Class diagram (#397)

Hello!

Thank you for new version.

But i have some bugs.

1) I have copied the interface from one class diagram to another. When i have try to delete this interface i got message^

System.NullReferenceException: Object reference not set to an instance of an object.

at SoftwareIdeasModeler.Core.Projecting.ModelElement.UnregisterConcreteItem(ConcreteDiagramItem item)

at SoftwareIdeasModeler.Core.Projecting.Diagram.RemoveItem(ConcreteDiagramItem element)

at SoftwareIdeasModeler.Core.Projecting.ConcreteDiagramItem.RemoveChildrenFromDiagram(Diagram diagram)

at SoftwareIdeasModeler.Core.Commands.SmartDeleteCommand.DeleteFromProject(ModelElement item, Dictionary`2 concreteItems)

at SoftwareIdeasModeler.Core.Commands.SmartDeleteCommand.Execute()

at SoftwareIdeasModeler.Core.Projecting.CommandStack.AddCommand(Command command, Boolean execute)

at SoftwareIdeasModeler.Core.Projecting.CommandStack.Execute(Command command)

at SoftwareIdeasModeler.Core.Projecting.Project.Execute(Command cmd)

at SoftwareIdeasModeler.SimDiagramControl.DeleteSelectedElements()

at SoftwareIdeasModeler.Forms.EditorForm.DeleteSelected()

at SoftwareIdeasModeler.MainForm.DeleteSelected()

at SoftwareIdeasModeler.MainForm.CutSelected()

at SoftwareIdeasModeler.MainForm.CutToolStripMenuItem_Click(Object sender, EventArgs e)

at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)

at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)

at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)

at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)

at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)

at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)

at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)

at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)

at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)

at System.Windows.Forms.Control.WndProc(Message& m)

at System.Windows.Forms.ScrollableControl.WndProc(Message& m)

at System.Windows.Forms.ToolStrip.WndProc(Message& m)

at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)

at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)

at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)

at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

2) In activity diagram i made loop node and insert here some actions. But when i try to change size of loop node action have moved down out of node.

Thank you.