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Information Module (Visual Basic) 

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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