c_gtk_im_context_get_preedit_string

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GtkIMContext* context, gchar** str, PangoAttrList** attrs, gint* cursorPos) c_gtk_im_context_get_preedit_string;

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