This is the current M3d v7.5 programming interface as defined in ​M3da.tlb

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M3d API interface as defined in M3d.tlb
Library: M3da
Main application class.
Objects:

1. CM3daDoc (dispinterface IM3da)
2. DBase (dispinterface IDBase)
3. G_Object (dispinterface IObject)
4. ME_Object (dispinterface IME_Object)

Dispinterface: IM3da
Properties:

• ElLen: DOUBLE, property related to element length. (NOT USED, SUPERCEEDED)
• IMode: SHORT, property for mode identification. (NOT USED, SUPERCEEDED)
• NoElementsH: SHORT, number of elements horizontally. (NOT USED, SUPERCEEDED)
• NoElementsW: SHORT, number of elements vertically. (NOT USED, SUPERCEEDED)
• ElDeg: DOUBLE, property for element degree. (NOT USED, SUPERCEEDED)

Methods:

• GetNo(): void, gets the number of elements.  (NOT USED, SUPERCEEDED)
• GetModel(): IDispatch*, gets the model DBase.
• DeleteSelectedWG(): void, deletes the selected waveguide.  (NOT USED, SUPERCEEDED)
• DesAll(): void, deselects all.
• ReDraw(): void, redraws the view.
• GenMesh(): void, generates the mesh.  (NOT USED, SUPERCEEDED)
• ImportCat(BSTR FileName): void, imports catalog of FEMS.
• Tog1d2d(): SHORT, toggles between 1D and 2D.  (NOT USED, SUPERCEEDED)
• ImportWG(BSTR sFName, BSTR WGName): SHORT, imports waveguide.  (NOT USED, SUPERCEEDED)
• GetDBNoObjs(): LONG, gets the number of database objects.
• GetName(LONG Index): BSTR, gets the name by index.
• ImpSecT(BSTR sFName): void, imports section Table.
• SelectWG(BSTR inName): void, selects waveguide.
• InvertSel(): void, inverts the selection.
• AddPoint(DOUBLE x, DOUBLE y, DOUBLE z, LONG Lab): void, adds a point.
• AddLine(DOUBLE x1, DOUBLE y1, DOUBLE z1, DOUBLE x2, DOUBLE y2, DOUBLE z2, LONG Lab): void, adds a line.
• ImportWG2(BSTR sFName, BSTR sName): SHORT, imports second waveguide.
• BuildAssem(LPCTSTR sModName): SHORT, builds assembly.
• DisplayAll(): void, displays all.
• ExportUNV(BSTR sFName): SHORT, exports to UNV file.
• SelectAllWGs(): void, selects all waveguide.
• ExportNAS(BSTR inName): SHORT, exports to NAS file.
• MergeNodes(DOUBLE dTol): void, merges nodes.
• ExportGroups(BSTR sFName): void, exports groups.
• SendCommand(BSTR sCmd): void, sends command.

Dispinterface: IDBase
The database class which holds all the objects (point, lines, surfaces, FEMs e.t.c
Methods:

• GetNo(): LONG, gets the number of objects in the database.
• AddNode(DOUBLE X, DOUBLE Y, DOUBLE Z, LONG ID, LONG COL): void, adds a node to the current mesh.
• ReDrawWindow(): void, redraws the graphics.
• GetObject(LONG iNo): IDispatch*, gets the object by index.
• GetNoOnSrn(): LONG, gets the number of objects displayed on screen.
• GetOnSrnObject(LONG iNo): IDispatch*, gets the object on screen by index.
• GetActiveMesh(): IDispatch*, gets the active FEM model.

Dispinterface: IObject
The base class of all objects stored in DBase
Properties:

• iColour: LONG, specifies the colour of the object.
• iLabel: LONG, object label.
• iObjType: LONG, main type of the object.
• iType: LONG, sub-type of the object.
• iFile: LONG, file number for the FE object or layer for geom.

Methods:

• GetTest(): BSTR, gets a test string.
• GetObjectHeaders(VARIANT* pVariant): HRESULT, gets the object headers.
• GetObjectVars(VARIANT* pVariant): HRESULT, gets object variables as strings.
• PutObjectVars(VARIANT* pVariant): HRESULT, sets object variables from strings.
• GetObjectName(BSTR* pName): HRESULT, gets the name of the object.

Dispinterface: IME_Object
The FEM Mesh Object which contains Nodes, Element, Loads, BC and results. There can be many FEMs in the DBase but only 1 active 1. Call GetActiveMesh() to retrieve.
Properties:

• iColour: LONG, specifies the color of the object.
• iLabel: LONG, object label.
• iObjType: LONG, main type of the object.
• iType: LONG, sub-type of the object.
• iFile: LONG, file number for the FE object.
• iIntID: LONG, internal mesh ID.
• iNdNo: LONG, number of nodes.
• iElNo: LONG, number of elements.
• iBCLDs: LONG, number of boundary conditions and loads.
• iCYS: LONG, number of coordinate systems.
• iNoLCs: LONG, number of load case sets.
• iCurLC: LONG, ID of current load case set.
• iNoBCs: LONG, number of boundary condition sets.
• iCurBC: LONG, ID of current boundary condition set.
• iNoTSets: LONG, number of temperature sets.
• iCurTSet: LONG, ID of current temperature set.
• iNoRes: LONG, number of results sets.
• iCurResSetDef: LONG, results set for deformation.
• iResValDef: LONG, results variable for deformation.
• iCVarDef: LONG, posted deformation value.
• iCurResSet: LONG, results set for contour.
• iResVal: LONG, results variable for contour.
• iPostOpt: LONG, secondary variable for contour.
• iCVar: LONG, posted contour value.
• iSecID: LONG, secondary contour variable.
• iCurResVecSet: LONG, results set for vector display.
• iSecVecID: LONG, secondary option for vector display.

Methods:

• GetObjectHeaders(VARIANT* pVariant): HRESULT, gets the object headers.
• GetObjectVars(VARIANT* pVariant): HRESULT, gets object variables as strings.
• PutObjectVars(VARIANT* pVariant): HRESULT, sets object variables from strings.
• GetObjectName(BSTR* pName): HRESULT, gets the name of the object.
• GetFEMName(BSTR* pName): HRESULT, gets the FEM name.
• GetNodeByInd(LONG iNo): IDispatch*, gets the node by index.
• GetNodeByID(LONG iNID): IDispatch*, gets the node by ID.
• GetElementByInd(LONG iNo): IDispatch*, gets the element by index.
• GetElementByID(LONG iEID): IDispatch*, gets the element by ID.

New method and propertied are being added continually.