> I had this problem too...I beleive I solved it by commented the line : > //#define WINVER 0x0501 > in kssample.h. > Try it. If it doesn't work set WINVER at 0x0400. But don't we want the latest OS features (assuming that we are willing to limit our target machines to Win2000 - or even Win98 - and later)? I still find that part of the error message to be strange. > I also had the undeclared identifiers. I don't remember very well but I > think I had to manually include headers supplying the definitions (Maybe > #include <winioctl.h> ).... Good memory. The question is, why was the include of winioctl.h missing? How could the author have ever built the project? Scratching my head ... Andy ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.de/