discardChanges

Discard data in memory and reload from connected data source

Since R2024a

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    Syntax

    discardChanges(connectionObj)

    Description

    discardChanges(connectionObj) discards the data in memory and reloads the data from the connected data source connectionObj. The function returns 1 (true) if the discard was successful, and 0 (false) if the data connection was unable to revert the data from the disk.

    example

    Examples

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    Get the value for the variable x in a data dictionary.

    dd = Simulink.data.connect("myDictionary.sldd");
dd.x 

    ans = 
    1

    Update the variable x and get its new value.

    dd.x = dd.x + 2;
dd.x 

    ans = 
    3

    Discard the changes to the data dictionary. Variable x is set back to its original value.

    success = discardChanges(dd);
dd.x

    ans = 
    1

    Input Arguments

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    Connection to data source, specified as a Simulink.data.DataConnection object.

    Version History

    Introduced in R2024a

    See Also

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    Topics