CNVSetScalarDataValue

int CNVSetScalarDataValue (CNVData data, CNVDataType type, ...);

Purpose

Sets the specified scalar value in the data.

Parameters

Input
Name Type Description
data CNVData The handle that identifies the network variable data.
type CNVDataType The type of the specified network variable data. Note that CNVBool refers to a 1-byte boolean type (char or unsigned char), and CNVString refers to a C-style NUL-terminated string.
value ... The new value of the network variable data.

Return Value

Name Type Description
status int Return value indicating whether the function was successful. One indicates that a next item was found, zero indicates that a next item was not found, and a negative number indicates that an error occurred.

You can call CNVGetErrorDescription to obtain a string that describes the error.

Additional Information

Library: Network Variable Library

Include file: cvinetv.h

LabWindows/CVI compatibility: LabWindows/CVI 8.1 and later

Examples

Refer to the following examples that use the CNVSetScalarDataValue function:

  • networkvariable\Buffering\NVBuffering.cws

    Open example
  • networkvariable\Polling\NVPolling.cws

    Open example

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