| Application. CompanyName property | Returns the name of the company that created the application |
| Application.ExecutablePath property | Returns the executable path to the application |
| Application.ProductName property | Returns the application's product name |
| Application.ProductVersion property | Returns the application's version number |
| Erl function | Indicates the line number at which an error occurred |
| IsArray function | Indicates whether a variable is an array |
| IsDate function | Indicates whether an argument is ” or can be converted to ” a date |
| IsDBNull function | Determines whether an expression evaluates to DbNull |
| IsError function | Determines whether an object is an exception type |
| IsNothing function | Determines if an object reference evaluates to Nothing |
| IsNumeric function | Determines if an expression is a number or can be converted to a number |
| IsReference function | Determines if an expression is a reference type rather than a value type |
| RGB function | Returns a system color code that can be assigned to object color properties |
| Rem statement | Indicates a remark or comment placed within the code |
| ScriptEngine function | Returns the name of the programming language |
| ScriptEngineBuildVersion function | Returns the build number |
| ScriptEngineMajorVersion function | Returns the major version |
| ScriptEngineMinorVersion function | Returns the minor version |
| SystemTypeName function | Returns the name of the CTS datatype corresponding to a VB.NET datatype |
| TypeName function | Returns the data type name of a variable |
| VarType function | Returns a constant indicating the data type of a variable |
| VbTypeName function | Returns the name of a VB.NET datatype that corresponds to a CTS datatype |
