Option Explicit
Public Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
Public Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Public Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hwnd As Long, ByVal msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Public Const GWL_WNDPROC = (-4)
Public Const WM_NCLBUTTONDBLCLK = &H203 'DoubleClick Message
Public prevWndProc As Long
Public Function WndProc(ByVal hwnd As Long, ByVal msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
If msg = WM_NCLBUTTONDBLCLK Then 'DoubleClick Message
'Eat The Message
Else 'Other Message send to next
WndProc = CallWindowProc(prevWndProc, hwnd, msg, wParam, lParam)
End If
End Function
'*************************************************************************
'**三つ自動コンプリートテキストボックスの処理。
'**テキストボックスダブルクリックの時、システムのダブルクリックイベントを実行しない。
'**（システムダブルクリック実行の時、テキストボックスの内容を選択で表示します。）
'*************************************************************************
Public Sub TxtDoubleClickMassage(Frm As Form)
Dim i As Integer
For i = 0 To 9 '
'区画番号
prevWndProc = GetWindowLong(Frm.txtKairo(i).hwnd, GWL_WNDPROC)
SetWindowLong Frm.txtKairo(i).hwnd, GWL_WNDPROC, AddressOf WndProc
'行 先 名 称1
prevWndProc = GetWindowLong(Frm.txtIkisaki1(i).hwnd, GWL_WNDPROC)
SetWindowLong Frm.txtIkisaki1(i).hwnd, GWL_WNDPROC, AddressOf WndProc
'行 先 名 称2
prevWndProc = GetWindowLong(Frm.txtIkisaki2(i).hwnd, GWL_WNDPROC)
SetWindowLong Frm.txtIkisaki2(i).hwnd, GWL_WNDPROC, AddressOf WndProc
Next
End Sub