NSAlert
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NSAlert is a modal dialog or sheet.
<syntaxhighlight lang="c_max">
/** NS Alert Example*/
NSAlert* a = [ NSAlert alertWithMessageText:@"title" defaultButton:@"ok" alternateButton:@"cancel" otherButton:nil informativeTextWithFormat:@"more information ];
//Run as a dialog NSInteger returnCode = [a runModal]; switch(returnCode) { case 1:
//ok break;
case 2:
//cancel break; }
//Attach to window [a beginSheetModalForWindow:windowP modalDelegate:self didEndSelector:@selector(alertDidEnd:) contextInfo:nil];
- (void) alertDidEnd:(NSAlert *)alert returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo { switch(returnCode) { case 1: //ok break; case 2: //cancel break; } } </p>
</syntaxhighlight>
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