Cocoa: show Alert

Show Alert in a Cocoa application:

- (IBAction)showAlert:(id)sender

{

NSString *question = NSLocalizedString(@"Do you see this alert?", 

  @"Let's verify that I see this question");

NSString *info = NSLocalizedString(@"I hope, I see this alert", 

           @"Here is an info");

NSString *cancelButton = NSLocalizedString(@"Cancel", 

  @"Cancel button title");

NSAlert *alert = [[NSAlert alloc] init];

[alert setMessageText:question];

[alert setInformativeText:info];

[alert addButtonWithTitle:cancelButton];

NSInteger answer = [alert runModal];

[alert release];

alert = nil;

}