A delegate implemented by observers that are interested in variable changing events.
Public Delegate Sub VariableChangingEventHandler(object sender, VariableChangingEventArgs e) As void
public delegate void VariableChangingEventHandler(object sender, VariableChangingEventArgs e);
| Parameters | Description |
|---|---|
| sender | Object that fired the event |
| e | VariableChangingEventArgs |
var.Changing += new VariableChangingEventHandler(OnVarChanging); //add new event handler
var.Changing -= new VariableChangingEventHandler(OnVarChanging); //remove event handler