hi all, i am trying to make a File read Operation application. in that application i have required NSAlert class reference to show the dialog. this class present in AppKit.Framework file i want to add this framework into my project so i can use NSAlert class in my project. Lacation of AppKit.framework : /system/library/framework error:Appkit.framework file not found. Please help me it's necessary for me because i have required this in other applications also.