vbAccelerator - Contents of code file: cTextBoxEdit.cls
VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
END
Attribute VB_Name = "cTextBoxEdit"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Option Explicit
Private Declare Function SendMessageLong Lib "USER32" Alias "SendMessageA"
(ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As
Long) As Long
Private Declare Function SendMessageString Lib "USER32" Alias "SendMessageA"
(ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As
String) As Long
Private Const WM_COMMAND = &H111
Private Const WM_CUT = &H300
Private Const WM_COPY = &H301
Private Const WM_PASTE = &H302
Private Const EM_UNDO = &HC7
Private Const EM_CANUNDO = &HC6
Private Const EM_REPLACESEL = &HC2
Private Declare Function IsClipboardFormatAvailable Lib "USER32" _
(ByVal wFormat As Long) As Long
Private Const CF_TEXT = 1
Private Const CF_UNICODETEXT = 13
Private Const CF_OEMTEXT = 7
Private m_txtThis As TextBox
Public Property Let TextBox(ByRef txtThis As TextBox)
Set m_txtThis = txtThis
End Property
Public Sub Cut()
SendMessageLong m_txtThis.hWnd, WM_CUT, 0, 0
End Sub
Public Sub Copy()
SendMessageLong m_txtThis.hWnd, WM_COPY, 0, 0
End Sub
Public Sub Paste()
SendMessageLong m_txtThis.hWnd, WM_PASTE, 0, 0
End Sub
Public Sub Undo()
If (SendMessageLong(m_txtThis.hWnd, EM_CANUNDO, 0, 0) <> 0) Then
SendMessageLong m_txtThis.hWnd, EM_UNDO, 0, 0
End If
End Sub
Public Property Get CanCut() As Boolean
CanCut = (Not (m_txtThis.Locked) And m_txtThis.SelLength > 0)
End Property
Public Property Get CanCopy() As Boolean
CanCopy = (m_txtThis.SelLength > 0)
End Property
Public Property Get CanPaste() As Boolean
If IsClipboardFormatAvailable(CF_TEXT) Then
CanPaste = True
ElseIf IsClipboardFormatAvailable(CF_UNICODETEXT) Then
CanPaste = True
ElseIf IsClipboardFormatAvailable(CF_OEMTEXT) Then
CanPaste = True
End If
End Property
Public Property Get CanUndo() As Boolean
CanUndo = (SendMessageLong(m_txtThis.hWnd, EM_CANUNDO, 0, 0) <> 0)
End Property
Public Sub ReplaceSelection(ByRef sText As String, Optional ByVal bAllowUndo =
True)
Dim lR As Long
If (m_txtThis.SelLength > 0) Then
lR = Abs(bAllowUndo)
SendMessageString m_txtThis.hWnd, EM_REPLACESEL, lR, sText
End If
End Sub
Public Sub Delete(Optional ByVal bAllowUndo = True)
Dim lR As Long
SendMessageString m_txtThis.hWnd, EM_REPLACESEL, lR, vbNullChar
End Sub
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