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App designer listbox detect mouse click

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Jian Wu
Jian Wu 2020-5-22
评论： Sahithi Kanumarlapudi 2020-6-9
I have a listbox in my app and I want upon clicking on an item in the app designer to display some more additional information about the selected item. This I can achieve with ListBoxValueChanged function. However, the list box also get updated because I have implemented item filter functions. In such a case, the ListBoxValueChanged function does not get triggered. Is there a possiblity for implementing a mouse down function for list box in app designer?

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回答（1 个）

Sahithi Kanumarlapudi
Hi,
As of now MouseDown function is not supported to be used with ListBox. But if you could provide more information on item filter functions, I might be able to suggest you a work around
  2 个评论
Jian Wu
Jian Wu 2020-6-4
I have some items in a list box. When I click on the item, I want a call back to obtain the meta data related to that item and get it displayed.
Sahithi Kanumarlapudi
Sahithi Kanumarlapudi 2020-6-9
this is what the item filter function does too?. Then why not add the functionality of this function to ListBoxValueChanged itself?

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