Learning the creation of COM components, what's the use of learning this?
As we all know, there are many login password verification controls. Only those controls installed can perform the normal login function, so let me imitate this calling process now.
LIBCMT.lib and atlmincrt.lib define some code repeatedly, so the two LIBs
A conflict arises, a LIB must be ignored in the link , and LIBCMT.lib is ignored
Got other linking errors, so ignore atlmincrt.lib
Adding the method parameter
idl is the interface provided by the DLL component externally
Interface implementation, which belongs to the methods under CHellword
Get DLL files and LIB files