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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_GetPTZConfig

### Interface Definition

C++C#

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    BOOL NET_SDK_GetPTZConfig(
        LONG lUserID,
        LONG lChannel,
        DWORD dwPTZCmd,
        LPVOID lpInBuffer,
        DWORD dwInBufferSize,
        LPVOID lpOutBuffer,
        DWORD dwOutBufferSize,
        LPDWORD lpBytesReturned);

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    public static extern bool NET_SDK_GetPTZConfig(
        int lUserID,
        int lChannel,
        int dwCommand,
        IntPtr lpInBuffer,
        int dwInBufferSize,
        IntPtr lpOutBuffer,
        int dwOutBufferSize,
        ref int lpBytesReturned);

### Function Description

Get PTZ related configuration.

### 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.
dwPTZCmdin | DWORD | For device configuration commands, refer to `DD_PTZ_CONFIG_E`.
lpInBufferin | LPVOID | The buffer pointer for sending data does not need to be NULL.
dwInBufferSizein | DWORD | The buffer length for sending data (in bytes), which does not need to be 0.
lpOutBufferout | LPVOID | Pointer to the buffer where data is received.
dwOutBufferSizein | DWORD | The buffer length for receiving data (in bytes) cannot be 0.
lpBytesReturnedout | LPDWORD | Pointer to the actual received data length, cannot be NULL.

### Return Value

- Type：BOOL

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

### Remarks

Different acquisition functions correspond to different structures and command numbers, as shown in the following table:

dwPTZCmd command value | dwPTZCmd meaning | Send data lpInBuffer | Receive structure
--- | --- | --- | ---
DD_PTZ_CONFIG_PRESET | Get channel preset point | NULL | `DD_PTZ_PRESET_CONFIG_Ex`
DD_PTZ_CONFIG_CRUISE | Get channel cruise line | NULL | `DD_CH_CRUISE`
DD_PTZ_CONFIG_CRUISE_POINT | Get channel cruise line preset point | unsigned int(cruiseIndex) | `DD_CRUISE_POINT_INFO`

Error Code