Parses a string containing a GtkBuilder UI definition and merges it with the current contents of builder. Upon errors 0 will be returned and error will be assigned a GError from the GTK_BUILDER_ERROR or G_MARKUP_ERROR domain. Since 2.12
the string to parse
the length of buffer (may be -1 if buffer is nul-terminated)
A positive value on success, 0 if an error occurred
GException on failure.
See Implementation
Parses a string containing a GtkBuilder UI definition and merges it with the current contents of builder. Upon errors 0 will be returned and error will be assigned a GError from the GTK_BUILDER_ERROR or G_MARKUP_ERROR domain. Since 2.12