SimpleMarker3DSymbol の作成

Dim pRgbColor As IRgbColor
Set pRgbColor = New RgbColor
pRgbColor.Red = 255
pRgbColor.Green = 0
pRgbColor.Blue = 0

Dim pSimpleMarker3DSymbol As ISimpleMarker3DSymbol
Set pSimpleMarker3DSymbol = pMultilayerMarkersymbol.layer(0) 'New SimpleMarker3DSymbol
pSimpleMarker3DSymbol.ResolutionQuality = 0.5
pSimpleMarker3DSymbol.Style = esriS3DMSTetra

Dim pBillboardDisplay  As IBillboardDisplay
Set pBillboardDisplay = pSimpleMarker3DSymbol
pBillboardDisplay.BillboardDisplay = True   '3Dオブジェクトの平面を固定表示

Dim pMarkerSymbol As IMarkerSymbol
Set pMarkerSymbol = pSimpleMarker3DSymbol
'pMarkerSymbol.Color = pRgbColor

Dim pMarker3DPlacement As IMarker3DPlacement
Set pMarker3DPlacement = pSimpleMarker3DSymbol
pMarker3DPlacement.Color = pRgbColor
Debug.Print pMarker3DPlacement.Width        'ディメンション - 幅
Debug.Print pMarker3DPlacement.Depth        'ディメンション - 高さ
Debug.Print pMarker3DPlacement.size         'ディメンション - サイズ