取內容
NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
NSArray *types = [pasteboard types];
if ([types containsObject:NSPasteboardTypeString]) {
NSString *s = [pasteboard stringForType:NSPasteboardTypeString];
//do something...
}
放內容
NSPasteboard *pasteboard = [NSPasteboard generalPasteboard];
[pasteboard clearContents]; //必須清空,否則setString會失敗。
[pasteboard setString:@"Hello World!" forType:NSStringPboardType];