GM_QueryProjectionCallbackDef – Global Mapper

Global Mapper SDK

GM_QueryProjectionCallbackDef Delegate

Callback for selecting a projection. Return 1 if the projection structure has been filled in and should be used. Return 0 if the load should be aborted.

Namespace:GlobalMapper.Types
Assembly: GlobalMapperWrapperNET (in GlobalMapperWrapperNET.dll) Version: 18.0.0.0 (18.0.0.0)

Syntax

Copy

                                    public
                                    delegate
                                    byte
                                    GM_QueryProjectionCallbackDef
                                    (
                                    out
                                    GM_Projection_t
                                    aProj
                                    ,
                                    GM_Point_t
                                    aInitialPos
                                    ,
                                    out
                                    GM_ElevUnits_t8
                                    aElevUnits
)

Parameters

aProj: Type: GlobalMapper . GM_Projection_t
OUT: projection structure to fill in
aInitialPos: Type: GlobalMapper . GM_Point_t
IN: optional coordinate in projection
aElevUnits: Type: GlobalMapper . GM_ElevUnits_t8
OUT: optional, set to elevation

Return Value

Type: Byte
Return 1 if the projection structure has been filled in and should be used. Return 0 if the load should be aborted

Reference

GlobalMapper.Types Namespace