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Important
Starting in Windows 10, version 1803, the Win32 APIs described in this section are replaced by the Windows Runtime APIs in the Windows.Networking.Connectivity namespace.
Notification method that indicates a change in the voice call state of a device.
Syntax
HRESULT OnVoiceCallStateChange(
[in] IMbnConnection *newConnection
);
Parameters
[in] newConnection
An IMbnConnection interface that represents the connection for which the voice call state has changed.
Return value
This method must return S_OK.
Remarks
OnVoiceCallStateChange is called when voice call state is available or when there is a change in the voice call state. An application can use IMbnConnection to get the updated voice call state.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 7 [desktop apps | UWP apps] |
| Minimum supported server | None supported |
| Target Platform | Windows |
| Header | mbnapi.h |