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This SDK only works with devices released within the past 3 years. We regularly optimize and update the SDK to ensure compatibility and performance. We do not guarantee compatibility or provide technical support for devices older than 3 years.

# NET_SDK_GetVideoEffect

### Interface Definition

C++C#

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    BOOL NET_SDK_GetVideoEffect(
        LONG lUserID,
        LONG lChannel,
        DWORD* pBrightValue,
        DWORD* pContrastValue,
        DWORD* pSaturationValue,
        DWORD* pHueValue);

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    public static extern Boolean NET_SDK_GetVideoEffect(
        Int32 lUserID,
        Int32 lChannel,
        ref UInt32 pBrightValue,
        ref UInt32 pContrastValue,
        ref UInt32 pSaturationValue,
        ref UInt32 pHueValue);

### Function Description

Get preview video display parameters.

### Parameter Description

Parameters | Type | Remark
--- | --- | ---
lUserIDin | LONG | User ID, the return value of `NET_SDK_Login` or `NET_SDK_LoginEx`.
lChannelin | LONG | Channel number, starting from 0. This parameter is invalid for IPC devices.
pBrightValueout | DWORD* | Brightness.
pContrastValueout | DWORD* | Contrast.
pSaturationValueout | DWORD* | Saturation.
pHueValueout | DWORD* | Chroma.

### Return Value

- Type：BOOL

- Remark：Returns TRUE if successful, FALSE if failed.

### Remarks

None

Error Code