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ComboBox.DropDownOpened 이벤트

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네임스페이스:
Microsoft.UI.Xaml.Controls
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ComboBox의 드롭다운 부분이 열릴 때 발생합니다.

// Register
event_token DropDownOpened(EventHandler<IInspectable> const& handler) const;

// Revoke with event_token
void DropDownOpened(event_token const* cookie) const;

// Revoke with event_revoker
ComboBox::DropDownOpened_revoker DropDownOpened(auto_revoke_t, EventHandler<IInspectable> const& handler) const;
public event System.EventHandler<object> DropDownOpened;
function onDropDownOpened(eventArgs) { /* Your code */ }
comboBox.addEventListener("dropdownopened", onDropDownOpened);
comboBox.removeEventListener("dropdownopened", onDropDownOpened);
- or -
comboBox.ondropdownopened = onDropDownOpened;
Public Custom Event DropDownOpened As EventHandler(Of Object) 
<ComboBox DropDownOpened="eventhandler"/>

이벤트 유형

EventHandler<Object>

EventHandler<Object>

EventHandler<IInspectable>

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