treectrl like Internet Explorer

Folks

I tried to modify my wxTreeCtrl window to behave like Internet Explorer as
follows but failed. When a branch is opened any other open branches close. This
save some clicks when dealing with long lists. Has anyone got a wxTreeCtrl
class that does this?

Nigel

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Nigel W. Moriarty
Building 4R0230
Physical Biosciences Division
Lawrence Berkeley National Laboratory
Berkeley, CA 94720-8235
Phone : 510-486-5709
Fax : 510-486-5909
Email : NWMoriarty@LBL.gov
Web : CCI.LBL.gov