Exemple #1
0
        /// <summary>
        /// Returns a value indicating if the active context can copy the selection to the clipboard</summary>
        /// <returns>True iff the active context can copy to the clipboard</returns>
        public bool CanCopy()
        {
            IInstancingContext instancingContext = m_contextRegistry.GetActiveContext <IInstancingContext>();

            return
                (instancingContext != null &&
                 instancingContext.CanCopy());
        }
        /// <summary>
        /// Checks whether the client can do the command, if it handles it</summary>
        /// <param name="commandTag">Command to be done</param>
        /// <returns>True iff client can do the command</returns>
        bool ICommandClient.CanDoCommand(object commandTag)
        {
            bool canDo = false;

            IInstancingContext instancingContext = m_contextRegistry.GetActiveContext <IInstancingContext>();

            switch ((StandardCommand)commandTag)
            {
            case StandardCommand.EditCut:
                canDo =
                    instancingContext != null &&
                    instancingContext.CanCopy() &&
                    instancingContext.CanDelete();
                break;

            case StandardCommand.EditDelete:
                canDo =
                    instancingContext != null &&
                    instancingContext.CanDelete();
                break;

            case StandardCommand.EditCopy:
                canDo =
                    instancingContext != null &&
                    instancingContext.CanCopy();
                break;

            case StandardCommand.EditPaste:
                canDo =
                    instancingContext != null &&
                    CanPaste();
                break;
            }

            return(canDo);
        }
Exemple #3
0
        /// <summary>
        /// Copies the active context's selection to the clipboard</summary>
        public void Copy()
        {
            IInstancingContext instancingContext = m_contextRegistry.GetActiveContext <IInstancingContext>();

            if (instancingContext != null &&
                instancingContext.CanCopy())
            {
                object      rawObject  = instancingContext.Copy();
                IDataObject dataObject = rawObject as IDataObject ?? new DataObject(rawObject);

                OnCopying(EventArgs.Empty);

                Clipboard = dataObject;

                OnCopied(EventArgs.Empty);
            }
        }