本文整理匯總了VB.NET中System.ConsoleCancelEventArgs.Cancel屬性的典型用法代碼示例。如果您正苦於以下問題:VB.NET ConsoleCancelEventArgs.Cancel屬性的具體用法?VB.NET ConsoleCancelEventArgs.Cancel怎麽用?VB.NET ConsoleCancelEventArgs.Cancel使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類System.ConsoleCancelEventArgs
的用法示例。
在下文中一共展示了ConsoleCancelEventArgs.Cancel屬性的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: Sample
Class Sample
Public Shared Sub Main()
Dim cki As ConsoleKeyInfo
Console.Clear()
' Establish an event handler to process key press events.
AddHandler Console.CancelKeyPress, AddressOf myHandler
While True
Console.Write("Press any key, or 'X' to quit, or ")
Console.WriteLine("CTRL+C to interrupt the read operation:")
' Start a console read operation. Do not display the input.
cki = Console.ReadKey(True)
' Announce the name of the key that was pressed .
Console.WriteLine($" Key pressed: {cki.Key}{vbCrLf}")
' Exit if the user pressed the 'X' key.
If cki.Key = ConsoleKey.X Then Exit While
End While
End Sub
Protected Shared Sub myHandler(ByVal sender As Object, _
ByVal args As ConsoleCancelEventArgs)
Console.WriteLine($"{vbCrLf}The read operation has been interrupted.")
Console.WriteLine($" Key pressed: {args.SpecialKey}")
Console.WriteLine($" Cancel property: {args.Cancel}")
' Set the Cancel property to true to prevent the process from terminating.
Console.WriteLine("Setting the Cancel property to true...")
args.Cancel = True
' Announce the new value of the Cancel property.
Console.WriteLine($" Cancel property: {args.Cancel}")
Console.WriteLine($"The read operation will resume...{vbCrLf}")
End Sub
End Class
' The example diplays output similar to the following:
' Press any key, or 'X' to quit, or CTRL+C to interrupt the read operation:
' Key pressed: J
'
' Press any key, or 'X' to quit, or CTRL+C to interrupt the read operation:
' Key pressed: Enter
'
' Press any key, or 'X' to quit, or CTRL+C to interrupt the read operation:
'
' The read operation has been interrupted.
' Key pressed: ControlC
' Cancel property: False
' Setting the Cancel property to true...
' Cancel property: True
' The read operation will resume...
'
' Key pressed: Q
'
' Press any key, or 'X' to quit, or CTRL+C to interrupt the read operation:
' Key pressed: X