wxGTK built against GTK+ 1.2.
@style{wxCHK_ALLOW_3RD_STATE_FOR_USER}
By default a user can't set a 3-state checkbox to the third state.
wxGTK built against GTK+ 1.2.
@style{wxCHK_ALLOW_3RD_STATE_FOR_USER}
By default a user can't set a 3-state checkbox to the third state.