?? apieventmsg.cls
字號(hào):
VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
END
Attribute VB_Name = "ApiEVENTMSG"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = True
Attribute VB_Ext_KEY = "SavedWithClassBuilder" ,"Yes"
Attribute VB_Ext_KEY = "Top_Level" ,"Yes"
Option Explicit
' ##MODULE_DESCRIPTION This class provides the properties for events used in the _
recording and playback of journals by the WH_JOURNALRECORD and WH_JOURNALPLAYBACK records.
Private Type EVENTMSG
Message As Long
paramL As Long
paramH As Long
time As Long
hwnd As Long
End Type
Public Message As Long
Public paramL As Long
Public paramH As Long
Public time As Long
Public hwnd As Long
Public CreatedOK As Boolean
'\\ Private memory handling functions
Private Declare Sub CopyMemoryEventMsg Lib "kernel32" Alias "RtlMoveMemory" (Destination As EVENTMSG, ByVal Source As Long, ByVal Length As Long)
Private Declare Function IsBadReadPtrEventMsg Lib "kernel32" Alias "IsBadReadPtr" (ByVal lp As Long, ByVal ucb As Long) As Long
Private Declare Function IsBadWritePtrEventMsg Lib "kernel32" Alias "IsBadWritePtr" (ByVal lp As Long, ByVal ucb As Long) As Long
'\\ --[CreateFromPointer]---------------------------------------------
'\\ Fills this EventMsg object from the location poiunted to by
'\\ lpEventMsg
'\\ VB.NET Porting note: This function should be replaced with an override
'\\ of the New() for correctness
'\\ ----------------------------------------------------------------------------------------
'\\ (c) 2001 - Merrion Computing. All rights to use, reproduce or publish this code reserved
'\\ Please check http://www.merrioncomputing.com for updates.
'\\ ----------------------------------------------------------------------------------------
Friend Function CreateFromPointer(lpEventMsg As Long) As Boolean
Dim ftThis As EVENTMSG
CreatedOK = False
If Not IsBadReadPtrEventMsg(lpEventMsg, Len(ftThis)) Then
Call CopyMemoryEventMsg(ftThis, lpEventMsg, Len(ftThis))
If Err.LastDllError = 0 Then
With ftThis
hwnd = .hwnd
Message = .Message
paramH = .paramH
paramL = .paramL
time = .time
If Err.LastDllError = 0 Then
CreatedOK = True
End If
End With
End If
End If
CreateFromPointer = CreatedOK
End Function
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