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ReadVars - method of the PmaCommMsg object

Description:
The method returns object of the PmVar type that represents one variable defined on the "Data-received" tab.
Syntax:
Object ReadVars(Variant id)
Parameters:
id(Variant) Specifies the variable. The value je:
- Name (String, case sensitive text, for example "d1") or
- Index (Long, zero-based index)
Note:
The PmVar object contains information about the variable (value, name, index, etc.).
If the variable does not exist, then error value (null for JavaScript or Nothing pro VBScript) is returned..
See also:
- PmaCommMsg.WriteVars (method)
- PmaData.Item (method)
Example1:
JavaScriptVBScriptSelect and copy to clipboard

var val = oMsg.ReadVars("xy").Value;
//or
val = oMsg.ReadVars(0).Value;
Example2:
Values of the variables on the "Data-received" tab will be copied into the variables of the PmaData object.
JavaScriptVBScriptSelect and copy to clipboard

var i;
var oData = pMe.Pm("/Data");
var oMsg = pMe.Pm("/Comm/mr1");

for (i = 0; i < oMsg.Count; i++)
oData.Item(i).Value = oMsg.ReadVars(i).Value;
PROMOTIC 9.0.16 SCADA system documentation - MICROSYS, spol. s r.o.

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