windowbt.bas

简单时间程序,可以定时执行任务,显示当前时间到前台窗口

Attribute VB_Name = "WindowBT"
Public Declare Function GetWindowText Lib "user32" Alias "GetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String, ByVal cch As Long) As Long
Public Declare Function GetForegroundWindow Lib "user32" () As Long
Public Declare Function SetWindowText Lib "user32" Alias "SetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String) As Long
Public Declare Function GetWindowTextLength Lib "user32" Alias "GetWindowTextLengthA" (ByVal hwnd As Long) As Long
Public JubingM, JubingQ As Long
Public BiaotiIn, BiaotiOut, BTemp As String
Public BTCD As Long
Public X, ZC As Integer

Public Sub CapJB() '取句柄
JubingQ = GetForegroundWindow()
End Sub

Public Sub CapBTCD() '取标题长度
BTCD = GetWindowTextLength(JubingQ)
End Sub

'????值得研究的回调函数
Function CapBT(ByVal hwnd As Long, ByVal parma As Long) As Long '取标题
    Dim astr As String * 256
    GetWindowText hwnd, astr, Len(astr)
    X = InStr(astr, Chr(0))
    BTemp = Left$(astr, X - 1)
    CapBT = True
 End Function
'改写标题
Public Sub rewriteBT()
BiaotiOut = BiaotiIn + " " + CStr(Now)
SetWindowText JubingQ, BiaotiOut
End Sub
'还原标题
Public Sub Huanyuan()
cd = GetWindowTextLength(JubingM)
If cd <> 0 Then
SetWindowText JubingM, BiaotiIn
End If
End Sub
Public Sub gengxin()
       CapBTCD
   If BTCD > 0 Then
   CapBT JubingQ, 0
      sss = Left(BTemp, ZC - 1)
      cdcd = Len(CStr(Now))
    If StrComp(sss, BiaotiIn) = 0 And ZC = X - 1 - cdcd Then
      rewriteBT
      Else
      BiaotiIn = BTemp
      rewriteBT
      ZC = X
    End If
   End If
End Sub
Public Sub gaixie()
    Huanyuan
    CapBTCD
If BTCD > 0 Then
    CapBT JubingQ, 0
   If BTemp = "10Moons TV Baby Capture" Or BTemp = "Program Manager" Or BTemp = "「开始」菜单" Then
    Else
    BiaotiIn = BTemp
    rewriteBT
    ZC = X
    JubingM = JubingQ
   End If
End If
End Sub