Interface IHMIInterface

Unit

HMITypes

Declaration

type IHMIInterface = interface(IInterface)

Description

: IHMIInterface defines a interface to interact with all HMI window controls.

Attributes

GUID['{62FF1979-FA70-4965-B24F-347A69AC2EB1}']

Hierarchy

• IInterface
• IHMIInterface

Overview

Methods

	function GetControlSecurityCode:UTF8String;
	procedure MakeUnsecure;
	procedure SetHMITag(t:TPLCTag);
	function GetHMITag:TPLCTag;
	procedure CanBeAccessed(a:Boolean);

Properties

property Tag: TPLCTag read GetHMITag write SetHMITag;

Description

Methods

	function GetControlSecurityCode:UTF8String;
: Gets the access code of the control.

	procedure MakeUnsecure;
: Clear the security of the control, making it unsecure.

	procedure SetHMITag(t:TPLCTag);
: Updates the link of the control with a tag

	function GetHMITag:TPLCTag;
: Returns the tag linked with the control.

	procedure CanBeAccessed(a:Boolean);
: Enables/disables the control. See also Enabled

Properties

	property Tag: TPLCTag read GetHMITag write SetHMITag;
: Property to get/set the tag of the control through the interface.

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