The problem: WinXP + VB6 under control program written in VFW camera, through a window to capture video dialogs WM_CAP_DLG_VIDEOSOURCE messages sent, found on the dialog box can be enumerated computer connect USB camera no flooding, but in the program using capGetDriverDescriptionA functions cannot be enumerated, further programming to select the video source,
Programming purpose: don't by sending WM_CAP_DLG_VIDEOSOURCE pop-up dialog box select the video source, choose video source directly controlled by the program, some online is that can't be implemented under the VFW, want to use DirectShow,
Requirements: it is best to give the source code, is no words that way of thinking, is the VFW, don't DirectShow, that don't really understand it