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CByte - function of language VBScript

Description:
Returns an expression that has been converted to type Byte.
Syntax:
CByte(expression As Variant) As Byte
Calling:
n = CByte(expression)
Parameters:
expression(Variant) Any valid expression.
Note:

The conversion functions can be used e.g. if you want some operation result to be expressed as a particular data type (rather than the default data type). For example, use CByte to force Byte data type in cases where single-precision, double-precision, or integer arithmetic normally would occur.

Use the CByte function to provide internationally aware conversions from any other data type to a Byte type. For example, different decimal separators are properly recognized depending on the locale setting of your system, as are different thousand separators.

If expression lies outside the acceptable Range for the Byte type, an error occurs.

Example:
Dim nDouble, nByte
nDouble = 125.5678
nByte = CByte(nDouble) 'nByte contains 126
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