这段代码怎么用PB实现?
Private Declare Function GetSystemMenu Lib "user32" (ByVal hwnd As Long, ByVal bRevert As Long) As Long
Private Declare Function DeleteMenu Lib "user32" (ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long) As Long
Private Declare Function GetActiveWindow Lib "user32.dll" () As Long
Const MF_STRING = &H0&
Const MF_BYCOMMAND = &H0&
Const SC_CLOSE = &HF060
Const SC_MAXIMIZE = &HF030&
Const SC_MINIMIZE = &HF020&
Const SC_SIZE = &HF000&
Const SC_MOVE = &HF010&
Sub User_Limit()
Dim hMenu As Long
Dim whwnd As Long
Dim wwhwnd As Long
whwnd = GetActiveWindow()
hMenu = GetSystemMenu(whwnd, 0)
Call DeleteMenu(hMenu, SC_CLOSE, MF_BYCOMMAND)
Call DeleteMenu(hMenu, SC_MAXIMIZE, MF_BYCOMMAND)
Call DeleteMenu(hMenu, SC_MINIMIZE, MF_BYCOMMAND)
Call DeleteMenu(hMenu, SC_SIZE, MF_BYCOMMAND)
Call DeleteMenu(hMenu, SC_MOVE, MF_BYCOMMAND)
End Sub
这是VB中的一段代码,我想在PB实现同样的功能,请帮忙