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Edge HMI

CharToValueW

  • Last UpdatedOct 29, 2026
  • 1 minute read

This function converts a string to Unicode character codes, combines each two codes into a double-byte word, and then stores those values in an integer array.

Function

Group

Execution

String Exp.

Windows

Windows Embedded

IoT View

Thin Clients

Mobile Access

CharToValueW

String

Synchronous

No

Supported

Supported

Supported

Supported

Supported

Syntax

CharToValueW ( " 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, 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 half the number of characters in the string.

Notes

Because of how each two character codes are combined into single value, this function only supports Unicode character codes 0 through 255. For character codes greater than 255, or when double-byte words are not needed, use the CharToValue function.

Examples

If StrTag = "Studio", then Array[0] = 29779 ("St"), Array[1] = 25717 ("ud"), and Array[2] = 28521 ("io"):

CharToValue( "StrTag", "Array" )

If StrTag = "Studio", then Array[10] = 29779 ("St"), Array[11] = 25717 ("ud"), and Array[12] = 28521 ("io"):

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

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