Information Module (Visual Basic)

The Information module contains the procedures used to return, test for, or verify information.

Remarks

This module supports the Visual Basic language keywords and run-time library members that provide error information, validate data, determine array bounds, and retrieve data type and color information.

Members

Err

IsArray

IsDate

IsDBNull

IsError

IsNothing

IsNumeric

IsReference

LBound

QBColor

RGB

SystemTypeName

TypeName

UBound

VarType

VbTypeName

Example

The following example uses the VbTypeName function to return data type names for several variables.

Dim sysDateName As String = "System.DateTime"
Dim sysShortName As String = "Int16"
Dim sysBadName As String = "Nonsense"
Dim testVbName As String
testVbName = VbTypeName(sysDateName) 
' Returns "Date".
testVbName = VbTypeName(sysShortName) 
' Returns "Short".
testVbName = VbTypeName(sysBadName) 
' Returns Nothing.

See Also

Reference

Information and Interaction Summary

Data Types Summary

Declarations and Constants Summary

Keywords and Members by Task

Visual Basic Language Keywords

Visual Basic Run-Time Library Members

Keywords Compared in Different Languages