Okette2:
Mythirst for learningleads me tothe next level
Excellent!
mdlDialog_balloonTextShow is an MDL function. You've correctly declared it at the beginning of your module. However, its first parameter is a pointer to an MDL dialog box. Since you're writing VBA, you don't have an MDL dialog to reference.
I can see what you want to do. I don't think that IPrimitiveCommandEvents_Dynamics is the right place for it. Try implementing ILocateCommandEvents and do something in the ILocateCommandEvents_LocateFilter event. Without any extra code, you should see element information as you hover over an element.