Autorefresh.Autorefresh.OnUpdate C# (CSharp) Метод

		protected override void OnUpdate()
		{
			if (m_schematicTarget == null)
			{
				IExtension extention = null;
				IExtensionManager extensionManager;

				extensionManager = (IExtensionManager)m_application;
				for (int i = 0; i < extensionManager.ExtensionCount; i++)
				{
					extention = extensionManager.get_Extension(i);
                    if (extention.Name.ToLower() == "esri schematic extension")
                        break;
				}

				if (extention != null)
				{
					SchematicExtension schematicExtension = extention as SchematicExtension;
					m_schematicTarget = schematicExtension as ISchematicTarget;
				}
			}

			if (m_schematicTarget != null)
			{
				ISchematicLayer schematicLayer;
				schematicLayer = m_schematicTarget.SchematicTarget;

				if (schematicLayer == null)
				{
					Enabled = false;
					if (m_formAuto != null) m_formAuto.SetAutoOff(true);
				}
				else if (schematicLayer.IsEditingSchematicDiagram())
					Enabled = true;
				else
				{
					Enabled = false;
					if (m_formAuto != null) m_formAuto.SetAutoOff(true);
				}
			}
			else
			{
				Enabled = false;
				if (m_formAuto != null) m_formAuto.SetAutoOff(true);
			}
		}
	}