Event fired when any key is released while the control has focus.

Parameters

<virtual key expN>

The Windows virtual-key code of the key released. For a list of virtual-key codes, see the Win32 Programmer’s Reference (search for "Virtual-key Codes" in the index).

<repeat count expN>

The number of times the keystroke is repeated based on how long the key is held down; always 1 for onKeyUp.

<key data expN>

A double-byte value that contains information about the key released, stored in separate bits. The bits of this parameter contain the following information:

Bit numbers

Description

0–7

Keyboard scan code (OEM dependent)

8

Extended key (1 if true) such as right Alt and Ctrl, and numbers on numeric keypad

9–12

Reserved

13

Context code: always 0 for onKeyUp

14

Previous key state: always 1 for onKeyUp

15

Transition state: always 1 for onKeyUp

Property of

PaintBox

Description

Use onKeyUp with onKeyDown for complete control of keystrokes while a PaintBox object has focus. For more information, see onKeyDown.