AddMapSurrounds.SymbolForm.GetItem C# (CSharp) Метод

		public IStyleGalleryItem GetItem(ESRI.ArcGIS.Controls.esriSymbologyStyleClass styleClass)
		{
			m_styleGalleryItem = null;
       
			//Set the style class of SymbologyControl1
			axSymbologyControl1.StyleClass = styleClass; 
      
			//Change cursor
			this.Cursor = Cursors.Default;

			//Show the modal form
			this.ShowDialog();

			//return the label style that has been selected from the SymbologyControl
			return m_styleGalleryItem;
		}

        public override void OnMouseUp(int Button, int Shift, int X, int Y)
        {
            if (m_InUse == false)
            {
                return;
            }

            //Stop capturing mouse events
            if (GetCapture() == m_HookHelper.ActiveView.ScreenDisplay.hWnd)
            {
                ReleaseCapture();
            }

            //If an envelope has not been tracked or its height/width is 0
            if (m_Feedback == null)
            {
                m_Feedback = null;
                m_InUse    = false;
                return;
            }
            IEnvelope envelope = m_Feedback.Stop();

            if ((envelope.IsEmpty) || (envelope.Width == 0) || (envelope.Height == 0))
            {
                m_Feedback = null;
                m_InUse    = false;
                return;
            }

            //Create the form with the SymbologyControl
            SymbolForm symbolForm = new SymbolForm();
            //Get the IStyleGalleryItem
            IStyleGalleryItem styleGalleryItem = symbolForm.GetItem(esriSymbologyStyleClass.esriStyleClassScaleTexts);

            //Release the form
            symbolForm.Dispose();
            if (styleGalleryItem == null)
            {
                return;
            }

            //Get the map frame of the focus map
            IMapFrame mapFrame = (IMapFrame)m_HookHelper.ActiveView.GraphicsContainer.FindFrame(m_HookHelper.ActiveView.FocusMap);

            //Create a map surround frame
            IMapSurroundFrame mapSurroundFrame = new MapSurroundFrameClass();

            //Set its map frame and map surround
            mapSurroundFrame.MapFrame    = mapFrame;
            mapSurroundFrame.MapSurround = (IMapSurround)styleGalleryItem.Item;

            //QI to IElement and set its geometry
            IElement element = (IElement)mapSurroundFrame;

            element.Geometry = envelope;

            //Add the element to the graphics container
            m_HookHelper.ActiveView.GraphicsContainer.AddElement((IElement)mapSurroundFrame, 0);
            //Refresh
            m_HookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, mapSurroundFrame, null);

            m_Feedback = null;
            m_InUse    = false;
        }