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| IsCharAlphaNumeric The IsCharAlphaNumeric function determines whether a character is either an alphabetic or a numeric character. This determination is based on the semantics of the language selected by the user during setup or by using Control Panel. VB4-32,5,6
Declare Function IsCharAlphaNumeric Lib "user32" Alias "IsCharAlphaNumericA" (ByVal cChar As Byte) As Long |
VB.NET
System.Char.IsLetterOrDigit |
| Operating Systems Supported |
| Requires Windows NT 3.1 or later; Requires Windows 95 or later |
· ch
Specifies the character to be tested. |
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError. |
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