AddMapSurrounds.CreateScaleBar.OnMouseUp C# (CSharp) Метод

		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.esriStyleClassScaleBars);
			//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;
		}
	}