I am trying to use the new GUI classes, in particular to implement sliders, so I am using the classes TGHSlider and TGDoubleHSlider. I would like to be able to "attach" an event handler to be executed whenever the slider moves, following the example of an event handler that is used with the TGTextButton and TGTextEntry classes in the dialogs.C tutorial macro. Unfortunately this does not seem to work; the command processing function never gets invoked by movement of the sliders. Upon investigation it is clear why not: the HandleButton methods in the slider classes do not have the fClient->ProcessLine statement that the HandleButton method has in the TextButton and TextFrame classes. Is there some reason why the slider classes do not implement this function; and could this please be added in to the slider classes. thanks, Irwin Gaines
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