## Operator.GetNumPortsInGroup

### Introduced

v3.0

### Description

Returns the number of Ports in a PortGroup. Returns -1 if there is a failure.

### C# Syntax

    Int32 Operator.GetNumPortsInGroup( Int32 in_lPortGroupIndex );

### Scripting Syntax

    oLong = Operator.GetNumPortsInGroup( PortGroupIndex );

### Return Value

Long

### Parameters

Parameter | Type | Description
--- | --- | ---
PortGroupIndex | Long | Port.GroupIndex

### Examples

#### JScript Example

    /*

    	This example illustrates how to get the number of ports within operator's

    	port groups.

    */

    NewScene( null, false );

    var sphere = CreatePrim( "Sphere", "MeshSurface" );

    var cube = CreatePrim( "Cube", "MeshSurface" );

    cube.posx.Value = 3;

    cube.posy.Value = 3;

    var objs_array = new Array(2);

    objs_array[0] = cube;

    objs_array[1] = sphere;

    // Boolean difference grid

    ApplyOp( "BooleanGenDifference", objs_array );

    // Get generated mesh from selection

    var mesh = selection(0);

    // Get boolean operator from cube's construction history

    var e = new Enumerator(mesh.ActivePrimitive.ConstructionHistory);

    var op;

    for ( ; !e.atEnd(); e.moveNext() )

    if ( e.item().Type == "booleangen" )

    {

    op = e.item();

    break;

    }

    // Print the number of ports in each group

    Application.LogMessage( op.Name + ": num port groups = " + op.GetNumPortGroups() );

    for ( var i=0; i<op.GetNumPortGroups(); i++ )

    Application.LogMessage( op.Name + ": num ports in group " + i + " = " + op.GetNumPortsInGroup(i) );

    //INFO : "Boolean Generator: num port groups = 3"

    //INFO : "Boolean Generator: num ports in group 0 = 2"

    //INFO : "Boolean Generator: num ports in group 1 = 2"

    //INFO : "Boolean Generator: num ports in group 2 = 2"