/// <summary>
/// Opens a DBObject for write.
/// </summary>
/// <param name="doc">Document where the object is being found.</param>
/// <param name="dbObject">Object to open for write.</param>
/// <exception cref="WriteEnablerException"/>
/// <exception cref="Autodesk.AutoCAD.Runtime.Exception"/>
public WriteEnabler(Document doc, DBObject dbObject)
{
if (doc != null)
{
_document = doc;
if (dbObject != null)
{
_db_object = dbObject;
// Make write enabled if it's not enabled yet.
if (!dbObject.IsWriteEnabled)
{
try
{
DocumentLockMode lock_mode = doc.LockMode();
if (lock_mode == DocumentLockMode.Write || lock_mode == DocumentLockMode.ExclusiveWrite)
{
// is the object an entity?
// if yes, unlock layer.
if (dbObject is Entity entity)
{
UnlockLayer(entity.LayerId);
}
// make object writable
_db_object.UpgradeOpen();
_is_upgraded = true;
}
else
{
string err_message = "\nDocument is not locked, object cannot be opened for write.";
throw new WriteEnablerException(err_message);
}
}
catch (Exception)
{
throw;
}
}
}
else
{
throw new Autodesk.AutoCAD.Runtime.Exception(Autodesk.AutoCAD.Runtime.ErrorStatus.NullObjectPointer, "DBObject is Null");
}
}
else
{
throw new Autodesk.AutoCAD.Runtime.Exception(Autodesk.AutoCAD.Runtime.ErrorStatus.NoDocument, "No active document.");
}
}
/// <summary>
/// Stars the locked transaction.
/// </summary>
/// <param name="tm">The tm.</param>
/// <param name="lockMode">The lock mode.</param>
/// <param name="globalCommandName">Name of the global command.</param>
/// <param name="localCommandName">Name of the local command.</param>
/// <param name="promptIfFails">if set to <c>true</c> [prompt if fails].</param>
/// <returns></returns>
public static Runtime.LockedTransaction StartLockedTransaction(this TransactionManager tm, DocumentLockMode lockMode, string globalCommandName, string localCommandName, bool promptIfFails)
{
DocumentLock doclock = Application.DocumentManager.MdiActiveDocument.LockDocument(lockMode, globalCommandName, localCommandName, promptIfFails);
return new Runtime.LockedTransaction(tm.StartTransaction(), doclock);
}
/// <summary>
/// Stars the locked transaction.
/// </summary>
/// <param name="tm">The tm.</param>
/// <param name="lockMode">The lock mode.</param>
/// <param name="globalCommandName">Name of the global command.</param>
/// <param name="localCommandName">Name of the local command.</param>
/// <param name="promptIfFails">if set to <c>true</c> [prompt if fails].</param>
/// <returns></returns>
public static Runtime.LockedTransaction StartLockedTransaction(this TransactionManager tm, DocumentLockMode lockMode, string globalCommandName, string localCommandName, bool promptIfFails)
{
DocumentLock doclock = Application.DocumentManager.MdiActiveDocument.LockDocument(lockMode, globalCommandName, localCommandName, promptIfFails);
return(new Runtime.LockedTransaction(tm.StartTransaction(), doclock));
}