[Visual Basic 6.0]
'Create a graphics layer and add it to globe, then add different symbol elements:
  ' 1. Simple point marker
  ' 2. Point with Picture
  ' 3. Point with 3D Marker
  ' 4. Point with Textured 3D Marker
  ' 5. MultiPatch
  ' 6. Polygon
  ' 7. Text element with custom element properties
Sub AddGlobeGraphics()
  
  ' Get the globe scene
  Dim pGMxDoc As IGMxDocument
  Set pGMxDoc = ThisDocument
  Dim pScene As IScene
  Set pScene = pGMxDoc.Scene
  
  ' Create a graphics layer and add it to the scene
  
  Dim pGrLayer As IGraphicsContainer3D
  Set pGrLayer = New GlobeGraphicsLayer
  Dim pLayer As ILayer
  Set pLayer = pGrLayer
  pLayer.Name = "My Graphics"
  pScene.AddLayer pLayer
  Set pScene.ActiveGraphicsLayer = pLayer
  
  ' ADD GRAPHICS ELEMENTS
  
  ' Prepare the geometry etc.
  Dim pGeometry As IGeometry
  Set pGeometry = New Point
  Dim pPoint As IPoint
  Set pPoint = pGeometry
  Dim pZA As IZAware
  Set pZA = pPoint
  pZA.ZAware = True   'important: to make sure the Z of the point can be used
  Dim pColor As IColor
  Set pColor = New RgbColor
  Dim pElement As IElement  'to be re-used/recycled later on
  ' 1. Simple point marker:
  pPoint.PutCoords 45#, 30#
  pPoint.Z = 0#
  Set pElement = New MarkerElement
  pElement.Geometry = pGeometry
  Dim pMarker As IMarkerSymbol
  Set pMarker = New SimpleMarkerSymbol
  pColor.RGB = RGB(255, 0, 0)
  pMarker.Color = pColor
  Dim pMarkerElement As IMarkerElement
  Set pMarkerElement = pElement
  pMarkerElement.Symbol = pMarker
  pGrLayer.AddElement pElement
  ' 2. Point with Picture:
  pPoint.PutCoords 60#, 60#
  pPoint.Z = 0#
  Set pElement = New MarkerElement
  pElement.Geometry = pPoint
  Dim pPMSymbol As IPictureMarkerSymbol
  Set pPMSymbol = New PictureMarkerSymbol
  pPMSymbol.CreateMarkerSymbolFromFile esriIPictureBitmap, "c:\temp\picture.bmp"
  pPMSymbol.size = 10
  pColor.RGB = RGB(255, 0, 255)
  pPMSymbol.BitmapTransparencyColor = pColor
  Set pMarkerElement = pElement
  pMarkerElement.Symbol = pPMSymbol
  pGrLayer.AddElement pElement
  ' 3. Point with 3D Marker (a cone):
  pPoint.PutCoords -60, 45
  pPoint.Z = 500000
  Set pElement = New MarkerElement
  Dim p3DMarker As ISimpleMarker3DSymbol
  Set p3DMarker = New SimpleMarker3DSymbol
  p3DMarker.Style = esriS3DMSCone
  p3DMarker.ResolutionQuality = 1#
  Dim pMarkerSym As IMarkerSymbol
  Set pMarkerSym = p3DMarker
  pColor.RGB = RGB(255, 80, 255)
  pMarkerSym.Color = pColor
  pMarkerSym.size = 1000000 ' meters
  pElement.Geometry = pPoint
  Set pMarkerElement = pElement
  pMarkerElement.Symbol = pMarkerSym
  pGrLayer.AddElement pElement
  ' 4. Point with Textured 3D Marker:
  pPoint.PutCoords -40, 87
  pPoint.Z = 0
  Set pElement = New MarkerElement
  Dim pComplex3DSym As IMarker3DSymbol
  Set pComplex3DSym = New Marker3DSymbol
  pComplex3DSym.CreateFromFile "d:\temp\house.flt"
  Set pMarkerSym = pComplex3DSym
  Dim p3DPlace As IMarker3DPlacement
  Set p3DPlace = pComplex3DSym
  pColor.RGB = RGB(255, 255, 255)
  pColor.Transparency = 255
  pMarkerSym.Color = pColor
  pMarkerSym.size = 400000#
  pElement.Geometry = pPoint
  Set pMarkerElement = pElement
  pMarkerElement.Symbol = pMarkerSym
  pGrLayer.AddElement pElement
  ' 5. MultiPatch (a cylinder, taken from a 3D Symbol):
  Set p3DMarker = New SimpleMarker3DSymbol
  p3DMarker.Style = esriS3DMSCylinder
  p3DMarker.ResolutionQuality = 0.5
  Set pMarkerSym = p3DMarker
  pMarkerSym.Color = pColor
  Dim pMarker3DPlacement As IMarker3DPlacement
  Set pMarker3DPlacement = p3DMarker
  pMarker3DPlacement.MaintainAspectRatio = False
  pMarkerSym.size = 3000000#  ' height in meters
  pMarker3DPlacement.Width = 10#  ' in decimal degrees
  pMarker3DPlacement.Depth = 10#
  pPoint.PutCoords 0#, 0#
  pPoint.Z = 0#
  pMarker3DPlacement.ZOffset = 500000
  pMarker3DPlacement.ApplyToPoint pPoint, pGeometry, 0#, 0#, 1#
  Set pElement = New MultiPatchElement
  Dim pFillSym As ISimpleFillSymbol
  Set pFillSym = New SimpleFillSymbol
  pColor.RGB = RGB(255, 255, 0)
  pFillSym.Color = pColor
  pElement.Geometry = pGeometry
  Dim pFillElement As IFillShapeElement
  Set pFillElement = pElement
  pFillElement.Symbol = pFillSym
  pGrLayer.AddElement pElement
  ' 6. Polygon:
  Set pElement = New PolygonElement
  Set pGeometry = New Polygon
  Dim pPoints As IPointCollection
  Set pPoints = pGeometry
  With pPoint
    .PutCoords 0#, 30#
    .Z = 2000000
    pPoints.AddPoint pPoint
    
    .PutCoords -60#, 30#
    .Z = 1500000
    pPoints.AddPoint pPoint
    
    .PutCoords -60#, -30#
    .Z = 1500000
    pPoints.AddPoint pPoint
    
    .PutCoords 0#, -30#
    .Z = 2000000
    pPoints.AddPoint pPoint
  End With
  pColor.RGB = RGB(0, 255, 0)
  pColor.Transparency = 120
  pFillSym.Color = pColor
  pElement.Geometry = pGeometry
  Set pFillElement = pElement
  pFillElement.Symbol = pFillSym
  pGrLayer.AddElement pElement
  ' 7. Text element:
  Set pElement = New TextElement
  Set pGeometry = New Point
  Set pPoint = pGeometry
  pPoint.PutCoords 35#, 35#
  pPoint.Z = 0#
  Dim pTextSym As ITextSymbol
  Set pTextSym = New TextSymbol
  pColor.RGB = RGB(200, 255, 100)
  pColor.Transparency = 255
  pTextSym.Color = pColor
  pTextSym.size = 20
  
  Dim pFontDisp As stdole.IFontDisp
  Set pFontDisp = New stdole.StdFont
  With pFontDisp
    .Name = "Arial"
    .size = 20
    .Weight = 400
    .Italic = False
    .Underline = False
    .Strikethrough = False
  End With
  
  pTextSym.Font = pFontDisp
  pTextSym.HorizontalAlignment = esriTHACenter
  pTextSym.VerticalAlignment = esriTVABottom
  pElement.Geometry = pGeometry
  Dim pTextElement As ITextElement
  Set pTextElement = pElement
  pTextElement.Symbol = pTextSym
  pTextElement.Text = "This is a test"
  
  'pGrLayer.AddElement pElement ' adds the text element with default properties
  
  ' Use Properties object to add a callout line and local orientation to the text, which are not default
  Dim pProps As IGlobeGraphicsElementProperties
  Set pProps = New GlobeGraphicsElementProperties
  pProps.Illuminate = False
  pProps.FixedScreenSize = True
  pProps.OrientationMode = esriGlobeGraphicsOrientationLocal
  'pProps.OrientationMode = esriGlobeGraphicsOrientationBillboard
  ' Define the callout line:
  pProps.UseCallOutLine = True
  pColor.RGB = RGB(255, 0, 0)
  Dim pLineSym As ISimpleLineSymbol
  Set pLineSym = New SimpleLineSymbol
  pLineSym.Color = pColor
  pLineSym.Width = 3#
  pProps.CallOutLineSymbol = pLineSym
  pProps.PutCallOutLineOffset 2#, 5#, 200000   ' geographic
  ' Add the same text element with custom properties
  Dim pGlobeGraphicsLayer As IGlobeGraphicsLayer
  Set pGlobeGraphicsLayer = pGrLayer
  MsgBox pGlobeGraphicsLayer.IsHidden
  pGlobeGraphicsLayer.AddElement pElement, pProps, 0
  ' Refresh view
  Dim pGlobe As IGlobe
  Set pGlobe = pScene
  Dim pGDisplay As IGlobeDisplay
  Set pGDisplay = pGlobe.GlobeDisplay
  pGDisplay.RefreshViewers
End Sub

[Visual Basic .NET, C#, C++]
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