Information Class

Reference

Definition

Namespace:: Microsoft.VisualBasic

Assembly:: Microsoft.VisualBasic.Core.dll

Assembly:: Microsoft.VisualBasic.dll

Source:: Information.vb

Source:: Information.vb

Source:: Information.vb

Important

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

public ref class Information sealed

[Microsoft.VisualBasic.CompilerServices.StandardModule]
public sealed class Information

[<Microsoft.VisualBasic.CompilerServices.StandardModule>]
type Information = class

Public Module Information

Inheritance: Object
Information

Attributes: StandardModuleAttribute

Examples

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.

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.

Methods

Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
Erl()	Returns an integer indicating the line number of the last executed statement. Read-only.
Err()	Contains information about run-time errors.
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
IsArray(Object)	Returns a `Boolean` value indicating whether a variable points to an array.
IsDate(Object)	Returns a `Boolean` value indicating whether an expression represents a valid `Date` value.
IsDBNull(Object)	Returns a `Boolean` value indicating whether an expression evaluates to the DBNull class.
IsError(Object)	Returns a `Boolean` value indicating whether an expression is an exception type.
IsNothing(Object)	Returns a `Boolean` value indicating whether an expression has no object assigned to it.
IsNumeric(Object)	Returns a `Boolean` value indicating whether an expression can be evaluated as a number.
IsReference(Object)	Returns a `Boolean` value indicating whether an expression evaluates to a reference type.
LBound(Array, Int32)	Returns the lowest available subscript for the indicated dimension of an array.
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
QBColor(Int32)	Returns an `Integer` value representing the RGB color code corresponding to the specified color number.
RGB(Int32, Int32, Int32)	Returns an `Integer` value representing an RGB color value from a set of red, green and blue color components.
SystemTypeName(String)	Returns a `String` value containing the system data type name of a variable.
ToString()	Returns a string that represents the current object. (Inherited from Object)
TypeName(Object)	Returns a `String` value containing data-type information about a variable.
UBound(Array, Int32)	Returns the highest available subscript for the indicated dimension of an array.
VarType(Object)	Returns an `Integer` value containing the data type classification of a variable.
VbTypeName(String)	Returns a `String` value containing the Visual Basic data type name of a variable.

Applies to

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