Enabling a Function

EnableFeature

API Description

This API is used to enable or disable a function in the Windows SDK.

Precautions

Functions have default statuses. Call this API only if you need to change the function status.
This API is an asynchronous API. The return value only indicates whether the API is successfully called. The actual service processing result is returned in the corresponding callback function.

Method Definition

    
         HWM_SDK_AGENT_API hwmsdk::HwmErrCode EnableFeature(HwmEnableFeatureType type, bool isEnable);

Callback Function

   
        virtual void OnEnableFeature(hwmsdk::HwmErrCode ret, const char* msg) {};

Parameter Description

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
type	Yes	HwmEnableFeatureType	Function switch.
isEnable	Yes	bool	Function switch status.

**Table 2** Enumerated values of HwmEnableFeatureType
Enumerated Value	Description
HWM_ENABLE_FEATURE_TYPE_MULTI_MONITOR	Whether to enable the multi-monitor mode. In the multi-monitor scenario, when one monitor screen is shared, the video screen is displayed on the other monitor. In single-monitor mode, the video window is hidden after sharing is enabled. This function is disabled by default.
HWM_ENABLE_FEATURE_TYPE_SHOW_HANGUP_ATTENDEE	Whether to display the status of the participant who leaves the meeting in the participant list. This function is enabled by default.
HWM_ENABLE_FEATURE_TYPE_HOWLING_DETECTION	Whether to enable feedback suppression. This function is enabled by default.
HWM_ENABLE_FEATURE_TYPE_HIGH_RESOLUTION	Whether to enable 1080p HD display in a meeting. This function is enabled by default.
HWM_ENABLE_FEATURE_TYPE_MIC_SWITCH	Initial status of the microphone in a meeting. The microphone is enabled by default.
HWM_ENABLE_FEATURE_TYPE_CAM_SWITCH	Initial status of the camera in a meeting. The camera is disabled by default.
HWM_ENABLE_FEATURE_TYPE_HIDE_EXTERNAL_LABEL	Whether an external label is displayed or hidden in a meeting. By default, the external label is displayed.
HWM_ENABLE_FEATURE_AUTO_MIC_VOLUME	Whether to enable automatic microphone volume adjustment. This function is enabled by default. If the external microphone has automatic gain control (AGC), you are advised to disable this function.
HWM_ENABLE_FEATURE_BREAKOUT_CONF	Status of the breakout room function. This function is enabled by default.
HWM_ENABLE_FEATURE_CONFIRM_RECORD	Whether to display the recording confirmation prompt. This function is disabled by default.
HWM_ENABLE_FEATURE_DEFAULT_SHARE_AUDIO	Audio sharing. This function is disabled by default.
HWM_ENABLE_FEATURE_SUPPORT_DISCONNECT_AUDIO	Disconnecting audio. This function is disabled by default.
HWM_ENABLE_FEATURE_DISCONNECT_AUDIO_TO_JOIN_CONF	Joining a meeting without audio. This function is disabled by default.
HWM_ENABLE_FEATURE_CPU_REDUCTION_DETECT	Detecting CPU frequency reduction. This function is disabled by default.
HWM_ENABLE_FEATURE_SUPPORT_GUEST_INVITE	Inviting participants. This function is disabled by default.

Return Values

**Table 3** Return values
Type	Description
HwmErrCode	If 0 is returned, the operation is successful. If other values are returned, the operation fails. For details about values returned upon failures, see Common Error Codes.

Sample Code

   
        /**
* Configure multi-monitor mode status.
*/
void demoEnableFeatureDlg::OnBnClickedButtonMultiMonitor()
{
    bool isCheck = true;
    int ret = hwmsdkagent::EnableFeature(hwmsdkagent::HWM_ENABLE_FEATURE_TYPE_MULTI_MONITOR, isCheck);
    if (hwmsdk::HWM_COMMON_SUCCESS != ret)
    {
        AfxMessageBox(_T("Enable multi monitor failed"));
    }
}