不定参数说明

Argument Access

The va_arg, va_end, and va_start macros provide access to function arguments when the number of arguments is variable. These macros are defined in STDARG.H for ANSI C compatibility and in VARARGS.H for compatibility with UNIX System V.

Macro

Use

.NET Framework equivalent

va_arg

Retrieve argument from list

System::ParamArrayAttribute Class

va_end

Reset pointer

va_start

Set pointer to beginning of argument list