Write message on VS output window.
API void Msg(wcstr msg, ...);
msg: Message.
...: Arguments.

Write message VS output window.
API void MsgArgs(wcstr msg, char *args);
msg: Message.
args: Arguments variable.

Get environment variable.
API void GetEnvVar(String *value, wcstr name);
value: Value.
name: Name.

Get thread count.
API uint GetThreadCount();

Pause execution.
API void Wait(uint ms);
ms: Milliseconds.