c_gtk_paint_expander

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(GtkStyle* style, cairo_t* cr, GtkStateType stateType, GtkWidget* widget, const(char)* detail, int x, int y, GtkExpanderStyle expanderStyle) c_gtk_paint_expander;

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