Advantech DVP-7410 Especificações descarregar pdf (Página 49)

HRESULT Adv_DVPAPI_GetFileInfo(

BSTR lpPath,

LPWORD lpwFile_no,

LPWORD lpwFiles)

Description

Retrieves name and position (relative to the current list) of the currently loaded

file.

Parameters

lpPath

[out] Pointer to a NULL terminated wide character string to contain

the currently loaded file path. This parameter can be NULL if not

required. The path length must not exceed MAX_PATH.

lpwFile_no

[out] Pointer to the returned 1 based index of the file being played.

This parameter can be NULL if not required.

lpwFiles

[out] Pointer to the returned number of files in the current list.

This parameter can be NULL if not required.

Return Value

E_FAIL: Failure.

S_OK: Success.

E_INVALIDARG : No arguments were requested.

Adv_DVPAPI_GetVideoPosition

Syntax

HRESULT Adv_DVPAPI_GetVideoPosition(

LPRECT lprPosition)

Description

Retrieves the current position of the video window relative to its parent’s client

area

Parameters

lprPosition

[out] Pointer to the rectangular region occupied by the

video window relative to its parent’s client area

Return Value

E_FAIL: Failure.

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Advantech DVP-7410 Especificações Página 49