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Stored procedures
Lists the variables found in the MATLAB session.
Example
gnSessionID is int
gnSessionID = mlInitialize()

IF gnSessionID = -1 THEN
Error(ErrorInfo(errFullDetails))
END

// Code of BTN_ListVariables button
sVarList is string = mlListVariable(gnSessionID)

EDT_Result = sVarList
gnSessionID is int
gnSessionID = mlInitialize()

IF gnSessionID = -1 THEN
Error(ErrorInfo(errFullDetails))
END

// Code of BTN_Create_Variables button
aParameter is array of 1 real = [4]
aResult is array of 1 by 1 real = [[123]]

IF not mlSetVariable(gnSessionID, "i", aParameter) THEN
Error("Failure writing the variable")
RETURN
END

sCodeToRun is string = "myRoot = sqrt(i)"
EDT_Result = mlExecute(gnSessionID, sCodeToRun)

aResult = mlGetVariable(gnSessionID, "myRoot")
IF ErrorOccurred THEN
Trace("Error: "+ErrorInfo())
END

Trace("Root = " + aResult[1,1])

Trace("List of variables before deletion: " + mlListVariable(gnSessionID))

mlDeleteVariable(gnSessionID, "i")
mlDeleteVariable(gnSessionID, "myRoot")

Trace("List of variables after deletion: " + mlListVariable(gnSessionID))
Syntax
<Result> = mlListVariable(<Session Identifier>)
<Result>: Character string
List of variables found in the MATLAB session. The variables are separated by a CR character (Carriage Return).
<Session Identifier>: Integer
Identifier of MATLAB session. This identifier is returned by mlInitialize.
Components
WINDEVReports and Queries wd230com.dll
Minimum required version
  • Version 20
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