PreEventArgs.Cancel 屬性
讀取或寫入 Boolean 值，指出是否要取消事件相關聯的專案實體。
命名空間: Microsoft.Office.Project.Server.Events
組件： Microsoft.Office.Project.Server.Events.Receivers (在 Microsoft.Office.Project.Server.Events.Receivers.dll 中)
語法
'宣告
<DataMemberAttribute> _
Public Property Cancel As Boolean
Get
Set
'用途
Dim instance As PreEventArgs
Dim value As Boolean
value = instance.Cancel
instance.Cancel = value
[DataMemberAttribute]
public bool Cancel { get; set; }