Question

VB中怎样使窗口右上角的关闭按钮失效?ALT+F4也失效!

并且在点击关闭按钮或按ALT+F4时弹出MSGBOX~
需要加入什么语句?能粘贴的最好~

Answer 1

我晕,看以下代码,绝对没问题!
Option Explicit

Private Declare Function DeleteMenu Lib "user32" (ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long) As Long
Private Declare Function GetSystemMenu Lib "user32" (ByVal hwnd As Long, ByVal bRevert As Long) As Long

Private Const MF_BYPOSITION = &H400&

Private ReadyToClose As Boolean
Private Sub RemoveMenus(frm As Form, _
remove_restore As Boolean, _
remove_move As Boolean, _
remove_size As Boolean, _
remove_minimize As Boolean, _
remove_maximize As Boolean, _
remove_seperator As Boolean, _
remove_close As Boolean)
Dim hMenu As Long
hMenu = GetSystemMenu(hwnd, False)
If remove_close Then DeleteMenu hMenu, 6, MF_BYPOSITION
If remove_seperator Then DeleteMenu hMenu, 5, MF_BYPOSITION
If remove_maximize Then DeleteMenu hMenu, 4, MF_BYPOSITION
If remove_minimize Then DeleteMenu hMenu, 3, MF_BYPOSITION
If remove_size Then DeleteMenu hMenu, 2, MF_BYPOSITION
If remove_move Then DeleteMenu hMenu, 1, MF_BYPOSITION
If remove_restore Then DeleteMenu hMenu, 0, MF_BYPOSITION
End Sub

Private Sub cmdClose_Click()
ReadyToClose = True
Unload Me
End Sub

Private Sub Form_Load()
RemoveMenus Me, False, False, False, False, False, True, True
End Sub

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
Cancel = Not ReadyToClose
End Sub

Answer 2

把Form的属性中BorderStyle改为0-None
不用语句也可以。在属性面板中选择就可以了