Index
FAQ
Using the API under VC6.0 environment, why is it the error message "unresolved external symbol" appears when the API function name is used in link program?
This error message shows this function is not found in the function database.
You need to add the function LIB to the project.
You need to add the function LIB to the project.
The program has been compiled and linked but the error message of not finding "winscard.dll" in implementation appears, why?
This is Microsoft’s base function interface. Correctly installing the card reader would generate this file or you can copy this file from directory system 32 from the system directory. Only version 5.0 has this problem. No such problem is found with version 5.1 or later versions.
What operating systems the Interior Ministry Citizen Digital Certificate API currently support?
The Interior Ministry Citizen Digital Certificate API currently supports Windows, UNIX and Linux.
Does the Interior Ministry Citizen Digital Certificate API support WIN 16 API environment under Windows platform?
Currently it does not support WIN 16 API environment.
How much is one package of API?
It is free for the standard version.
How can I check the version of the API DLL?
After clicking File, press the right button of the mouse to display its version information.
How can VB users use the API to develop application systems?
The fastest method is to use VC or other C language tools to develop OCX(Active X COM component) for use by VB.
How can JAVA users use the API to develop application systems?
Through JNI calling method.
How to use the API to develop web-based application systems?
The fastest way is to use VC or other C language tools to develop web-based Active X com components for developing other applications.