====== map_GetHeight ======

===== Description =====

Get the number of pixels in the y-axis of the map. 

===== Function prototype =====

<code>long CExtAPI::map_GetHeight(ZMAP hMap);</code>

===== Arguments =====

^ Name ^ Type ^ Comment ^
| hMap | ZMAP | A ZMAP handle to a map, the height of which is to be retrieved. |

===== Return value =====

Zero if an error occurred or the map is uninitialised, and non-zero otherwise.

===== Comments =====

None.