/// <summary>
/// Initializes a new instance of the <c>Block</c> class.
/// </summary>
/// <param name="name">Block name.</param>
public Block(string name) : base(DxfObjectCode.Block)
{
if (string.IsNullOrEmpty(name))
{
throw (new ArgumentNullException("name"));
}
this.name = name;
this.basePoint = Vector3d.Zero;
this.layer = Layer.Default;
this.attributes = new Dictionary <string, AttributeDefinition>();
this.entities = new List <IEntityObject>();
this.record = new BlockRecord(name);
this.end = new BlockEnd(this.layer);
}
internal Block(string name, IEnumerable <EntityObject> entities, IEnumerable <AttributeDefinition> attributes, bool checkName)
: base(name, DxfObjectCode.Block, checkName)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException(nameof(name));
}
IsReserved = string.Equals(name, DefaultModelSpaceName, StringComparison.OrdinalIgnoreCase);
forInternalUse = name.StartsWith("*");
description = string.Empty;
origin = Vector3.Zero;
layer = Layer.Default;
xrefFile = string.Empty;
Owner = new BlockRecord(name);
flags = BlockTypeFlags.None;
end = new EndBlock(this);
this.entities = new EntityCollection();
this.entities.BeforeAddItem += Entities_BeforeAddItem;
this.entities.AddItem += Entities_AddItem;
this.entities.BeforeRemoveItem += Entities_BeforeRemoveItem;
this.entities.RemoveItem += Entities_RemoveItem;
if (entities != null)
{
this.entities.AddRange(entities);
}
this.attributes = new AttributeDefinitionDictionary();
this.attributes.BeforeAddItem += AttributeDefinitions_BeforeAddItem;
this.attributes.AddItem += AttributeDefinitions_ItemAdd;
this.attributes.BeforeRemoveItem += AttributeDefinitions_BeforeRemoveItem;
this.attributes.RemoveItem += AttributeDefinitions_RemoveItem;
if (attributes != null)
{
this.attributes.AddRange(attributes);
}
}
