//添加指北针
private void 指北针ToolStripMenuItem_Click(object sender, EventArgs e)
{
tag = 3;
FrmNorthArrow frmNorthArrow = new FrmNorthArrow();
frmNorthArrow.Owner = this;
frmNorthArrow.ShowDialog();
}
private void CreateNorhtArrow()
{
//Create the form with the SymbologyControl
FrmNorthArrow symbolForm = new FrmNorthArrow(null);
//Get the IStyleGalleryItem
if (symbolForm.ShowDialog() != DialogResult.OK)
{
return;
}
IStyleGalleryItem styleGalleryItem = symbolForm.GetItem();
//Release the form
symbolForm.Dispose();
if (styleGalleryItem == null)
{
return;
}
IGraphicsContainer pGraphicsContainer = m_hookHelper.ActiveView.GraphicsContainer;
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(m_hookHelper.ActiveView.FocusMap) as IMapFrame;
if (pMapFrame == null)
{
return;
}
//Create a map surround frame
IMapSurroundFrame pMapSurroundFrame = new MapSurroundFrameClass();
//Set its map frame and map surround
pMapSurroundFrame.MapFrame = pMapFrame;
pMapSurroundFrame.MapSurround = (IMapSurround)styleGalleryItem.Item;
//显示结果大小
IEnvelope pEnv = new EnvelopeClass();
IActiveView pActiveView = m_hookHelper.ActiveView;
IPageLayout pPageLayout = (IPageLayout)pActiveView;
IPage pPage = pPageLayout.Page;
double pWidth = pPage.PrintableBounds.XMax - 5;
double pHeigth = pPage.PrintableBounds.YMax - 5;
pEnv.PutCoords(pWidth, pHeigth, pWidth + 20, pHeigth + 20);
IElement pElement = (IElement)pMapSurroundFrame;
pElement.Geometry = (IGeometry)pEnv;
//Add the element to the graphics container
pGraphicsContainer.AddElement((IElement)pMapSurroundFrame, 0);
//Refresh
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pMapSurroundFrame, null);
}
