internal EditSavePoint( IEditTransaction transaction, IReadOnlyDictionary<string, object> state )
{
Contract.Requires( transaction != null );
Contract.Requires( state != null );
this.transaction = transaction;
this.state = state;
}
/// <summary>
/// 呈递事务,并触发已呈递事务事件,可被子类使用;
/// </summary>
/// <param name="transaction"></param>
protected void CommitTransaction(IEditTransaction transaction)
{
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction));
}
TransactionCommited?.Invoke(this, transaction);
}
/// <summary>
/// 触发绘制对象信息变更事务,由子类调用;
/// </summary>
/// <param name="editTransaction"></param>
protected void RaiseEditTransActionCommited(IEditTransaction editTransaction)
{
if (editTransaction == null)
{
throw new ArgumentNullException(nameof(editTransaction));
}
EditTransActionCommited?.Invoke(this, editTransaction);
}
private void _canvasViewModel_EditTransactionCommited(object sender, IEditTransaction e)
{
_canvas.CanvasControl.CommitTransaction(e);
}