Echelon OpenLDV Manual de usuario descargar pdf (Pagina 42)

34 Using the OpenLDV API

Syntax

LDVCode ldv_xlate_device_name(

LPCSTR device_name,

LPSTR driver_name,

int* driver_name_len

)

Table 19. ldv_xlate_device_name() Parameters

Parameter Direction Description

device_name Input The name of the network interface.

driver_name Output A pointer to a buffer to receive the physical name.

driver_name_len Input

Output

A pointer to the length of the buffer that will receive the

physical name.

On return, set to the length of the returned name.

Remarks

This function returns LDV_OK if the physical name for the network interface is

successfully retrieved.

ldvx_open()

Call this function to establish communications between your application and a

network interface. This function also registers a Windows HWND object for

receiving session state change notifications and returns a unique handle that you

can provide to the other OpenLDV functions to identify this instance of the

network interface.

Syntax

LDVCode ldvx_open(

LPCSTR id,

LdvHandle* handle,

HWND hWnd,

LONG tag

)

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Echelon OpenLDV Manual de usuario Pagina 42