[gtkmm] DrawingArea and ColorSelection



I am having trouble having a Gtk::DrawingArea widget and a Gtk::ColorSelection widget in the same dialog. (This extends to having a Gtk::DrawingArea widget in the dialog, and then trying to open a Gtk::ColorSelection dialog from there, which was what I first endeavored to do.) An assertion: nqueue->freeze_count > 0, seems to be giving the trouble.

Is this an understood phenomenon? I am writing the code on a windows machine using dev-cpp.

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