lang • is

IS

Result = Expression [ NOT ] IS Class

Returns TRUE if an object is an instance of a class, or one of its descendants.

If NOT is specified, the test is inverted.

  • Expression is any expression that returns an object reference.

  • Class is a class name.

Examples

Print ["Gambas", "rules!"] Is String[]

True

Dim myTextBox As New TextBox(Me)

Print myTextBox Is Control

True

Print ["Gambas", "rules!"] Is Collection

False

Examples

Print ["Gambas", "rules!"] Not Is Collection

True

See also