visual.bas

一个VB编写的校园即时广播系统,具有简单的定时广播性能

Attribute VB_Name = "Module1"
Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Long, ByVal nIndex As Long) As Long
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 preWinProc As Long
Public Modifiers As Long, uVirtKey As Long, idHotKey As Long
Private Type taLong
   ll As Long
End Type
Private Type t2Int
   lWord As Integer
   hword As Integer
End Type
 Public Function wndproc(ByVal hwnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
 If Msg = WM_HOTKEY Then
    If wParam = idHotKey Then
       Dim lp As taLong, I2 As t2Int
       lp.ll = lParam
       LSet I2 = lp
       If (I2.lWord = Modifiers) And I2.hword = uVirtKey Then
                Call Server.ProMag
       End If
   End If
 End If
 '将之送往原来的Window Procedure
 wndproc = CallWindowProc(preWinProc, hwnd, Msg, wParam, lParam)
 End Function