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I'm writing an ActiveX control. In one of the functions I'd like the user to be able to pass me a pointer to a buffer that they created which I can then fill with data and return a success/error...

Thanks for the help, but I figured it out. Was nothing to do with COM. My routine was checking to see if the the output file supplied existed and if it did it was deleting it before it actually...

I have an app which has a COM interface that other developers can use to access the app and perform basic tasks. One of those tasks is saving a file. I had a request from a user who wants to pass in...

Thanks everyone for your help. I searched through the ffmpeg source code and stumbled across a function which allows you to redirect it's logging functions to a callback function. With that I was...

OK so the app I'm running here is an MFC dialog based app, not a console app.

I honestly don't know anything about MinGW, I found some step by step instructions online for building FFmpeg in...

I have an MFC/C++ program which is linking to the ffmpeg project. I can build the ffmpeg libs/dlls using mingw, but I can't actually debug it or step into it in any way. I'm having trouble with a...

Is there a way to determine the maximum allowed file size for a selected disc? I work with large video files and I'm getting complaints that when users attempt to save them to a FAT partition the...

I answered my own question. Turns out that the manifest/theme does prevent you from changing the text color of check boxes, radio button and group boxes. I'm in a bit of a hurry and didn't want to...

I tried setting the code to simply...



HBRUSH CMyAppDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextColor(TEXT_COLOR);
return...

OK this is stupid and probably has been answered a hundred times, but I've searched and I can't seem to find the answer.

I have a dialog based app with a dark background. I want to set all the...

Thanks guys, this is all very helpful information.

Dan

I just ran into an issue today where I was testing the program with this setup. I cut and paste 6 files into the watch folder. For some reason the program hung up on one of them at the point where it...

OK I have a folder watcher type program which uses a simple timer to check for new files being added to a directory every 30 seconds. The problem is that there is no way, at least that I can find, to...

Thanks guys. I got it working using LARGE_INTEGER.

Dan

I need to send a private message from a control class back to my main window via PostMessage. This message needs to carry a 64bit int value that indicates the current position of the control. (it's a...

I've tried that many times. I even talked to there head of engineering at CES once and he said they'd be willing to get me something to do what I want. But they never came through. (that was 2 years...

OK thanks for the info.

Dan

I know the DLL is not going to format the drive, so that's not a concern. However the legal issue might be.

Basically here's the deal. I'm trying to write a program which can access the encrypted...

Is there any way to use a 3rd party DLL without having access to the associated .h and lib files? Perhaps some way to reverse engineer the hooks so that I could use it in my application?

Dan

My machine is Win7 but I had some customers complain about this happening in XP as well.

I used...

pathName.Replace(":\\\\", ":\\");

to fix it, that way it'll only get drive paths and not...

OK I'm having a strange problem with a CFile dialog which allows multiple selections. It's an open dialog. And when the user selects multiple files I use this code to enumerate the files and add...

You're right it's not a DLL it's a static library. So I guess I'm SOL.

Oh well back to vs2005 it is. :(

Dan

I just installed a fresh copy of Windows 7 and I figured while I was upgrading I might as well take the opportunity to also switch from VS2005 to vs2008. However when I try to build my app I get a...

You could use something like this...

CComboBox *pWndFilesOfTypeCombo = (CComboBox*)GetParent()->GetDlgItem(cmb1);

int index = pWndFilesOfTypeCombo->GetCurSel();

CString ext;...

I work as a developer for a company that currently sells a Windows only video editing application. We've recently been discussing the possibility of porting our program over to Mac. However our...