vb.net窗体去掉关闭 vb关闭程序窗体的代码
VB.NET是如何关闭窗体
VB.NET关闭当前窗体me.close()
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其它窗体用:窗体名.close(),例如:form2.close()
VB2008 如何取消窗体的关闭按钮
设置ControlBox为False是可以的,不过全部按钮都会消失(包括最小化,最大化)
用API可以单独把关闭按钮干掉……
'VB.NET Code
Public Class Form1
Private Declare Function GetSystemMenu Lib "User32 " (ByVal hwnd As Integer, ByVal bRevert As Long) As Integer
Private Declare Function RemoveMenu Lib "User32 " (ByVal hMenu As Integer, ByVal nPosition As Integer, ByVal wFlags As Integer) As Integer
Private Declare Function DrawMenuBar Lib "User32 " (ByVal hwnd As Integer) As Integer
Private Declare Function GetMenuItemCount Lib "User32 " (ByVal hMenu As Integer) As Integer
Private Const MF_BYPOSITION = H400
Private Const MF_DISABLED = H2
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim hMenu As Integer, nCount As Integer
hMenu = GetSystemMenu(Me.Handle.ToInt32, 0)
nCount = GetMenuItemCount(hMenu)
'Debug.Print(nCount)
Call RemoveMenu(hMenu, nCount - 1, MF_DISABLED Or MF_BYPOSITION)
DrawMenuBar(Me.Handle.ToInt32)
End Sub
End Class
'VB6 code =============================================================
Private Declare Function GetSystemMenu Lib "User32 " (ByVal hwnd As Long, ByVal bRevert As Long) As Integer
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 Declare Function GetMenuItemCount Lib "User32 " (ByVal hMenu As Long) As Long
Private Const MF_BYPOSITION = H400
Private Const MF_DISABLED = H2
Private Sub Form1_Load()
Dim hMenu As Long, nCount As Long
hMenu = GetSystemMenu(Me.hWnd, 0)
nCount = GetMenuItemCount(hMenu)
'Debug.Print nCount
Call RemoveMenu(hMenu, nCount - 1, MF_DISABLED Or MF_BYPOSITION)
DrawMenuBar Me.hWnd
End Sub
vb.net中窗体中的缩小,放大,关闭可以去掉吗?
可以,属性controlBox 为false可以去掉三个按钮,另外还有maximize,minimize 可以分别控制最大化和最小化按钮的显示。
vb.net如何打开一个新窗体后关闭上一个窗体
1、如果上一个窗体是程序的主窗体(默认是程序的第一个窗体),
则不能关闭这个窗体,只能隐藏(Me.Hide())这个窗体,否则整
个程序就被关掉了。
2、如果上一个窗体不是程序的主窗体,可以用Me.Close()
关闭。
VB.NET 窗体关闭问题 用的是vs2013
首先这个应该放在 FormClosing 事件中。
其次,因为你 Else 之后没有忽略窗体关闭的请求。
应该再加一句 e.Cancel = True,表示告诉系统,我取消关闭窗体这个操作了。
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