Я столкнулся с ошибкой при обновлении кода VB6 до VB.NET. Ошибка возникает в AddressOf WindowProc
Выражение AddressOf нельзя преобразовать в Integer, поскольку Integer не является типом делегата
Моя декларация для SetWindowLong
:
Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA"(
ByVal hWnd As Integer,
ByVal nIndex As Integer,
ByVal dwNewLong As Integer) As Integer
переменные:
Dim GWL_WNDPROC As Short = -4
Dim hWnd As Integer
Код для WindowProc
:
Function WindowProc(ByVal hw As Integer, ByVal uMsg As Integer, ByVal wParam As Integer, ByVal lParam As Integer) As Integer
Dim x As Integer
Dim a As String
Dim wp As Short
Dim temp As Object
Dim ReadBuffer(1000) As Byte
'Debug.Print uMsg, wParam, lParam
Select Case uMsg
Case 1025
Debug.Print(VB6.TabLayout(uMsg, wParam, lParam))
Debug.Print(uMsg & " " & wParam & " " & lParam)
e_err = WSAGetAsyncError(lParam)
e_errstr = GetWSAErrorString(e_err)
If e_err <> 0 Then
Debug.Print("Error String returned -> " & e_err & " - " & e_errstr)
Debug.Print("Terminating....")
do_cancel = True
'Exit Function
End If
Select Case lParam
Case FD_READ 'lets check for data
x = recv(mysock, ReadBuffer(0), 1000, 0) 'try to get some
If x > 0 Then 'was there any?
'UPGRADE_ISSUE: Constant vbUnicode was not upgraded. Click for more: 'ms-help://MS.VSCC.v90/dv_commoner/local/redirect.htm?keyword="55B59875-9A95-4B71-9D6A-7C294BF7139D"'
'default
'a = StrConv(System.Text.UnicodeEncoding.Unicode.GetString(ReadBuffer), vbUnicode) 'yep, lets change it to stuff we can understand
a = System.Text.UnicodeEncoding.Unicode.GetString(ReadBuffer) 'yep, lets change it to stuff we can understand
Debug.Print(a)
rtncode = Val(Mid(a, 1, 3))
'Debug.Print "Analysing code " & rtncode & "..."
Select Case rtncode
Case 354, 250
Progress = Progress + 1
Debug.Print(">>Progress becomes " & Progress)
Case 220
Debug.Print("Recieved Greenlight")
Green_Light = True
Case 221
Progress = Progress + 1
Debug.Print(">>Progress becomes " & Progress)
Case 550, 551, 552, 553, 554, 451, 452, 500
Debug.Print("There was some error at the server side")
Debug.Print("error code is " & rtncode)
do_cancel = True
End Select
End If
Case FD_CONNECT 'did we connect?
mysock = wParam 'yep, we did! yayay
'Debug.Print WSAGetAsyncError(lParam) & "error code"
'Debug.Print mysock & " - Mysocket Value"
Case FD_CLOSE 'uh oh. they closed the connection
Call closesocket(wp) 'so we need to close
End Select
End Select
'let the msg get through to the form
WindowProc = CallWindowProc(lpPrevWndProc, hw, uMsg, wParam, lParam)
End Function
В чем причина ошибки, которую я получаю? Как решить проблему?
lpPrevWndProc
,hw
,uMsg
,wParam
иlParam
? - person Hand-E-Food   schedule 11.08.2011hw
,uMsg
,wParam
иlParam
являются параметрами функцииWindowProc
.lpPrevWndProc
предположительно находится там, где хранится возвращаемое значение изSetWindowLong
(но OP, конечно, не показал нам фактическую строку кода, содержащую ошибочную попытку использоватьSetWindowLong
для переопределения оконного процесса) - person Damien_The_Unbeliever   schedule 11.08.2011