Purgamentum init, exit purgamentum ***
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What is a classic splash screen? How can I create it?
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'Classic' splash is a window which displays bitmap for few seconds during application startup - just like one Visual C++ or MS Word uses. Is this what you're looking for?
Tomasz Sowinski -- http://www.shooltz.com
*** Purgamentum init, exit purgamentum ***
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i think someone has previously posted an article regarding with the same problem.
I like the dreams of the future than the history of the past.
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How can i use the MCI device in a MFC application? Is possible to put a video on a dialog with it?
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I have never used it personally, but it seems MCIWndXXX API could do that. You may check MPlay SDK sample as well.
Tomasz Sowinski -- http://www.shooltz.com
*** Purgamentum init, exit purgamentum ***
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I've resolved using DirectShow (perform much things and formats than MCI) but i've a problem passing the CString filename, the function receive a LPCWSTR parameter but i can't find a way to convert it. I've read there's a macro T2W that can do that but the compiler tell me undeclared identifier.. there's some kind of include or it's a way better to convert it?
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The T2W macro is in ATLCONV.H, however, you might find it almost as easy to use the AllocSysString function that's part of CString. This will return a BSTR, which in your context could be treated as a LPCWSTR without a cast. However, you must free it after the call has returned;
e.g.
CString myFileName;
....
BSTR tmp = myFileName.AllocSysString();
somefunction( tmp );
::SysFreeString( tmp );
The T2W and it's friends would require something like;
{
USES_CONVERSION;
somefunction( T2W( myFileName ) );
}
Steve S
[This signature space available for rent]
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I have win32 application,iam subclassing my listbox which is the child of dialogbox.So iam calling my subclass wndproc function in the WM_INITDIALOG i.e..
lpfnDbClkListboxProc=(WNDPROC)SetWindowLong(hDialogListBox,GWL_WNDPROC,(DWORD)SubClassDialogListboxFunc);
But when i show my dialox box the dialogbox closes again.why itis so.
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1) if you remove SetWindowLong, does dialog close prematurely?
2) post SubClassDialogListboxFunc.
Tomasz Sowinski -- http://www.shooltz.com
*** Purgamentum init, exit purgamentum ***
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Greetings...
I am using the following code to paste data in the Rich Edit control in my application.
HGLOBAL hglb;
LPTSTR lptstr;
if (!OpenClipboard(this->uHWND))
return;
hglb = GetClipboardData(CF_TEXT);
if (hglb != NULL)
{
lptstr = (char*)GlobalLock(hglb);
if (lptstr != NULL)
{
SendMessage ( this->uHWND, EM_REPLACESEL, TRUE, (LPARAM)lptstr );
GlobalUnlock(hglb);
}
}
CloseClipboard();
return;
}
Now the problem is that sometimes the caret of the edit box is not positioned where it should be ? After pasting the caret moves to 2-3 characters before the end, but when I start typing or do any editing then work is done from the end as expected. So why the caret is not being viewed at the proper place when I paste the data ?
Any help will be appreciated.
Thanks.
Ritesh
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Hi,
I want to share an object which is use by differents applications. This object is instanciate only once in a DLL and all applications use this DLL (and the same object).
Thus this object must be visible on the level of the OS (win2k)
I've already try to map in a sharable memory (create in the DLL) this object and that works if I don't use pointer in it.
To create this sharable memory I use this code : CreateFileMapping(...) and MapViewOfFile(...)
My question: How to share an object on the level of the OS?
Thanks in advance...
Hello World!!! 
from Raphaël
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You can use a pointer inside of your Memory mapped file, you will just need to manager the memory yourself.
So if you create your initial object, then decide that you want to allocate 50 bytes for a string, you can place that 50 bytes anywhere in your memory mapped file, however you will need to keep track somehow that it is being used so you do not reallocate it for another pointer.
Another solution is to use your memory mapped files for you objects, and any pointers you could allocate with GlobalAlloc. This allows you to share the allocated pointers between processes, however you will need to lock the pointer in place for each process before you attempt to use it. This solution is a little more cumbersome than new, but it may be better for you than writing your own memory manager for the file mapping scheme.
One other thing, if you decide to do GlobalAlloc, you could make you one single object that is shared by all apps, in your single DLL, a global object inside of a shared data section. That would save you the trouble of setting up and deleting the memory mapped file.
You can declare a variable in a shared data section simply by declaring it like this:
<br />
#pragma comment(linker, "/SECTION:.shr,RWS")<br />
#pragma data_seg(".shr")<br />
OBJECT g_obj;<br />
#pragma data_seg()<br />
Good Luck
Build a man a fire, and he will be warm for a day
Light a man on fire, and he will be warm for the rest of his life!
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Thanks for all...
But when I try to use the pragma code:
#pragma comment(linker, "/SECTION:.shr,RWS")
I've got a warning:
LINK : warning LNK4039: section ".shr" specified with /SECTION option does not exist
...
Hello World!!!
from Raphaël
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I have more than one help file in different languages.
I want to call the help file accordingly the selected language.
How does it work?
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Set the m_pszHelpFilePath member of CYourApp to appropriate value. Don't forget that this should be full path, not the filename only.
Tomasz Sowinski -- http://www.shooltz.com
*** Purgamentum init, exit purgamentum ***
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I need to detect when the user moves the mouse out of one of my buttons while the mouse button is down in order to stop the process that has started when the user clicked the button.
I was receiving help from another member of codeproject but he is on holiday now  .
do you know how the trakmouseevent api works and if so, could you give me an example of how it works?
I don't know where to place it, in the pretranslatemessage would be OK?
as always thank you very much.
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This is code out of the WTL BitmapButton:
MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
MESSAGE_HANDLER(WM_MOUSELEAVE, OnMouseLeave)
LRESULT OnMouseMove(UINT , WPARAM , LPARAM lParam, BOOL& bHandled)
{
if(::GetCapture() == m_hWnd)
{
POINT ptCursor = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
ClientToScreen(&ptCursor);
RECT rect;
GetWindowRect(&rect);
unsigned int uPressed = ::PtInRect(&rect, ptCursor) ? 1 : 0;
if(m_isPressed != uPressed)
{
m_isPressed = uPressed;
Invalidate();
UpdateWindow();
}
}
else if(0 == m_isMouseOver)
{
m_isMouseOver = 1;
Invalidate();
UpdateWindow();
StartTrackMouseLeave();
}
bHandled = FALSE;
return 1;
}
LRESULT OnMouseLeave(UINT , WPARAM , LPARAM , BOOL& )
{
if(1 == m_isMouseOver)
{
m_isMouseOver = 0;
Invalidate();
UpdateWindow();
}
return 0;
}
BOOL StartTrackMouseLeave()
{
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = m_hWnd;
return _TrackMouseEvent(&tme);
}
I hope this helps.
Build a man a fire, and he will be warm for a day
Light a man on fire, and he will be warm for the rest of his life!
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If I understand you correctly, and if you are using a "normal" button control, you should be able to use the BM_GETSTATE message to determine if the button is "down" or not. This could easily be checked during mouse movement messages.
(As an aside...)
However, if I do understand you correctly, you are doing some action when the user depresses a button, but not when they release it, which is counter to how the button control is designed to work.
The usual exceptions to this are things like "repeating buttons", like if you were simulating how pressing and holding a scroll button works. (BTW: many implementations of "repeating buttons" are broken and fail to use the button state correctly, and continue to fire if you move the mouse off the button while keeping the mouse-button down.)
Peace!
-=- James (Sonork:100.21837)
"There is nothing worse than being oblivious to the fact that you do not know what you are doing."
[Get Check Favorites 1.5 Now!]
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Ok, I ran into this a while back and never solved it correctly. Now, I'm trying to draw images with transparency again and this problem is really eating away at me. No matter how hard I try, I can not seem to get a CImageList to draw correctly using a bitmap for the mask.
From what I've read in the MSDN help, it seems it'd be as easy as this:
CImageList tbImgList;
CBitmap tbBMP_Color;
CBitmap tbBMP_MASK;
POINT pt;
// Create the Image List
tbBMP_COLOR.LoadBitmap ( IDB_MYPICTURE_COLOR );
tbBMP_MASK.LoadBitmap ( IDB_MYPICTURE_ALPHA );
tbImgList.Create ( 64, 64, ILC_COLOR24 | ILC_MASK, 0, 0 );
tbImgList.Add ( &tbBMP_COLOR, &tbBMP_MASK );
// Draw the Image List at 0,0
pt.x = 0;
pt.y = 0;
tbImgList.Draw( &dc, 0, pt, ILD_TRANSPARENT );
But that doesn't work?! Am I missing something here or is this thing just plain broken?
-John
"Ask me about my vow of silence"
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It would certainly help if you'd check return codes from Create and Add. And, you could be more specific about "doesn't work" part - there's nothing on the screen or you have problem with transparency.
A wild guess - try to change last param in Create call to non-zero.
Tomasz Sowinski -- http://www.shooltz.com
*** Purgamentum init, exit purgamentum ***
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>>It would certainly help if you'd check return codes from Create and Add.<<
Ahh yes, I should've checked those. Create returns 1 for success, which is expected. Oddly enough however, Add returns -1 no matter what I do, even though it seems to succeed. According to MSDN it should be returning the zero-based index of the first new image if successful...odd.
>>And, you could be more specific about "doesn't work" part - there's nothing on the screen or you have problem with transparency.<<
Ah, right. Sorry about that. Yeah, they were drawing fine, just not using any transparency.
Well anyway, I was finally able to get it to work.....or at least kind of. As it turns out, I had mistaken what exactly a mask bitmap means. I thought that it meant it allowed for a nice 256 levels of alpha transparency masking. Instead, it appears to really work as an on/off mask. Apparently the transparent areas in my mask bitmaps were something like 253, 253, 253 and thus it saw them as opaque. It looks like 255,255,255 is transparent and anything else is opaque.
Unfortunately, that's not what I was after. Does anyone happen to know of a nice(and efficient!) way to do true variable transparency drawing?
-John
"Ask me about my vow of silence"
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