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);
}
}
}
