Excel VBA - API ile CapsLock Durumu Değiştirme

[Bülent Öztürk]

CapsLock durumunu değiştirmek için kullanabileceğiniz aşağıdaki kodu kullanabilirsiniz.

Gerekli malzemeler:
1-UserForm : UserForm1
2-Label : Label1
3-CommandButton: cmdTurnOn
4-CommandButton: cmdTurnOff
5-ToggleButton: cmdToggle
6-TextBox: TextBox1

Kod: [Seç]

Option Explicit

Private kbArray As KeyboardBytes
Private Declare Function GetKeyState Lib "user32" (ByVal nVirtKey As Long) As Long
Private Declare Function GetKeyboardState Lib "user32" (kbArray As KeyboardBytes) As Long
Private Declare Function SetKeyboardState Lib "user32" (kbArray As KeyboardBytes) As Long
Private Type KeyboardBytes
    kbByte(0 To 255) As Byte
End Type
Private Const VK_CAPITAL = &H14

Function CapsLock() As Boolean
    CapsLock = (GetKeyState(VK_CAPITAL) And 1 = 1)
End Function

Private Sub cmdToggle_Click()
    GetKeyboardState kbArray
    kbArray.kbByte(VK_CAPITAL) = _
        IIf(kbArray.kbByte(VK_CAPITAL) = 1, 0, 1)
    SetKeyboardState kbArray

    If CapsLock() Then
        Label1.Caption = "On"
    Else
        Label1.Caption = "Off"
    End If
End Sub

Private Sub cmdTurnOn_Click()
    GetKeyboardState kbArray
    kbArray.kbByte(VK_CAPITAL) = 1
    SetKeyboardState kbArray

    If CapsLock() Then
        Label1.Caption = "On"
    Else
        Label1.Caption = "Off"
    End If
End Sub

Private Sub cmdTurnOff_Click()
    GetKeyboardState kbArray
    kbArray.kbByte(VK_CAPITAL) = 0
    SetKeyboardState kbArray

    If CapsLock() Then
        Label1.Caption = "On"
    Else
        Label1.Caption = "Off"
    End If
End Sub


Private Sub UserForm_Initialize()
 If CapsLock() = 1 Then Label1 = "On" Else Label1 = "Off"
End Sub