vb.net禁用关闭按钮 vb退出按钮的代码

在vb里，如何将窗口右上方的“关闭”按钮设为禁用？？

复制以下代码就可以实现将窗口右上方的“关闭”按钮设为禁用

Option Explicit

Private Declare Function GetSystemMenu Lib "user32"_

(ByVal hwnd As Long, ByVal bRevert As Long) As Long

Private Declare Function GetMenuItemCount Lib "user32"_

(ByVal hMenu As Long) As Long

Private Declare Function RemoveMenu Lib "user32"_

(ByVal hMenu As Long, ByVal nPosition As Long, ByVal wFlags As Long) As Long

Private Declare Function DrawMenuBar Lib "user32"_

(ByVal hwnd As Long) As Long

Private Const MF_BYPOSITION = H400

Private Const MF_REMOVE = H1000

Private Sub DisableX()

Dim hMenu As Long

Dim nCount As Long

hMenu = GetSystemMenu(Me.hWnd, 0)

nCount = GetMenuItemCount(hMenu)

'Get rid of the Close menu and its separator

Call RemoveMenu(hMenu, nCount - 1, MF_REMOVE Or MF_BYPOSITION)

Call RemoveMenu(hMenu, nCount - 2, MF_REMOVE Or MF_BYPOSITION)

'Make sure the screen updates

'our change DrawMenuBar Me.hWnd

End Sub

Private Sub Form_Load()

DisableX

End Sub

Private Sub Form_Click()

'We need a way out, since the X button'doesn't work :-)

Unload Me

End Sub

vb.net中 如何将窗体上的关闭按钮禁用 也就是变灰啊？

FormBorderStyle选为None，没有标题栏

form 的 controlbox 属性为false

vb 如何禁止关掉窗口

第一种办法：切断所有可能关闭程序的途径，

例如：禁用任务管理器，在任务管理器中隐藏进程，隐藏窗口的标题栏（就是隐藏关闭按钮）。当然360这种伟大的让人无可奈何的软件可能就隐藏不了了。

第二种办法：在关闭的同时再打开这个程序。

Shell

App.Path

"\程序名.exe"

不会的话你再问吧

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