hi - I have a winform application and .net 4, using VS2010. the application uses a tab control to organize itself. all the code is written around which tab you're on and each tab runs a method as it is loads. the load method queries a database and draws the appropriate number of controls as it loads. since some of the controls are dependent on the query, I have to create them on entry and refer to them in the code using winhandles. as part of the process I also register an event for the controls. so, my question is two fold - is there any harm in having the same event be registered multiple times (each time the tab is invoked?); and after an indeterminate length of time, the binding between the event and the event handler seems to drop. any idea why?
should I be disposing of the controls as I leave the tab?