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Planet Source Code Jumbo …e CD Visual Basic 1 to 7
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Advanced_S1855972212005.psc
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Subclass
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Dll
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cSubclass.cls
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2005-02-18
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98 lines
VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
Persistable = 0 'NotPersistable
DataBindingBehavior = 0 'vbNone
DataSourceBehavior = 0 'vbNone
MTSTransactionMode = 0 'NotAnMTSObject
END
Attribute VB_Name = "cSubclass"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = True
Option Explicit
'==================================================================================================
'cSubclass.cls 7/5/04
'
' PURPOSE:
' Represents a subclass on a single hWnd for a single client object, allowing the dll
' client to specify which messages are to be received.
'
' MODULES CALLED FROM THIS MODULE:
' mSubclass.bas
'
'==================================================================================================
'1. Friendly Interface - Used internally to initialize the modular variables.
'2. Message Interface - Methods which manage the messages called back by this subclass.
'3. CallOldWndProc Interface - Calls the original WndProc at any old time you please.
Private miPtr As Long 'Stores a pointer to the iSubclass object to be called back for messages
Private mhWnd As Long 'stores the mhWnd subclassed by this object
'<Private Interface>
'</Private Interface>
'<Friendly Interface>
Friend Sub fInit( _
ByVal iPtr As Long, _
ByVal ihWnd As Long)
mhWnd = ihWnd
miPtr = iPtr
End Sub
'</Friendly Interface>
'<Public Interface>
'<Message Interface>
Public Function AddMsg( _
ByVal iMsg As eMsg, _
ByVal iWhen As eMsgWhen) _
As Boolean
AddMsg = mSubclass.MsgHubObject(mhWnd).AddMsg(iMsg, iWhen, miPtr)
End Function
Public Function DelMsg( _
ByVal iMsg As eMsg, _
ByVal iWhen As eMsgWhen) _
As Boolean
DelMsg = mSubclass.MsgHubObject(mhWnd).DelMsg(iMsg, iWhen, miPtr)
End Function
Public Function MsgExists( _
ByVal iMsg As eMsg, _
ByVal iWhen As eMsgWhen) _
As Boolean
MsgExists = mSubclass.MsgHubObject(mhWnd).MsgExists(iMsg, iWhen, miPtr)
End Function
Public Function MsgCount( _
ByVal iWhen As eMsgWhen) _
As Long
MsgCount = mSubclass.MsgHubObject(mhWnd).MsgCount(miPtr, iWhen)
End Function
Public Function GetMessages( _
ByRef iArray() As Long, _
ByVal iWhen As eMsgWhen) _
As Long
GetMessages = mSubclass.MsgHubObject(mhWnd).GetMessages(miPtr, iWhen, iArray)
End Function
'</Message Interface>
'<CallOldWndProc Interface>
Public Function CallOldWndProc( _
ByVal iMsg As eMsg, _
ByVal wParam As Long, _
ByVal lParam As Long) _
As Long
CallOldWndProc = mSubclass.MsgHubObject(mhWnd).CallOldWndProc(iMsg, wParam, lParam)
End Function
'</CallOldWndProc Interface>
Public Property Get hWnd() As Long
hWnd = mhWnd
End Property
'</Public Interface>