这个属性在运行时也是可以改变的! Option Explicit '-------------------------------- ' This code will set "ShowInTaskBar" property ' of a VB Form at runtime. I haven't been able ' to change this property without unloading the ' form. This code could be useful when used in ' conjunction with a user-chosen preference. ' (Maybe you can think of a good use for it.) ' Comments, improvements? Please forward to: ' Joe LeVasseur '----------------------------------------------- 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 Const GWL_EXSTYLE = (-&H14) Private Const WS_EX_TOOLWINDOW = &H80 '---------------------------- Private Sub Form_Initialize() Call SetStyle End Sub Private Sub SetStyle() Dim lWindowStyle&, lRetVal& Debug.Print Second(Now) ' 50/50 chance If (Second(Now) Mod 2) Then lWindowStyle = GetWindowLong(hwnd, GWL_EXSTYLE) lWindowStyle = lWindowStyle And WS_EX_TOOLWINDOW lRetVal = SetWindowLong(hwnd, GWL_EXSTYLE, lWindowStyle) End If End Sub
To : wybpipipipi(pipi) 什么地方不明白? 只要把上面的代码Copy到一个新建工程中,运行一下就知道了!
这个属性在运行时也是可以改变的!
Option Explicit
'-------------------------------- ' This code will set "ShowInTaskBar" property
' of a VB Form at runtime. I haven't been able
' to change this property without unloading the
' form. This code could be useful when used in
' conjunction with a user-chosen preference.
' (Maybe you can think of a good use for it.)
' Comments, improvements? Please forward to:
' Joe LeVasseur
'-----------------------------------------------
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 Const GWL_EXSTYLE = (-&H14)
Private Const WS_EX_TOOLWINDOW = &H80 '----------------------------
Private Sub Form_Initialize()
Call SetStyle
End Sub
Private Sub SetStyle()
Dim lWindowStyle&, lRetVal&
Debug.Print Second(Now)
' 50/50 chance
If (Second(Now) Mod 2) Then
lWindowStyle = GetWindowLong(hwnd, GWL_EXSTYLE)
lWindowStyle = lWindowStyle And WS_EX_TOOLWINDOW
lRetVal = SetWindowLong(hwnd, GWL_EXSTYLE, lWindowStyle)
End If
End Sub