public static void AddNorthArrow(AxPageLayoutControl pageLayoutControl, IEnvelope envelope)
{
IUID uid = new UIDClass()
{
Value = "esriCarto.MarkerNorthArrow"
};
IFrameElement frameElement = (pageLayoutControl.PageLayout as IGraphicsContainer)
.FindFrame(pageLayoutControl.ActiveView.FocusMap);
IMapFrame mapFrame = frameElement as IMapFrame;
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uid as UID, null); // Dynamic Cast
IElement element = mapSurroundFrame as IElement; // Dynamic Cast
element.Geometry = envelope;
element.Activate(pageLayoutControl.ActiveView.ScreenDisplay);
(pageLayoutControl.PageLayout as IGraphicsContainer).AddElement(element, 0);
IMapSurround mapSurround = mapSurroundFrame.MapSurround;
// Change out the default north arrow
IMarkerNorthArrow markerNorthArrow = mapSurround as IMarkerNorthArrow; // Dynamic Cast
IMarkerSymbol markerSymbol = markerNorthArrow.MarkerSymbol;
ICharacterMarkerSymbol characterMarkerSymbol = markerSymbol as ICharacterMarkerSymbol; // Dynamic Cast
characterMarkerSymbol.CharacterIndex = 202;
markerNorthArrow.MarkerSymbol = characterMarkerSymbol;
}
/// <summary>
/// Gets the GPS photo symbol.
/// </summary>
/// <returns>ISymbol for GPS Locations</returns>
private ISymbol GetGPSPhotoSymbol()
{
IMultiLayerMarkerSymbol multiLayerMarkerSymbol = new MultiLayerMarkerSymbolClass();
ICharacterMarkerSymbol viewshedSymbol = this.GetGPSPhotoViewshedSymbol();
multiLayerMarkerSymbol.AddLayer(viewshedSymbol);
ICharacterMarkerSymbol charSymbol = new CharacterMarkerSymbol();
// IFontDisp fontDisp = (IFontDisp)(new StdFont());
IRgbColor rgbColor = new RgbColor();
// Define the color we want to use
rgbColor.Red = 255;
rgbColor.Green = 0;
rgbColor.Blue = 0;
// Define the Font we want to use
charSymbol.Font = ESRI.ArcGIS.Utility.Converter.ToStdFont(new System.Drawing.Font("ESRI Default Marker", 30f));
// Set the CharacterMarkerSymbols Properties
charSymbol.Size = 8;
charSymbol.Angle = 0;
charSymbol.CharacterIndex = 34;
charSymbol.Color = rgbColor;
charSymbol.XOffset = 0;
charSymbol.YOffset = 0;
multiLayerMarkerSymbol.AddLayer(charSymbol);
return((ISymbol)multiLayerMarkerSymbol);
}
public void AddNorthArrow(IPageLayout pageLayout, IMap map, double posX, double posY, double division)
{
try
{
if (pageLayout == null || map == null)
{
return;
}
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(posX - division, posY - division, posX, posY); // Specify the location and size of the north arrow
ESRI.ArcGIS.esriSystem.IUID uid = new ESRI.ArcGIS.esriSystem.UIDClass();
uid.Value = "esriCarto.MarkerNorthArrow";
// Create a Surround. Set the geometry of the MapSurroundFrame to give it a location
// Activate it and add it to the PageLayout's graphics container
IGraphicsContainer graphicsContainer = pageLayout as IGraphicsContainer; // Dynamic Cast
IActiveView activeView = pageLayout as IActiveView; // Dynamic Cast
IFrameElement frameElement = graphicsContainer.FindFrame(map);
IMapFrame mapFrame = frameElement as IMapFrame; // Dynamic Cast
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uid as ESRI.ArcGIS.esriSystem.UID, null); // Dynamic Cast
IElement element = mapSurroundFrame as IElement; // Dynamic Cast
element.Geometry = envelope;
element.Activate(activeView.ScreenDisplay);
graphicsContainer.AddElement(element, 0);
IMapSurround mapSurround = mapSurroundFrame.MapSurround;
// Change out the default north arrow
IMarkerNorthArrow markerNorthArrow = mapSurround as IMarkerNorthArrow; // Dynamic Cast
IMarkerSymbol markerSymbol = markerNorthArrow.MarkerSymbol;
ICharacterMarkerSymbol characterMarkerSymbol = markerSymbol as ICharacterMarkerSymbol; // Dynamic Cast
characterMarkerSymbol.CharacterIndex = 174; // change the symbol for the North Arrow
markerNorthArrow.MarkerSymbol = characterMarkerSymbol;
}
catch (Exception ex)
{
frmErrorLog pfrmErrorLog = new frmErrorLog(); pfrmErrorLog.ex = ex; pfrmErrorLog.ShowDialog();
return;
}
}
private void axSymbologyControl1_OnItemSelected(object sender, ISymbologyControlEvents_OnItemSelectedEvent e)
{
button2.Enabled = true;
m_pStyleGalleryItem = (IStyleGalleryItem)e.styleGalleryItem;
if (m_pStyleGalleryItem == null)
{
return;
}
//获取新的指北针
pMarkerNorthArrow = m_pStyleGalleryItem.Item as IMarkerNorthArrow;
if (pMarkerNorthArrow == null)
{
return;
}
pCharacterMarkerSymbol = pMarkerNorthArrow.MarkerSymbol as ICharacterMarkerSymbol;
pCharacterMarkerSymbol.Size = 100;
System.Drawing.Image image = PageLayoutInsert.CreatePictureFromSymbol((ISymbol)this.pCharacterMarkerSymbol, this.picBoxPreview.Width, this.picBoxPreview.Height, 0);
this.picBoxPreview.Image = image;
textBoxSize.Text = pCharacterMarkerSymbol.Size.ToString();
textBoxAngle.Text = pCharacterMarkerSymbol.Angle.ToString();
}
