ymotchi

Private Sub CheckBox1_Change()
    If CheckBox1.Value = True Then
        Module1.catchClipboard
    Else
        Module1.releaseClipboard
    End If
End Sub

Private Sub UserForm_QueryClose(Cancel As Integer, CloseMode As Integer)
    If CheckBox1.Value = True Then

ymotchi

Option Explicit

Private Declare PtrSafe Function FindWindow Lib "user32.dll" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As LongPtr
Private Declare PtrSafe Function SetWindowLong Lib "user32.dll" Alias "SetWindowLongA" (ByVal hWnd As LongPtr, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare PtrSafe Function CallWindowProc Lib "user32.dll" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hWnd As LongPtr, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As LongPtr) As LongPtr
Private Declare PtrSafe Function SendMessage Lib "user32.dll" Alias "SendMessageA" (ByVal hWnd As LongPtr, ByVal Msg As Long, ByVal wParam As LongPtr, ByVal lParam As LongPtr) As LongPtr
Private Declare PtrSafe Function SetClipboardViewer Lib "user32.dll" (ByVal hWndNewViewer As LongPtr) As LongPtr
Private Declare PtrSafe Function ChangeClipboardChain Lib "user32.dll" (ByVal hWndRemove As LongPtr, ByVal hWndNewNext As LongPtr) As Long
Private Declare Function IsClip