VarType Function (Usual, Logic)

Returns the data type of an expression.

Note
VARTYPE( ) is similar to the TYPE( ) function, but VARTYPE( ) is faster and does not require quotation marks to enclose the expression for which the data type is returned.

Namespace: XSharp.VFP
Assembly: XSharp.VFP (in XSharp.VFP.dll) Version: 2.21

Syntax

 FUNCTION VarType(
	eExpression AS USUAL,
	lNullDataType AS LOGIC
) AS STRING

public static string VarType(
	Usual eExpression,
	bool lNullDataType
)

eExpression: Type: Usual
Specifies the expression for which the data type is returned. VARTYPE( ) returns a single character indicating the data type of the expression.
The table in the remarks section lists the characters that VARTYPE( ) returns for each data type.
lNullDataType: Type: Logic
Specifies whether VARTYPE( ) returns the data type when eExpression contains the null value. The table in the remarks section lists the values of lNullDataType.

Type: String
Character. VARTYPE( ) returns a character representing the data type of the specified expression.

Remarks

Return value	Data type
C	Character, Memo, Varchar, Varchar (Binary)
D	Date
G	General
L	Logical
N	Numeric, Float, Double, or Integer
O	Object
Q	Blob, Varbinary
T	DateTime
U	Unknown or variable does not exist
X	Null
Y	Currency

Note
If eExpression is an array, the first element in the array is evaluated.

lNullDataTypeDescriptionTrue (.T.)Return data type for eExpression.False (.F.) or omittedReturn 'X' to indicate eExpression contains a null value.