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Edge HMI

CharToValue

  • Last UpdatedOct 29, 2026
  • 1 minute read

This function converts a string to Unicode character codes and then stores those values in an integer array.

Function

Group

Execution

String Exp.

Windows

Windows Embedded

IoT View

Thin Clients

Mobile Access

CharToValue

String

Synchronous

No

Supported

Supported

Supported

Supported

Supported

Syntax

CharToValue ( " tagString " , " tagArray " )

tagString

The name of the string tag, whose value will be converted.

Note: If this parameter is enclosed in quotes, the string literal will be used. Otherwise, the value of the tag/expression will be used.

tagArray

The name of the integer array that will receive the converted values. If no array index is specified, then the default is 0.

Note: If this parameter is enclosed in quotes, the string literal will be used. Otherwise, the value of the tag/expression will be used.

Return value

Returns the number of array elements used, which should be equal to the number of characters in the string.

Examples

If StrTag = "ABC", then Array[0] = 65, Array[1] = 66, and Array[2] = 67:

CharToValue( "StrTag", "Array" )

If StrTag = "ABC", then Array[10] = 65, Array[11] = 66, and Array[12] = 67:

CharToValue( "StrTag", "Array[10]" )

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