TiStripChart.GetChannelDataIsNull

TiStripChart See Also

Used for getting a specific piece of data from a specific channel and returns a boolean indicating if the data is null.

function GetChannelDataIsNull(Channel, Index: Integer; var Data : Double) : Boolean;

Description

Use GetChannelDataIsNull to get a specific piece of data from a specific channel and returns a boolean indicating if the data is null. When time indexes are added to the strip chart, each channel tracks the highest data point set for that channel using the ChannelData property or the SetChannelsData method. All data points after the highest data point are considered null.

Example

Delphi

DataIsNull := iComponent.GetChannelDataIsNull(0, 20, Value);

C++ Builder

DataIsNull = iComponent->GetChannelDataIsNull(0, 20, Value);

Note: Channel and Index are zero based.

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