I Functions Reference (AutoLISP)


These AutoLISP functions all start with 'I'.


  • if

    Conditionally evaluates expressions

  • initcommandversion

    Forces the next command to run with the specified version

  • initdia

    Forces the display of the next command's dialog box

  • initget

    Establishes keywords for use by the next user-input function call

  • inters

    Finds the intersection of two lines

  • ispropertyreadonly

    Returns the read-only state of an entity’s property

  • itoa

    Returns the conversion of an integer into a string