how can i connect/disconnect my wifi with delphi programming? how can i connect/disconnect other wirless networks with delphi programming? help me, please

I want to use Setactivewindow function's API. please help me. how to use JNI , Native Function , . . . . in java.

I want to use API function in Java, how to load DLL of api function. please help me. my email: rahmat_7088@yahoo.com