number of types the plugin can handle, or %0 for any type
a string describing the plugin's options, or %NULL
a description for the plugin, or %NULL
the shared object implementing the plugin, can be %NULL for internal plugins
the name of the plugin
an array of #GType, containing the accepted types, its size is nb_g_types, or %NULL if nb_g_types is %0
Adds a new plugin which will be used by the forms and grids. The new plugin, as
described by plugin can declare a custom widget to be used for forms, grids, or both.
If a plugin is already declared with the same name as the requested name, then a warning is issued and the operation fails.
Structure representing a plugin.
Note:
entry_create_funcandcell_create_funccan't be %NULL at the same time