全局代码Public Sub btnCancel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
MessageBox.Show("这是自定义事件!")
Dim btnCancl As Windows.Forms.Button = sender
removehandler btnCancl.Click, addressOf btnCancel_Click
End Sub
计划代码,计时器间隔500
Dim frm = Windows.Forms.Form.ActiveForm
If frm IsNot Nothing AndAlso frm.Name = "Class122" Then
Dim btnCancel As Windows.Forms.Button = frm.Controls("btnCancel")
'addhandler btnCancel.Click, addressOf btnCancel_Click
btnCancel.Enabled = False
frm.ControlBox = False
MyTimers("计划1").Enabled = False
End If
锁屏时,内置登录框右上角的关闭不见了,取消按钮也变暗了,这个是如何实现的?
我们能不能设置一个按钮,点击实现弹出内置登录框,内置登录框的取消变暗,并且无法关闭(不用计时器实现内置登录框的锁屏功能)