A good Tutorial to C++ Builder 6 on GUI programming
you mean win32 or vcl?
win32 API: http://www.functionx.com/win32/index.htm **** http://www.winprog.org/tutorial/ ***
or visit this page for complete list of them and others: http://www.geocities.com/cppforlife/links.html
vcl: http://www.visualcomponentlibrary.com/bcb/ ****