vb.net WPF webbrowser window.close 关闭后不触发 WindowClosing 事件 WNDPROC解决方式
#Region "WPF 当浏览器窗体关闭时触发 Quit事件 "
#If OnSourceInitialized Then
Protected Overrides Sub OnSourceInitialized(e As EventArgs) 'onload 等句柄创建后引用WSInitialized(Me, e)
WSInitialized(Me, e)
MyBase.OnSourceInitialized(e)
End Sub
#Else
Private Sub LyWebTabItem_Loaded(sender As Object, e As RoutedEventArgs) Handles Me.Loaded
WSInitialized(sender, e)
End Sub
#End If
Sub WSInitialized(sender As Object, e As EventArgs)
Dim hs As HwndSource = PresentationSource.FromVisual(Me) '=HwndSource.FromHwnd(new WindowInteropHelper(this).Handle);
hs.AddHook(New HwndSourceHook(AddressOf WndProc))
End Sub
''' <summary>
''' Overridden
''' </summary>
''' <param name="m">The <see cref="Message"/> send to this procedure</param>
<PermissionSet(SecurityAction.LinkDemand, Name:="FullTrust")> _
Protected Overloads Function WndProc(hwnd As IntPtr, msg As Int32, wParam As IntPtr, lParam As IntPtr, ByRef handled As Boolean) As IntPtr '(ByRef m As Forms.Message)
'Protected Overloads sub WndProc((ByRef m As Forms.Message)) 'winform方式
'If m.Msg = DirectCast(WindowsMessages.WM_PARENTNOTIFY, Integer) Then
If msg = DirectCast(WindowsMessages.WM_PARENTNOTIFY, Integer) Then
'int lp = m.LParam.ToInt32();
'Dim wp As Integer = m.WParam.ToInt32()
Dim wp As Integer = wParam.ToInt32()
Dim X As Integer = wp And &HFFFF
'int Y = (wp >> 16) & 0xFFFF;
If X = DirectCast(WindowsMessages.WM_DESTROY, Integer) Then
Me.OnQuit()
End If
End If
Return IntPtr.Zero
'MyBase.WndProc(m)
End Function
''' <summary>
''' A list of all the available window messages
''' </summary>
Enum WindowsMessages
WM_ACTIVATE = &H6
WM_ACTIVATEAPP = &H1C
WM_AFXFIRST = &H360
WM_AFXLAST = &H37F
WM_APP = &H8000
WM_ASKCBFORMATNAME = &H30C
WM_CANCELJOURNAL = &H4B
WM_CANCELMODE = &H1F
WM_CAPTURECHANGED = &H215
WM_CHANGECBCHAIN = &H30D
WM_CHAR = &H102
WM_CHARTOITEM = &H2F
WM_CHILDACTIVATE = &H22
WM_CLEAR = &H303
WM_CLOSE = &H10
WM_COMMAND = &H111
WM_COMPACTING = &H41
WM_COMPAREITEM = &H39
WM_CONTEXTMENU = &H7B
WM_COPY = &H301
WM_COPYDATA = &H4A
WM_CREATE = &H1
WM_CTLCOLORBTN = &H135
WM_CTLCOLORDLG = &H136
WM_CTLCOLOREDIT = &H133
WM_CTLCOLORLISTBOX = &H134
WM_CTLCOLORMSGBOX = &H132
WM_CTLCOLORSCROLLBAR = &H137
WM_CTLCOLORSTATIC = &H138
WM_CUT = &H300
WM_DEADCHAR = &H103
WM_DELETEITEM = &H2D
WM_DESTROY = &H2
WM_DESTROYCLIPBOARD = &H307
WM_DEVICECHANGE = &H219
WM_DEVMODECHANGE = &H1B
WM_DISPLAYCHANGE = &H7E
WM_DRAWCLIPBOARD = &H308
WM_DRAWITEM = &H2B
WM_DROPFILES = &H233
WM_ENABLE = &HA
WM_ENDSESSION = &H16
WM_ENTERIDLE = &H121
WM_ENTERMENULOOP = &H211
WM_ENTERSIZEMOVE = &H231
WM_ERASEBKGND = &H14
WM_EXITMENULOOP = &H212
WM_EXITSIZEMOVE = &H232
WM_FONTCHANGE = &H1D
WM_GETDLGCODE = &H87
WM_GETFONT = &H31
WM_GETHOTKEY = &H33
WM_GETICON = &H7F
WM_GETMINMAXINFO = &H24
WM_GETOBJECT = &H3D
WM_GETTEXT = &HD
WM_GETTEXTLENGTH = &HE
WM_HANDHELDFIRST = &H358
WM_HANDHELDLAST = &H35F
WM_HELP = &H53
WM_HOTKEY = &H312
WM_HSCROLL = &H114
WM_HSCROLLCLIPBOARD = &H30E
WM_ICONERASEBKGND = &H27
WM_IME_CHAR = &H286
WM_IME_COMPOSITION = &H10F
WM_IME_COMPOSITIONFULL = &H284
WM_IME_CONTROL = &H283
WM_IME_ENDCOMPOSITION = &H10E
WM_IME_KEYDOWN = &H290
WM_IME_KEYLAST = &H10F
WM_IME_KEYUP = &H291
WM_IME_NOTIFY = &H282
WM_IME_REQUEST = &H288
WM_IME_SELECT = &H285
WM_IME_SETCONTEXT = &H281
WM_IME_STARTCOMPOSITION = &H10D
WM_INITDIALOG = &H110
WM_INITMENU = &H116
WM_INITMENUPOPUP = &H117
WM_INPUTLANGCHANGE = &H51
WM_INPUTLANGCHANGEREQUEST = &H50
WM_KEYDOWN = &H100
WM_KEYFIRST = &H100
WM_KEYLAST = &H108
WM_KEYUP = &H101
WM_KILLFOCUS = &H8
WM_LBUTTONDBLCLK = &H203
WM_LBUTTONDOWN = &H201
WM_LBUTTONUP = &H202
WM_MBUTTONDBLCLK = &H209
WM_MBUTTONDOWN = &H207
WM_MBUTTONUP = &H208
WM_MDIACTIVATE = &H222
WM_MDICASCADE = &H227
WM_MDICREATE = &H220
WM_MDIDESTROY = &H221
WM_MDIGETACTIVE = &H229
WM_MDIICONARRANGE = &H228
WM_MDIMAXIMIZE = &H225
WM_MDINEXT = &H224
WM_MDIREFRESHMENU = &H234
WM_MDIRESTORE = &H223
WM_MDISETMENU = &H230
WM_MDITILE = &H226
WM_MEASUREITEM = &H2C
WM_MENUCHAR = &H120
WM_MENUCOMMAND = &H126
WM_MENUDRAG = &H123
WM_MENUGETOBJECT = &H124
WM_MENURBUTTONUP = &H122
WM_MENUSELECT = &H11F
WM_MOUSEACTIVATE = &H21
WM_MOUSEFIRST = &H200
WM_MOUSEHOVER = &H2A1
WM_MOUSELAST = &H20A
WM_MOUSELEAVE = &H2A3
WM_MOUSEMOVE = &H200
WM_MOUSEWHEEL = &H20A
WM_MOVE = &H3
WM_MOVING = &H216
WM_NCACTIVATE = &H86
WM_NCCALCSIZE = &H83
WM_NCCREATE = &H81
WM_NCDESTROY = &H82
WM_NCHITTEST = &H84
WM_NCLBUTTONDBLCLK = &HA3
WM_NCLBUTTONDOWN = &HA1
WM_NCLBUTTONUP = &HA2
WM_NCMBUTTONDBLCLK = &HA9
WM_NCMBUTTONDOWN = &HA7
WM_NCMBUTTONUP = &HA8
WM_NCMOUSEHOVER = &H2A0
WM_NCMOUSELEAVE = &H2A2
WM_NCMOUSEMOVE = &HA0
WM_NCPAINT = &H85
WM_NCRBUTTONDBLCLK = &HA6
WM_NCRBUTTONDOWN = &HA4
WM_NCRBUTTONUP = &HA5
WM_NEXTDLGCTL = &H28
WM_NEXTMENU = &H213
WM_NOTIFY = &H4E
WM_NOTIFYFORMAT = &H55
WM_NULL = &H0
WM_PAINT = &HF
WM_PAINTCLIPBOARD = &H309
WM_PAINTICON = &H26
WM_PALETTECHANGED = &H311
WM_PALETTEISCHANGING = &H310
WM_PARENTNOTIFY = &H210
WM_PASTE = &H302
WM_PENWINFIRST = &H380
WM_PENWINLAST = &H38F
WM_POWER = &H48
WM_PRINT = &H317
WM_PRINTCLIENT = &H318
WM_QUERYDRAGICON = &H37
WM_QUERYENDSESSION = &H11
WM_QUERYNEWPALETTE = &H30F
WM_QUERYOPEN = &H13
WM_QUEUESYNC = &H23
WM_QUIT = &H12
WM_RBUTTONDBLCLK = &H206
WM_RBUTTONDOWN = &H204
WM_RBUTTONUP = &H205
WM_RENDERALLFORMATS = &H306
WM_RENDERFORMAT = &H305
WM_SETCURSOR = &H20
WM_SETFOCUS = &H7
WM_SETFONT = &H30
WM_SETHOTKEY = &H32
WM_SETICON = &H80
WM_SETREDRAW = &HB
WM_SETTEXT = &HC
WM_SETTINGCHANGE = &H1A
WM_SHOWWINDOW = &H18
WM_SIZE = &H5
WM_SIZECLIPBOARD = &H30B
WM_SIZING = &H214
WM_SPOOLERSTATUS = &H2A
WM_STYLECHANGED = &H7D
WM_STYLECHANGING = &H7C
WM_SYNCPAINT = &H88
WM_SYSCHAR = &H106
WM_SYSCOLORCHANGE = &H15
WM_SYSCOMMAND = &H112
WM_SYSDEADCHAR = &H107
WM_SYSKEYDOWN = &H104
WM_SYSKEYUP = &H105
WM_TCARD = &H52
WM_TIMECHANGE = &H1E
WM_TIMER = &H113
WM_UNDO = &H304
WM_UNINITMENUPOPUP = &H125
WM_USER = &H400
WM_USERCHANGED = &H54
WM_VKEYTOITEM = &H2E
WM_VSCROLL = &H115
WM_VSCROLLCLIPBOARD = &H30A
WM_WINDOWPOSCHANGED = &H47
WM_WINDOWPOSCHANGING = &H46
WM_WININICHANGE = &H1A
End Enum
''' <summary>
''' Raises the <see cref="Quit"/> event
''' </summary>
Protected Sub OnQuit()
#If OnSourceInitialized Then
CommandBinding_Close_Executed(Me, Nothing)
#Else
MenuCloseTab_Click(Me, Nothing)
#End If
RaiseEvent Quit(Me, EventArgs.Empty)
End Sub
''' <summary>
''' Raised when the browser application quits
''' </summary>
''' <remarks>
''' Do not confuse this with DWebBrowserEvents2.Quit... That's something else.
''' </remarks>
Public Event Quit As EventHandler
#End Region
原内容是C#代码WINFORM 搜索下就有，暂略
vb.net WPF webbrowser window.close 关闭后不触发 WindowClosing 事件 WNDPROC解决方式