c_gtk_file_chooser_add_choice

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C) __gshared
void function(GtkFileChooser* chooser, const(char)* id, const(char)* label, char** options, char** optionLabels) c_gtk_file_chooser_add_choice;

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