Attempts to resize the pseudo terminal's window size.
If successful, the OS kernel will send <literal>SIGWINCH</literal> to the child process group.
If setting the window size failed, throws will be set to a GIOError.
| this |
a Pty |
| rows |
the desired number of rows |
| columns |
the desired number of columns |
|
true on success, false on failure with throws filled in |