hi crazycat i changed my windows to 7 x64 and now i can compile StreamReaderEx-BDA. but some problems in vstudio2010; StreamReaderDemoDlg.cpp(432): error C2065: 'GetSignalExEx' : undeclared identifier 1>StreamReaderDemoDlg.cpp(721): error C2065: 'GetSignalExEx' : undeclared identifier 1>StreamReader...