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vba - Excel 使用表格 : How to hide application but have icon in the taskbar

转载 作者:行者123 更新时间:2023-12-02 10:27:48 25 4
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我想要的是 Application.Visible = False,这样我的用户就看不到 Excel/工作表,只能看到用户表单。

我已经通过使用以下代码实现了此功能:

Private Sub Workbook_Open()
Application.Visible = False
UserForm2.Show
End Sub

但是,这只有用户窗体在后台 float 。我的用户将打开其他应用程序,我希望他们通过在任务栏上显示一个可见的图标来轻松更改为用户窗体。

我在网上找到了以下示例,但我似乎找不到放置此代码的位置。对此仍然很陌生,所以希望我有适合这项工作的正确代码。如果我这样做,有人可以告诉我将其放置在哪里,因为当我将其粘贴到我的代码中时它不起作用?

(即它应该位于“用户表单”或“此工作簿:声明”等下)

谢谢,

Option Explicit
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long
Private Declare Function ShowWindow Lib "user32" (ByVal hWnd As Long, ByVal nCmdShow As Long) As Long
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function SetFocus Lib "user32" (ByVal hWnd As Long) As Long
Private Const GWL_STYLE As Long = -16
Private Const GWL_EXSTYLE As Long = -20
Private Const WS_CAPTION As Long = &HC00000
Private Const WS_MINIMIZEBOX As Long = &H20000
Private Const WS_MAXIMIZEBOX As Long = &H10000
Private Const WS_POPUP As Long = &H80000000
Private Const WS_VISIBLE As Long = &H10000000
Private Const WS_EX_DLGMODALFRAME As Long = &H1
Private Const WS_EX_APPWINDOW As Long = &H40000
Private Const SW_SHOW As Long = 5

Private Sub UserForm_Activate()
Application.Visible = False
Application.VBE.MainWindow.Visible = False
Dim lngHwnd As Long
Dim lngCurrentStyle As Long, lngNewStyle As Long
If Val(Application.Version) < 9 Then
lngHwnd = FindWindow("ThunderXFrame", Me.Caption) 'XL97
Else
lngHwnd = FindWindow("ThunderDFrame", Me.Caption) 'XL2000, XP, 2003?
End If
'Set the Windows style so that the userform has a minimise and maximise button
lngCurrentStyle = GetWindowLong(lngHwnd, GWL_STYLE)
lngNewStyle = lngCurrentStyle Or WS_MINIMIZEBOX Or WS_MAXIMIZEBOX
lngNewStyle = lngNewStyle And Not WS_VISIBLE And Not WS_POPUP
SetWindowLong lngHwnd, GWL_STYLE, lngNewStyle

'Set the extended style to provide a taskbar icon
lngCurrentStyle = GetWindowLong(lngHwnd, GWL_EXSTYLE)
lngNewStyle = lngCurrentStyle Or WS_EX_APPWINDOW
SetWindowLong lngHwnd, GWL_EXSTYLE, lngNewStyle
ShowWindow lngHwnd, SW_SHOW
End Sub
Private Sub UserForm_Terminate()
Application.Visible = True
End Sub

最佳答案

尝试将此代码放入用户表单代码模块中:

Option Explicit

'API functions
Private Declare Function GetWindowLong Lib "user32" _
Alias "GetWindowLongA" _
(ByVal hwnd As Long, _
ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" _
Alias "SetWindowLongA" _
(ByVal hwnd As Long, _
ByVal nIndex As Long, _
ByVal dwNewLong As Long) As Long
Private Declare Function SetWindowPos Lib "user32" _
(ByVal hwnd As Long, _
ByVal hWndInsertAfter As Long, _
ByVal X As Long, _
ByVal Y As Long, _
ByVal cx As Long, _
ByVal cy As Long, _
ByVal wFlags As Long) As Long
Private Declare Function FindWindow Lib "user32" _
Alias "FindWindowA" _
(ByVal lpClassName As String, _
ByVal lpWindowName As String) As Long
Private Declare Function GetActiveWindow Lib "user32.dll" _
() As Long
Private Declare Function SendMessage Lib "user32" _
Alias "SendMessageA" _
(ByVal hwnd As Long, _
ByVal wMsg As Long, _
ByVal wParam As Long, _
lParam As Any) As Long
Private Declare Function DrawMenuBar Lib "user32" _
(ByVal hwnd As Long) As Long



'Constants
Private Const SWP_NOMOVE = &H2
Private Const SWP_NOSIZE = &H1
Private Const GWL_EXSTYLE = (-20)
Private Const HWND_TOP = 0
Private Const SWP_NOACTIVATE = &H10
Private Const SWP_HIDEWINDOW = &H80
Private Const SWP_SHOWWINDOW = &H40
Private Const WS_EX_APPWINDOW = &H40000
Private Const GWL_STYLE = (-16)
Private Const WS_MINIMIZEBOX = &H20000
Private Const SWP_FRAMECHANGED = &H20
Private Const WM_SETICON = &H80
Private Const ICON_SMALL = 0&
Private Const ICON_BIG = 1&

Private Sub AppTasklist(myForm)

'Add this userform into the Task bar
Dim WStyle As Long
Dim Result As Long
Dim hwnd As Long
hwnd = FindWindow(vbNullString, myForm.Caption)
WStyle = GetWindowLong(hwnd, GWL_EXSTYLE)
WStyle = WStyle Or WS_EX_APPWINDOW
Result = SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, _
SWP_NOMOVE Or _
SWP_NOSIZE Or _
SWP_NOACTIVATE Or _
SWP_HIDEWINDOW)
Result = SetWindowLong(hwnd, GWL_EXSTYLE, WStyle)
Result = SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, _
SWP_NOMOVE Or _
SWP_NOSIZE Or _
SWP_NOACTIVATE Or _
SWP_SHOWWINDOW)

End Sub

Private Sub UserForm_Activate()

Application.Visible = False
Application.VBE.MainWindow.Visible = False
AppTaskList Me

End Sub

Private Sub UserForm_Terminate()

Application.Visible = True

End Sub

免责声明:这不是我的代码,是在论坛上找到的,我已经没有链接了。

关于vba - Excel 使用表格 : How to hide application but have icon in the taskbar,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/24733377/

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