[ PrintfFormat ]
public void format_heading_markup (string format, ...)
Sets the formatted heading of this with Pango markup.
The format is assumed to contain Pango markup.
Special XML characters in the `printf()` arguments passed to this function will automatically be escaped as necessary, see [ func@GLib.markup_printf_escaped].
See [property@AlertDialog:heading].
| this |
an alert dialog |
| format |
the formatted string for the heading with Pango markup |
| ... |
the parameters to insert into |