In iOS, click a point in the map control mkmapview to obtain the longitude and latitude of the point.

The map control mkmapview is often used in iOS development. You can use the following method to obtain the latitude and longitude of a modified point when you click a certain point in mkmapview:

If a mkmapview is declared as mymapview

1. Add a gesture to the map. This gesture is a click action. When you click it, The tappress method is called.

Uitapgesturerecognizer * mtap = [[uitapgesturerecognizer alloc] initwithtarget: Self action: @ selector (tappress :)];
[Mymapview addgesturerecognizer: mtap];
[Mtap release];

2. You can perform the conversion in the tappress method.

-(Void) tappress :( uigesturerecognizer *) gesturerecognizer {

Cgpoint touchpoint = [gesturerecognizer locationinview: mymapview]; // here, touchpoint is the position of a clicked point in the map control.
Cllocationcoordinate2d touchmapcoordinate =
[Mymapview convertpoint: touchpoint tocoordinatefromview: mymapview]; // touchmapcoordinate indicates the longitude and latitude of the point.

}

Then you can add a pin or do anything you want to do at the longitude and latitude.