protected virtual void InvokeExecuting(CommandExecutingEventArgs args)
{
var handler = Executing;
if (handler != null)
{
handler(this, args);
}
}
public void Execute()
{
this.LogDebugFormat("Executing command {0} (type {1})...", this, GetType());
if (!Enabled)
{
throw new CommandExecutingException("Cannot execute disabled command");
}
if (Buzy)
{
throw new InvalidOperationException("Cannot execute buzy command");
}
try
{
Buzy = true;
InvokeBeforeExecute();
var args = new CommandExecutingEventArgs(Context);
InvokeExecuting(args);
if (args.Cancel)
{
this.LogWarnFormat("Command {0} cancelled by user code", this);
return;
}
OnExecute();
InvokeAfterExecute(new CommandExecutedEventArgs(Context));
}
finally
{
Buzy = false;
}
}