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VERSION 5.00
Begin VB.Form Form1
Caption = "Form1"
ClientHeight = 3195
ClientLeft = 60
ClientTop = 345
ClientWidth = 4680
LinkTopic = "Form1"
ScaleHeight = 3195
ScaleWidth = 4680
StartUpPosition = 3 'Windows Default
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
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 GetWindowLong Lib "user32" _
Alias "GetWindowLongA" _
(ByVal hwnd As Long, _
ByVal nIndex As Long) _
As Long
Private Const GWL_EXSTYLE = (-20)
Private Const LWA_ALPHA As Long = &H2
Private Const WS_EX_LAYERED As Long = &H80000
Private Declare Function SetLayeredWindowAttributes Lib "user32" _
(ByVal hwnd As Long, _
ByVal crKey As Long, _
ByVal bAlpha As Long, _
ByVal dwFlags As Long) _
As Long
Private Sub Form_Load()
Dim p As Long
p = GetWindowLong(Me.hwnd, GWL_EXSTYLE) '取得当前窗口属性
Call SetWindowLong(Me.hwnd, GWL_EXSTYLE, p Or WS_EX_LAYERED)
'加上一个透明属性
'Call SetLayeredWindowAttributes(Me.hwnd, 0, 0, LWA_ALPHA)
End Sub
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