pagelayoutControl中添加图元(VB)

添加文本，图例，图形比例尺，文字比例尺

Private Sub insertText_Click()

  Dim pActiveView As IActiveView

  Dim pGraphicsContainer As IGraphicsContainer

  Dim pTextElement As ITextElement, pTextSymbol As ITextSymbol, pColor As IColor

  Dim pElement As IElement, pEnvelope As IEnvelope

  Set pActiveView = pPageLayoutControl.ActiveView

  Set pGraphicsContainer = pPageLayoutControl.PageLayout

  Set pEnvelope = New Envelope

  pEnvelope.PutCoords 0, 0, 20.4, 50.4

  Set pTextElement = New TextElement

  Set pElement = pTextElement

  pElement.Geometry = pEnvelope

  pTextElement.Text = "My Map"

  Set pTextSymbol = New TextSymbol

  Set pColor = New RgbColor

  pColor.RGB = &H8000&

  pTextSymbol.Color = pColor

  pTextSymbol.size = 40

  pTextElement.Symbol = pTextSymbol

  pGraphicsContainer.AddElement pTextElement, 0

  pPageLayoutControl.ActiveView.PartialRefresh esriViewGraphics, Nothing, Nothing

End Sub

Private Sub insertLegend_Click()

  Dim pUid As UID, pEnvelope As IEnvelope, pMapSurround As IMapSurround

  Dim m_GraphicsContainer  As IGraphicsContainer, m_MapFrame As IMapFrame

  Dim m_MapSurroundFrame As IMapSurroundFrame, m_Element As IElement, m_TrackCancel As ITrackCancel

  Set pUid = New UID

  pUid.value = "esriCarto.legend"

  Set pEnvelope = New Envelope

  pEnvelope.PutCoords 1, 1, 3.4, 2.4

  Set m_GraphicsContainer = pPageLayoutControl.PageLayout

  Set m_MapFrame = m_GraphicsContainer.FindFrame(pPageLayoutControl.ActiveView.FocusMap)

  Set m_MapSurroundFrame = m_MapFrame.CreateSurroundFrame(pUid, pMapSurround)

  Set m_MapSurroundFrame.MapFrame = m_MapFrame

  m_MapSurroundFrame.MapSurround.name = "legend"

  Set m_Element = m_MapSurroundFrame

  m_Element.Geometry = pEnvelope

  m_Element.Activate pPageLayoutControl.ActiveView.screenDisplay

  Set m_TrackCancel = New CancelTracker

  m_Element.Draw pPageLayoutControl.ActiveView.screenDisplay, m_TrackCancel

  m_GraphicsContainer.AddElement m_Element, 0

  m_Element.Geometry = pEnvelope

  pPageLayoutControl.ActiveView.PartialRefresh esriViewDrawPhase.esriViewGraphics, Nothing, Nothing

End Sub

Private Sub insertScalebar_Click()

  Dim pEnvelope As IEnvelope, pMapSurround As IMapSurround

  Dim pStyleGalleryItem As IStyleGalleryItem

  Set pEnvelope = New Envelope

  pEnvelope.PutCoords 1, 1, 3.4, 2.4

  Set pStyleGalleryItem = bgFrmShowElementStyle.getItem(esriStyleClassScaleBars)

  Set pMapSurround = CreateMapSurround(pPageLayoutControl.PageLayout, _

                      pPageLayoutControl.ActiveView.FocusMap, _

                      "ScaleBar", pEnvelope, pPageLayoutControl.ActiveView, pStyleGalleryItem)

  pPageLayoutControl.ActiveView.PartialRefresh esriViewDrawPhase.esriViewGraphics, Nothing, Nothing

End Sub

Private Sub insertNorth_Click()

  Dim pEnvelope As IEnvelope, pMapSurround As IMapSurround

  Dim pStyleGalleryItem As IStyleGalleryItem

  Set pEnvelope = New Envelope

  pEnvelope.PutCoords 0.2, 0.2, 3, 3

  Set pStyleGalleryItem = bgFrmShowElementStyle.getItem(esriStyleClassNorthArrows)

  Set pMapSurround = CreateMapSurround(pPageLayoutControl.PageLayout, _

                       pPageLayoutControl.ActiveView.FocusMap, _

                       "NorthArrow", pEnvelope, pPageLayoutControl.ActiveView, pStyleGalleryItem)

  pPageLayoutControl.ActiveView.PartialRefresh esriViewDrawPhase.esriViewGraphics, Nothing, _ Nothing

End Sub

Private Sub insertScaleText_Click()

  Dim pEnvelope As IEnvelope, pMapSurround As IMapSurround

  dim pStyleGalleryItem As IStyleGalleryItem

  Set pEnvelope = New Envelope

  pEnvelope.PutCoords 1, 1, 3.4, 2.4

  Set pStyleGalleryItem = bgFrmShowElementStyle.getItem(esriStyleClassScaleTexts)

  Set pMapSurround = CreateMapSurround(pPageLayoutControl.PageLayout, _

                        pPageLayoutControl.ActiveView.FocusMap, _

                        "ScaleText", pEnvelope, pPageLayoutControl.ActiveView, pStyleGalleryItem)

  pPageLayoutControl.ActiveView.PartialRefresh esriViewDrawPhase.esriViewGraphics, Nothing, Nothing

End Sub

Private Function CreateMapSurround(m_PageLayout As IPageLayout, m_Map As IMap, _

                          name As String, m_Envelope As IEnvelope, m_ActiveView As IActiveView, _

                          m_styleGalleryItem As IStyleGalleryItem) As IMapSurround

  Dim m_GraphicsContainer  As IGraphicsContainer, m_MapFrame As IMapFrame

  Dim m_MapSurroundFrame As IMapSurroundFrame, m_Element As IElement

  dim m_TrackCancel As ITrackCancel

  Set m_GraphicsContainer = m_PageLayout

  Set m_MapFrame = m_GraphicsContainer.FindFrame(m_Map)

  Set m_MapSurroundFrame = New MapSurroundFrame

  Set m_MapSurroundFrame.MapFrame = m_MapFrame

  Set m_MapSurroundFrame.MapSurround = m_styleGalleryItem.Item

  m_MapSurroundFrame.MapSurround.name = name

  Set m_Element = m_MapSurroundFrame

  m_Element.Geometry = m_Envelope

  m_Element.Activate m_ActiveView.screenDisplay

  Set m_TrackCancel = New CancelTracker

  m_Element.Draw m_ActiveView.screenDisplay, m_TrackCancel

  m_GraphicsContainer.AddElement m_Element, 0

  m_Element.Geometry = m_Envelope