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My project has two modules, one is mfc exe, the other one is a mfc regular dll. Now I'd like to get the CWinApp* pointer of the exe in a exported function of the dll. Can I use some kind of AfxGet...App/Module() to do that?

I use a toolbar and a richedit control in a dialog to do some text edting. A common scenario is: the user select some text, then go to the toolbar to click some button. But my problem is that as soon as the user click the toolbar, the selection in richedit control disappear, which make the user puzzled. How can I keep the selection visible even if the focus is not in the rich edit?

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http://www.fengyuan.com/article/wmprint.html[^] and I strongly suggest you buy his book.

I find that edit box has a caret but button doesn't. What's the main differenct of them?

Yes I know. But now it's difficult for me to find that window using spy++. The windows appears to be hidden, but it may already be destroyed. If it's destroyed when losing focus, I can't find it using spy++. But I really want to find that window and find its class name, window text, ect, which info I can use to find them by code. So.. Please help me out.

I'd like to use spy++ to watch on a window, but that window will hide automatically when it lose focus, which means it will hide as soon as I lauch/switch to spy++. So how can I do that?

I define int gC in a cpp file in the static library project. In b.dll and a.exe, when I want to use gC, I use extern int gC;

I have one static library named c.lib, in which there is a global member int gC; Two other modules, a.exe and b.dll(regular dll using mfc), link to c.lib. I found that the address of gC is different in a.exe between in b.dll. Is it strange? How can I make only one global int gC?(but used both in c.lib, b.dll, and a.exe)

Yes I agree. Thank you very much, you did let know why I have this bug and how I can fix it. I used SelectClipRgn() to fix it, which is similiar to your GetDCEx.

I'm using a static control to draw something on it. the static is in a dialog create by resource editer. It's strange that I can draw outside the static contol, but not outside the dialog. How can I prevent this? I want to draw only inside the static contol.

I'm a Windows programmer and use MFC heavily. But in many forum/newsgroup STL seems to be a must have for a c++ programmer. So I'm curious that should I use STL or MFC's array/list in my project? STL seems to be a standard, but MFC's array/list fit in the MFC structure well.

Can anyone show a condition when WM_PAINT is sent but WM_ERASEBKGND is not? or when WM_ERASEBKGND is sent but WM_PAINT is not?

I often found CP's atticles in google's search result, but I seldom got one from CP's message board. So I suspect ...

I can't see any messages for article(http://www.codeproject.com/KB/library/XuiFramework.aspx[^]) and I get the hint to change the 'Messages Since' filter. but where is the filter?

I set a keyboard hook and my KeyboardProc() get called on WM_KEYDOWN. But I need to know the message which trick the key board hook. I need to know which HWND the current key down message is sent to. The thress passed in parameters 'code, wParam, lParam' don't give me any hint.

I read some articles in codeproject and found in some owner draw related articles, some authors write code in WM_PAINT, others write in WM_ERASEBKGND I'm curious what's the difference?

I'm using CreateRemoteThread to do some code injections: taget.exe; load.exe(call CreateRemoteThread); code.dll I want to use load.exe to call CreateRemoteThread, the thread function is RemoteThreadProc, then in RemoteThreadProc, load code.dll. But now I have a problem of debugging. How can I see the code runing step by step in RemoteThreadProc()? I can't set a break point there! and then, now can I run the code step by step in code.dll?

I'd like to write an app runs like the wallpaper, it lays on desktop always, just like wallpaper, but it can also get mouse/keyboard messages, it that possible?