Public Overridable Sub ShowObjectPropertiesDialog() 

Dim instance As AnnAutomation
 
instance.ShowObjectPropertiesDialog()

public virtual void ShowObjectPropertiesDialog()

public:
virtual void ShowObjectPropertiesDialog(); 

Public Sub AnnAutomation_ShowObjectPropertiesDialog(ByVal automation As AnnAutomation)
   ' first add a new object to the automation
   Dim rectObj As AnnRectangleObject = New AnnRectangleObject()
   rectObj.Bounds = New AnnRectangle(100, 100, 100, 100, AnnUnit.Pixel)
   rectObj.Pen = New AnnPen(Color.Blue, New AnnLength(1, AnnUnit.Pixel))
   rectObj.Brush = New AnnSolidBrush(Color.Yellow)
   automation.Container.Objects.Add(rectObj)
   automation.Viewer.Invalidate(rectObj.InvalidRectangle)
   ' make sure no objects are selected in the automation
   automation.SelectNone()

   ' show the object properties dialog (this should show a message informing you that no objects are currently selected (bring edited)
   ShowProperties(automation)

   ' select (edit) the object we have just added
   automation.StartEditing(rectObj, False)

   ' show the object properties dialog (should show the object properties dialog)
   ShowProperties(automation)
End Sub

Private Sub ShowProperties(ByVal automation As AnnAutomation)
   ' check if we can show the dialog
   If automation.CanShowObjectPropertiesDialog Then
      automation.ShowObjectPropertiesDialog()
   Else
      MessageBox.Show("Cannot show the object properties dialog because no object is currently being edited (selected)")
   End If
End Sub

public void AnnAutomation_ShowObjectPropertiesDialog(AnnAutomation automation)
{
   // first add a new object to the automation
   AnnRectangleObject rectObj = new AnnRectangleObject();
   rectObj.Bounds = new AnnRectangle(100, 100, 100, 100, AnnUnit.Pixel);
   rectObj.Pen = new AnnPen(Color.Blue, new AnnLength(1, AnnUnit.Pixel));
   rectObj.Brush = new AnnSolidBrush(Color.Yellow);
   automation.Container.Objects.Add(rectObj);
   automation.Viewer.Invalidate(rectObj.InvalidRectangle);
   // make sure no objects are selected in the automation
   automation.SelectNone();

   // show the object properties dialog (this should show a message informing you that no objects are currently selected (bring edited)
   ShowProperties(automation);

   // select (edit) the object we have just added
   automation.StartEditing(rectObj, false);

   // show the object properties dialog (should show the object properties dialog)
   ShowProperties(automation);
}

private void ShowProperties(AnnAutomation automation)
{
   // check if we can show the dialog
   if(automation.CanShowObjectPropertiesDialog)
      automation.ShowObjectPropertiesDialog();
   else
      MessageBox.Show("Cannot show the object properties dialog because no object is currently being edited (selected)");
}