A.12. Information Functions
Err Function
Returns the error code of the last error
IMEStatus Function
Returns the system's current IME mode
IsArray Function
Returns True if a variable is an array
IsDate Function
Returns True if an expression can be converted to a date
IsEmpty Function
Returns True if a variant variable has not been initialized
IsError Function
Returns True if an expression is an error value
IsMissing Function
Returns True if an optional parameter has not been passed
IsNull Function
Returns True if an expression evaluates to Null
IsNumeric Function
Returns True if an expression can be evaluated as a number
IsObject Function
Returns True if a variable contains an object reference
QBColor Function
Returns the RGB color code for a specified color number
RGB Function
Returns a number representing an RGB color value
TypeName Function
Returns the data subtype name of a variant variable
VarType Function
Returns a number representing the data subtype of a variant variable
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