Ms access Form_Open VBA代码不工作
我有一个access数据库,其中包含一些表单和表单后面的vba代码 在Ms access Form_Open VBA代码不工作,ms-access,vba,Ms Access,Vba,我有一个access数据库,其中包含一些表单和表单后面的vba代码 在表单_Open(在每个表单上)我都有这段代码 Dim hWindow As Long Dim nResult As Long Dim nCmdShow As Long hWindow = Application.hWndAccessApp nCmdShow = SW_HIDE nResult = ShowWindow(ByVal hWindow, ByVal nCmdShow) Call Sh
表单_Open
(在每个表单上)我都有这段代码
Dim hWindow As Long
Dim nResult As Long
Dim nCmdShow As Long
hWindow = Application.hWndAccessApp
nCmdShow = SW_HIDE
nResult = ShowWindow(ByVal hWindow, ByVal nCmdShow)
Call ShowWindow(Me.hWnd, SW_NORMAL)
这将隐藏访问权限并仅显示打开的窗体
我的问题是访问正在启动,但表单不会打开
我必须在任务管理器中终止访问任务
有什么办法解决这个问题吗
编辑:每个表单都是一个弹出窗口据我所知,您需要隐藏主表单并保持弹出窗口表单打开。我通常使用窗口不透明度设置,而不是隐藏:
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 SetLayeredWindowAttributes Lib "user32" (ByVal hwnd As Long, ByVal crKey As Long, ByVal bAlpha As Byte, ByVal dwFlags As Long) As Long
Private Const LWA_ALPHA As Long = &H2&
Private Const LWA_COLORKEY As Long = &H1&
Private Const GWL_EXSTYLE As Long = -20
Private Const WS_EX_LAYERED As Long = &H80000
Public Function SetWndOpacity(hwnd As Long, opacity As Byte, clr As Long)
DoCmd.Maximize
SetWindowLong hwnd, GWL_EXSTYLE, GetWindowLong(hwnd, GWL_EXSTYLE) Or WS_EX_LAYERED
SetLayeredWindowAttributes hwnd, 0&, opacity, LWA_ALPHA
End Function
然后打电话:
SetWndOpacity Access.hWndAccessApp(), 0, 0
据我所知,您需要隐藏主窗体并保持弹出窗体打开。我通常使用窗口不透明度设置,而不是隐藏:
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 SetLayeredWindowAttributes Lib "user32" (ByVal hwnd As Long, ByVal crKey As Long, ByVal bAlpha As Byte, ByVal dwFlags As Long) As Long
Private Const LWA_ALPHA As Long = &H2&
Private Const LWA_COLORKEY As Long = &H1&
Private Const GWL_EXSTYLE As Long = -20
Private Const WS_EX_LAYERED As Long = &H80000
Public Function SetWndOpacity(hwnd As Long, opacity As Byte, clr As Long)
DoCmd.Maximize
SetWindowLong hwnd, GWL_EXSTYLE, GetWindowLong(hwnd, GWL_EXSTYLE) Or WS_EX_LAYERED
SetLayeredWindowAttributes hwnd, 0&, opacity, LWA_ALPHA
End Function
然后打电话:
SetWndOpacity Access.hWndAccessApp(), 0, 0