For the iOS map tool, drag and drop, selection of learning IOS programming source code, a good reference.

.gitattributes
.gitignore
DDAnnotation.h
DDAnnotation.m
DDAnnotationView.h
DDAnnotationView.m
Demo
....\Classes
....\.......\MapKitDragAndDropAppDelegate.h
....\.......\MapKitDragAndDropAppDelegate.m
....\.......\MapKitDragAndDropViewController.h
....\.......\MapKitDragAndDropViewController.m
....\Icon.png
....\main.m
....\MainWindow.xib
....\MapKitDragAndDrop-Info.plist
....\MapKitDragAndDrop.xcodeproj
....\...........................\project.pbxproj
....\MapKitDragAndDropViewController.xib
....\MapKitDragAndDrop_Prefix.pch
Pin.png
PinDown1.png
PinDown2.png
PinDown3.png
PinFloating.png
PinShadow.png
README.markdown
Screenshots
...........\DDAnnotationViewiPodTouch312.png

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