一个自己写的下拉框组件，需要者自取 comboBox
资源文件列表
comboBox/Classes/comboBoxAppDelegate.h , 481
comboBox/Classes/comboBoxAppDelegate.m , 676
comboBox/Classes/comboBoxViewController.h , 288
__MACOSX/comboBox/Classes/._comboBoxViewController.h , 171
comboBox/Classes/comboBoxViewController.m , 871
__MACOSX/comboBox/Classes/._comboBoxViewController.m , 171
comboBox/Classes/list_ico_d.png , 3564
comboBox/comboBox-Info.plist , 909
comboBox/comboBox.xcodeproj/apple.mode1v3 , 40423
comboBox/comboBox.xcodeproj/apple.pbxuser , 6973
comboBox/comboBox.xcodeproj/project.pbxproj , 12064
comboBox/comboBox_Prefix.pch , 185
comboBox/ComboBoxView.h , 711
__MACOSX/comboBox/._ComboBoxView.h , 171
comboBox/ComboBoxView.m , 4882
__MACOSX/comboBox/._ComboBoxView.m , 171
comboBox/comboBoxViewController.xib , 6729
comboBox/main.m , 358
comboBox/MainWindow.xib , 9815