The "Key Down" event is supported from ForeUI V2.10, also we can check the "Current_Key_Code" system property to know which key is currently pressed. The key code table below is very useful when you want to test key code value in condition expression.
0
10
20
Caps Lock
30
40
Arrow Down
1
11
21
31
41
2
12
22
32
42
3
13
Enter
23
33
Page Up
43
4
14
24
34
Page Down
44
5
15
25
35
End
45
Insert
6
16
Shift
26
36
Home
46
Delete
7
17
Ctrl
27
Esc
37
Arrow Left
47
8
Backspace
18
Alt
28
38
Arrow Up
48
0
9
Tab
19
Pause/Break
29
39
Arrow Right
49
1
50
2
60
70
f
80
p
90
z
51
3
61
=+
71
g
81
q
91
Windows
52
4
62
72
h
82
r
92
53
5
63
73
i
83
s
93
Right Click
54
6
64
74
j
84
t
94
55
7
65
a
75
k
85
u
95
56
8
66
b
76
l
86
v
96
0 (Num Lock)
57
9
67
c
77
m
87
w
97
1 (Num Lock)
58
68
d
78
n
88
x
98
2 (Num Lock)
59
;:
69
e
79
o
89
y
99
3 (Num Lock)
100
4 (Num Lock)
110
. (Num Lock)
120
F9
130
140
101
5 (Num Lock)
111
/ (Num Lock)
121
F10
131
141
102
6 (Num Lock)
112
F1
122
F11
132
142
103
7 (Num Lock)
113
F2
123
F12
133
143
104
8 (Num Lock)
114
F3
124
134
144
Num Lock
105
9 (Num Lock)
115
F4
125
135
145
Scroll Lock
106
* (Num Lock)
116
F5
126
136
146
107
+ (Num Lock)
117
F6
127
137
147
108
118
F7
128
138
148
109
- (Num Lock)
119
F8
129
139
149
150
160
170
180
190
.>
151
161
171
181
191
/?
152
162
172
182
My Computer
192
`~
153
163
173
183
My Calculator
193
154
164
174
184
194
155
165
175
185
195
156
166
176
186
196
157
167
177
187
197
158
168
178
188
,<
198
159
169
179
189
199
200
210
220
\|
230
240
201
211
221
]}
231
241
202
212
222
'"
232
242
203
213
223
233
243
204
214
224
234
244
205
215
225
235
245
206
216
226
236
246
207
217
227
227
227
208
218
228
238
248
209
219
[{
229
239
249
I'm an expert in user interface design and development, particularly knowledgeable about the ForeUI platform. My expertise is rooted in hands-on experience and a deep understanding of the concepts and features associated with ForeUI.
In the provided information, the mention of the "Key Down" event being supported from ForeUI V2.10 indicates the capability to capture keyboard events in user interfaces. This is a crucial feature for designing interactive and responsive applications.
The "Current_Key_Code" system property is highlighted as a means to determine which key is currently pressed. This is a valuable piece of information for developers who want to create conditional expressions based on the key being pressed.
The accompanying key code table provides a comprehensive reference for key codes associated with various keys. Each key is assigned a numeric code, making it convenient for developers to use these codes in condition expressions or when testing key code values.
For instance, the table includes codes for common keys like Enter, Arrow keys, Shift, Ctrl, Alt, and function keys (F1-F12). Additionally, it covers keys related to Num Lock, Scroll Lock, and specific characters.
Understanding and utilizing this key code table is essential for ForeUI developers, enabling them to design more interactive and user-friendly interfaces by responding to specific key events effectively. If you have any specific questions or if there's a particular aspect you'd like more information on, feel free to ask.
The Caps-Lock key always has the code 66 on PC keyboards (If you are curious how to find out something like this, just call the small program xev and press Caps-Lock).
keycode (plural keycodes) (computing) A code that represents a keypress. A code that serves to unlock something, such as an electronic door or a car stereo (as an antitheft measure).
KeyCode was deprecated because in practice it was “inconsistent across platforms and even the same implementation on different operating systems or using different localizations.” The new recommendation is to use key or code .
How to tell whether Caps Lock is on. If you pressed the Caps Lock key, you can turn it off by pressing the key again. Many keyboards have a built-in status indicator that lights up when the Caps Lock key is on. This LED is located either directly on the key or on the status bar of the keyboard, if there is one.
Scroll lockis a feature found on some computer keyboards that allows you to lock the scroll bar so you can use your arrow keys to navigate any document without accidentally moving the page.
The enter key is a computer innovation which is an alternative to the OK button. The function of enter key is typically to finish an 'entry' and begin the desired process. It causes a dialog box, window form or command line to perform its default function.
You typically will not be able to decode the number on your own unless you're a licensed locksmith or security professional with access to specific databases that allow you to match up the code with the specific key and its manufacturer.
The delete control character (also called DEL or rubout) is the last character in the ASCII repertoire, with the code 127. It is supposed to do nothing and was designed to erase incorrect characters on paper tape.
For example, the A key on the keyboard produces the same key code when pressed, even though its character code might be 65 (uppercase A)or 97 (lowercase a), depending on whether the Shift key is down at the same time.
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