Classes.TShiftState Type

TShiftState indicates the state of the Alt, Ctrl, and Shift keys and the mouse buttons.

Pascal

TShiftState = set of (ssShift, ssAlt, ssCtrl, ssLeft, ssRight, ssMiddle, ssDouble);

C++

(ssShift, ssAlt, ssCtrl, ssLeft, ssRight, ssMiddle, ssDouble) TShiftState;

File

Classes

Description

The TShiftState type is used by key-event and mouse-event handlers to determine the state of the Alt, Ctrl, and Shift keys and the state of the mouse buttons when the event occurs. It is a set of flags that indicate the following:

Value	Meaning
ssShift	The Shift key is held down.
ssAlt	The Alt key is held down.
ssCtrl	The Ctrl key is held down.
ssLeft	The left mouse button is held down.
ssRight	The right mouse button is held down.
ssMiddle	The middle mouse button is held down.
ssDouble	The mouse was double-clicked.