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    Type:Bug 
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    Resolution: Fixed
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    Priority:Major 
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    Affects Version/s: 7.0.5
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    Component/s: Components
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    Security Level: Jimmy
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    Environment:7.0.5 error did not occur in 7.0.4 
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        ZK 7.0.7
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        None
run the attached example, and try to open the combobox
-> it will open for a short moment and close immediately
this makes it impossible to load comboitems on demand using the onOpen event
