by Stringer (11 Submissions)
Category: Miscellaneous
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Mon 6th October 2003
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
This code is used to change the state of the caps lock so if its on then its turned off and if its off its turned on!! (If there are any
API Declarations
Option Explicit
Private Const VER_PLATFORM_WIN32_NT = 2
Private Const VER_PLATFORM_WIN32_WINDOWS = 1
Private Const VK_CAPITAL = &H14
Private Const KEYEVENTF_EXTENDEDKEY = &H1
Private Const KEYEVENTF_KEYUP = &H2
Private Type OSVERSIONINFO
dwOSVersionInfoSize As Long
dwMajorVersion As Long
dwMinorVersion As Long
dwBuildNumber As Long
dwPlatformId As Long
szCSDVersion As String * 128
End Type
' API declarations:
Private Declare Function GetVersionEx Lib "kernel32" _
Alias "GetVersionExA" _
(lpVersionInformation As OSVERSIONINFO) As Long
Private Declare Sub keybd_event Lib "user32" _
(ByVal bVk As Byte, _
ByVal bScan As Byte, _
ByVal dwFlags As Long, ByVal dwExtraInfo As Long)
Private Declare Function GetKeyboardState Lib "user32" _
(pbKeyState As Byte) As Long
Private Declare Function SetKeyboardState Lib "user32" _
(lppbKeyState As Byte) As Long
Private Declare Function GetKeyState Lib _
"user32" (ByVal nVirtKey As Long) As Integer
'This code was generated by JOHN STRINGER
VBcoders
Dim iKeyState As Integer
iKeyState = GetKeyState(vbKeyCapital)
CapsLockOn = (iKeyState = 1 Or iKeyState = -127)
End Function
Public Sub ToggleCapsLock(TurnOn As Boolean)
'To turn capslock on, set turnon to true
'To turn capslock off, set turnon to false
Dim bytKeys(255) As Byte
Dim bCapsLockOn As Boolean
'Get status of the 256 virtual keys
GetKeyboardState bytKeys(0)
bCapsLockOn = bytKeys(VK_CAPITAL)
Dim typOS As OSVERSIONINFO
If bCapsLockOn <> TurnOn Then 'if current state <>
'requested stae
If typOS.dwPlatformId = _
VER_PLATFORM_WIN32_WINDOWS Then '=== Win95/98
bytKeys(VK_CAPITAL) = 1
SetKeyboardState bytKeys(0)
Else '=== WinNT/2000
'Simulate Key Press
keybd_event VK_CAPITAL, &H45, _
KEYEVENTF_EXTENDEDKEY Or 0, 0
'Simulate Key Release
keybd_event VK_CAPITAL, &H45, KEYEVENTF_EXTENDEDKEY _
Or KEYEVENTF_KEYUP, 0
End If
End If
End Sub
Private Sub Form_load()
If CapsLockOn = False Then
ToggleCapsLock (True)
elseIf CapsLockOn = True Then
ToggleCapsLock (False)
End If
End Sub
No comments have been posted about This code is used to change the state of the caps lock so if its on then its turned off and if its . Why not be the first to post a comment about This code is used to change the state of the caps lock so if its on then its turned off and if its .