# Function Reference

# IsBinary

Checks if a variable or expression is a binary type.

IsBinary ( expression )

## Parameters

expression | The variable or expression to check.

## Return Value

Success: | 1.
Failure: | 0 if expression is not binary type.

## Remarks

See language datatypes for a detailed description.

## Related

Binary, BinaryToString, IsArray, IsBool, IsFloat, IsHWnd, IsInt, IsMap, IsNumber, IsString, StringToBinary, VarGetType

## Example

    #include <MsgBoxConstants.au3>

    Local $dBinary = Binary("0x00204060")
    Local $sString = "0x00204060"

    MsgBox($MB_SYSTEMMODAL, "", "Returns 1 as the variable is binary: " & IsBinary($dBinary))
    MsgBox($MB_SYSTEMMODAL, "", "Returns 0 as the variable is a string: " & IsBinary($sString))