if I use a own DragImage within a class, derived from TDragObject, then they
nodes are not correctly drawn while I move with the DragImage over the treenodes?
If I move beside the treenodes they are drawn correctly!
I think that anyone is wrong in my use of TDragObject???
Have you ever had your Delphi form/application just hanging while waiting for data to load?
This is the article to read if you want to learn some things about adding threads for data loading in the background.
First, I'll setup a general applica…
This lesson discusses how to use a Mainform + Subforms in Microsoft Access to find and enter data for payments on orders. The sample data comes from a custom shop that builds and sells movable storage structures that are delivered to your property. …
Look below the covers at a subform control , and the form that is inside it. Explore properties and see how easy it is to aggregate, get statistics, and synchronize results for your data.
A Microsoft Access subform is used to show relevant calcul…