IXRComboBox::AddDropDownOpenedHandler (Compact 2013)
3/28/2014
This method attaches a delegate to the DropDownOpened event for this combo box. When the combo box raises the DropDownOpened event, this delegate will be invoked.
Syntax
virtual HRESULT STDMETHODCALLTYPE AddDropDownOpenedHandler(
IXRDelegate<XREventArgs>* pDelegate
) = 0;
Parameters
pDelegate
[in] IXRDelegate<ArgType, [SenderType]> object that you want to attach to the DropDownOpened event, which is raised when the pop-up part of the combo box opens.The CreateDelegate function provides an easy way to create this IXRDelegate object.
Return Value
Returns an HRESULT that indicates success or failure.
Returns XR_E_INVALID_OBJECT if pDelegate is not a XAML for Windows Embedded object.
Remarks
Multiple delegates can be attached to the same event.
To remove this delegate from the DropDownOpened event, call IXRComboBox::RemovedDropDownOpenedHandler.
.NET Framework Equivalent
None.
Requirements
Header |
XamlRuntime.h |
sysgen |
SYSGEN_XAML_RUNTIME |