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Attribute VB_Name = "X滚畔叼令喉"
'//***************************************************************************************
'// Copyrigth 2006.7.20 Hanhulsoft Make 瘤悼辨
'// 汽狼 加己吝俊 辆丰滚畔阑 阜绰 扁瓷阑 窍绰 葛碘涝聪促.
'//***************************************************************************************
Private Const SC_CLOSE As Long = &HF060&
Private Const MIIM_STATE As Long = &H1&
Private Const MIIM_ID As Long = &H2&
Private Const MFS_GRAYED As Long = &H3&
Private Const WM_NCACTIVATE As Long = &H86

Private Type MENUITEMINFO
    cbSize As Long
    fMask As Long
    fType As Long
    fState As Long
    wID As Long
    hSubMenu As Long
    hbmpChecked As Long
    hbmpUnchecked As Long
    dwItemData As Long
    dwTypeData As String
    cch As Long
End Type

Private Declare Function GetSystemMenu Lib "user32" ( _
    ByVal hWnd As Long, ByVal bRevert As Long) As Long

Private Declare Function GetMenuItemInfo Lib "user32" Alias _
    "GetMenuItemInfoA" (ByVal hMenu As Long, ByVal un As Long, _
    ByVal B As Boolean, lpMenuItemInfo As MENUITEMINFO) As Long

Private Declare Function SetMenuItemInfo Lib "user32" Alias _
    "SetMenuItemInfoA" (ByVal hMenu As Long, ByVal un As Long, _
    ByVal bool As Boolean, lpcMenuItemInfo As MENUITEMINFO) 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 IsWindow Lib "user32" _
    (ByVal hWnd As Long) As Long

Public Function EnableCloseButton(ByVal hWnd As Long, Enable As Boolean) As Integer
'//***************************************************************************************
'// Copyrigth 2006.7.20 Hanhulsoft Make 瘤悼辨
'// 汽狼 加己吝俊 辆丰滚畔阑 阜绰 扁瓷阑 窍绰 葛碘涝聪促.
'// 荤侩规过 : EnableCloseButton(汽疙.hwnd,True(False))
'//***************************************************************************************
    Const xSC_CLOSE As Long = -10
    EnableCloseButton = -1
    If IsWindow(hWnd) = 0 Then Exit Function
    
    Dim hMenu As Long
    hMenu = GetSystemMenu(hWnd, 0)
    
    Dim MII As MENUITEMINFO
    MII.cbSize = Len(MII)
    MII.dwTypeData = String(80, 0)
    MII.cch = Len(MII.dwTypeData)
    MII.fMask = MIIM_STATE
    
    If Enable Then
        MII.wID = xSC_CLOSE
    Else
        MII.wID = SC_CLOSE
    End If
    
    EnableCloseButton = -0
    If GetMenuItemInfo(hMenu, MII.wID, False, MII) = 0 Then Exit Function
    
    
    Dim lngMenuID As Long
    lngMenuID = MII.wID
    
    If Enable Then
        MII.wID = SC_CLOSE
    Else
        MII.wID = xSC_CLOSE
    End If
    
    MII.fMask = MIIM_ID
    EnableCloseButton = -2
    If SetMenuItemInfo(hMenu, lngMenuID, False, MII) = 0 Then Exit Function
    
    
    If Enable Then
        MII.fState = (MII.fState Or MFS_GRAYED)
        MII.fState = MII.fState - MFS_GRAYED
    Else
        MII.fState = (MII.fState Or MFS_GRAYED)
    End If
    
    MII.fMask = MIIM_STATE
    EnableCloseButton = -3
    If SetMenuItemInfo(hMenu, MII.wID, False, MII) = 0 Then Exit Function
    
    SendMessage hWnd, WM_NCACTIVATE, True, 0
    EnableCloseButton = 0
    
End Function