C# pattern to prevent an event handler hooked twice
43779
How to ensure an event is only subscribed to once
7545
WebBrowser DocumentCompleted event fired more than once
65018
How to prevent behavior-attached functions from being attached twice?
150313
How to dispatch events in C#
38614
Pure Java/JSF implementation for double submit prevention
110068
How can I Have a WPF EventTrigger on a View trigger when the underlying Viewmodel dictates it should?
71623
event.preventDefault() vs. return false
74694
Double-checked locking in .NET
14720
recurring event logic
95894
WPF Databinding thread safety?
22056
How to tell a lambda function to capture a copy instead of a reference in C#?
133343
How to trigger an event after using event.preventDefault()
6948
How to prevent a user from having multiple instances of the Same Web application
155393
Event Reciever ItemAdded fired twice
30903
What happens when I wrap I/O streams twice?
122282
WinForms: How to programmatically fire an event handler?
19152
What is a Generic Handler in asp.net and its use?