module1.bas

WinCC 污水处理系统源程序.里面包含了许多VB6制作的功能组件.很有参考意义.

Attribute VB_Name = "Module1"
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Dim winHWND As Long
Dim retVal As Long

Sub main()
'关闭PLC4通信的程序
winHWND = FindWindow(vbNullString, "PLC4")
retVal = PostMessage(winHWND, &H10, 0&, 0&)
'关闭模拟屏通信的程序
winHWND = FindWindow(vbNullString, "DataToScreen")
retVal = PostMessage(winHWND, &H10, 0&, 0&)

End Sub