# File dl/win32/lib/Win32API.rb, line 11 def initialize(dllname, func, import, export = "0", calltype = :stdcall) @proto = [import].join.tr("VPpNnLlIi", "0SSI").sub(%r^(.)0*$/, '\1') handle = DLL[dllname] ||= DL.dlopen(dllname) @func = DL::CFunc.new(handle[func], TYPEMAP[export.tr("VPpNnLlIi", "0SSI")], func, calltype) rescue DL::DLError => e raise LoadError, e.message, e.backtrace end
# File dl/win32/lib/Win32API.rb, line 19 def call(*args) import = @proto.split("") args.each_with_index do |x, i| args[i], = [x == 0 ? nil : x].pack("p").unpack("l!*") if import[i] == "S" args[i], = [x].pack("I").unpack("i") if import[i] == "I" end ret, = @func.call(args) return ret || 0 end
Commenting is here to help enhance the documentation. For example, sample code, or clarification of the documentation.
If you have questions about Ruby or the documentation, please post to one of the Ruby mailing lists. You will get better, faster, help that way.
If you wish to post a correction of the docs, please do so, but also file bug report so that it can be corrected for the next release. Thank you.