public virtual bool Execute(ICommand command)
{
lock (this)
{
try
{
InExecute = true;
ActiveCommand = command;
if (CommandExecuting != null)
{
var e = new CommandExecutingEventArgs(command);
CommandExecuting(this, e);
if (e.Cancel)
{
if (CommandExecutionCancelled != null)
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
return false;
}
}
if (!BeforeExecute(command))
{
if (CommandExecutionCancelled != null)
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
return false;
}
if (!DoExecute(command))
{
if (CommandExecutionCancelled != null)
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
return false;
}
if (!AfterExecute(command))
{
if (CommandExecutionCancelled != null)
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
return false;
}
if (CommandExecuted != null)
CommandExecuted(this, new CommandExecutedEventArgs(command));
return true;
}
catch (Exception)
{
if (CommandExecutionCancelled != null)
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
throw;
}
finally
{
InExecute = false;
ActiveCommand = null;
}
}
}
public virtual bool Execute(ICommand command)
{
lock (this)
{
try
{
InExecute = true;
ActiveCommand = command;
if (CommandExecuting != null)
{
var e = new CommandExecutingEventArgs(command);
CommandExecuting(this, e);
if (e.Cancel)
{
if (CommandExecutionCancelled != null)
{
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
}
return(false);
}
}
if (!BeforeExecute(command))
{
if (CommandExecutionCancelled != null)
{
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
}
return(false);
}
if (!DoExecute(command))
{
if (CommandExecutionCancelled != null)
{
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
}
return(false);
}
if (!AfterExecute(command))
{
if (CommandExecutionCancelled != null)
{
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
}
return(false);
}
if (CommandExecuted != null)
{
CommandExecuted(this, new CommandExecutedEventArgs(command));
}
return(true);
}
catch (Exception)
{
if (CommandExecutionCancelled != null)
{
CommandExecutionCancelled(this, new CommandExecutedEventArgs(command));
}
throw;
}
finally
{
InExecute = false;
ActiveCommand = null;
}
}
}
