事件
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public delegate void UpdateEvent(object sender, EventArgs e);
private event UpdateEvent _updateeventhandler;
public event UpdateEvent UpdateEventHandler
{
add
{
_updateeventhandler += value;
}
remove
{
_updateeventhandler -= value;
}
private event UpdateEvent _updateeventhandler;
public event UpdateEvent UpdateEventHandler
{
add
{
_updateeventhandler += value;
}
remove
{
_updateeventhandler -= value;
}
}
if (_updateeventhandler != null)
{
_updateeventhandler(this, new EventArgs());
}