Brightsign Object Reference Manual (FW 5.1) Uživatelský manuál stáhnout pdf (Strana 266)

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roChannelManager

You can use this object to manage RF channel scanning and tuning. The roVideoPlayer method also has channel

scanning capabilities.

Object Creation: The roChannelManager object is created with no parameters.

CreateObject("roChannelManager")

Interfaces: ifUserData, ifMessagePort, ifSetMessagePort, ifChannelManager,

The ifUserData interface provides the following:

• SetUserData(user_data As Object): Sets the user data that will be returned when events are raised.

• GetUserData() As Object: Returns the user data that has previously been set via SetUserData(). It will

return Invalid if no data has been set.

The ifMessagePort interface provides the following:

• SetPort(a As Object)

The ifSetMessagePort interface provides the following:

• SetPort(a As Object)

The ifChannelManager interface provides both a Synchronous and Asynchronous API:

Synchronous API

• Scan(parameters As roAssociativeArray) As Boolean: Performs a channel scan on the RF input for

both ATSC and QAM frequencies and builds a channel map based on what it finds. The roChannelManager object

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