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.NET Forum / Windows Forms / WinForm General / March 2007ListBox SelectedValueChanged Event Anomaly!!!!
Hi , someone brought to my notice sometime ago that the SelectedValueChanged and SelectedIndexChanged event acts slightly wierd. Firstly ,the events fire even if you click/select the currently selected item. And secondly ,they fire when one clicks the white space!!(which is horribly peculiar) This is what i mean: http://gidsfiles.googlepages.com/OddListBox.jpg (clicking on the space below the last item causes the event to fire!) Heres the code: http://gidsfiles.googlepages.com/OddListBox.cs.txt Heres the full solution compiled and everything: http://gidsfiles.googlepages.com/LstBoxEvent.zip Thanks Gideon Yes always..true.. its annoying... We have overridden and made our own listbox, and suppress the even when we don't need it, by having a property of prev selected item.. You could do that... Any other ideas are welcome..! VJ > Hi , > [quoted text clipped - 20 lines] > Thanks > Gideon hm. . ok that might work. One problem is if you wanted to do something when the user clicks on a *item* and not a whitespace. Maybe one could handle the click event. Still i wonder whether Microsoft has fixed this in .NET 3.0 , or even knows about it! Gideon Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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