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Parallels Desktop® 10 for Mac — C API Reference Guide
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PrlSrvCfg_GetParallelPortsCount Function
PHT_SERVER_CONFIG

Determines the number of printer ports on the host.

Syntax 
PRL_RESULT PrlSrvCfg_GetParallelPortsCount(
    PRL_HANDLE hSrvConfig, 
    PRL_UINT32_PTR pnParallelPortsCount
);
File

PrlApiDisp.h

Parameters

hSrvConfig
A handle of type PHT_SERVER_CONFIG .
pnParallelPortsCount
[out] A pointer to a variable that receives the result
Returns

PRL_RESULT . Possible values:

PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.

PRL_ERR_SUCCESS - function completed successfully.

Links
PHT_SERVER_CONFIG
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