/// <summary>
/// Check to see if schema is already loaded into the currently active model
/// </summary>
/// <returns>True if already loaded</returns>
internal bool SchemaLoadedInModel()
{
var modelSchema = new XmlInstanceECSchema();
var schemas = modelSchema.ReadSchemas();
return(schemas.Any(schema => schema.Equals(SchemaName, StringComparison.InvariantCultureIgnoreCase)));
}
//WS: check if a specific schema exists in dgn
internal bool SchemaLoadedInModel(string strSchemaName)
{
var modelSchema = new XmlInstanceECSchema();
//WS: Get loaded scheam
//IECSchema oSchema = modelSchema.GetLoadedSchema(strSchemaName); //WS: this got null even the schema is loaded! why??
//Schema = modelSchema.GetLoadedSchema(strSchemaName);
var schemas = modelSchema.ReadSchemas();
if (schemas.Any(schema => schema.Equals(strSchemaName, StringComparison.InvariantCultureIgnoreCase)))
{
Schema = GetSchemaFromConnection(strSchemaName);
return(true);
}
return(false);
}
/// <summary>
/// Loads the schema into the current active model
/// </summary>
/// <returns>True on success</returns>
internal bool LoadSchema()
{
if (SchemaLoadedInModel())
{
return(true);
}
if (!File.Exists(SchemaPath))
{
return(false);
}
try
{
var modelSchema = new XmlInstanceECSchema();
var schema = modelSchema.AddSchema(SchemaPath, SchemaMajorVersion, SchemaMinorVersion);
return(schema != null);
}
catch (Exception ex)
{
Debug.Print("{0} in {1}\n\t{2}", ex, ex.TargetSite, ex.Message);
return(false);
}
}