I have tree view control which I like to show in a drop down list box ( combo box). The first drop dowl list box which will be static and will show the top lavel of the tree view control . When user choose that there will be dynamic drop down list box will add if there is a child node attached to it and show the child node. If not there will be no drop down list box . How to do that in VB.net .Please so me some code .