Klaus Schmidinger wrote:
from every thread, or just from the main thread. Plugins can implement a 'service supported' check by returning <tt>true</tt> without performing any actions when called with <tt>Data=NULL</tt>. ----8<----
Since the Data parameter in the function calls has NULL as default, a plugin implementing Service() _must_ be prepared to handle this case.
----8<---- Plugins should expect to be called with <tt>Data=NULL</tt> and may use this as a 'service supported' check without performing any actions. ----8<----
Cheers,
Udo