Setting focus

[StephenUK]

I like to run up and down the explorer tree (using arrow keys)with notes and items displaying as I do so, but with the focus remaining in the tree.

I have set Options / Misc / "Set focus to active selection pane when going to an item".

Nonetheless, when running up and down the tree, if there is a pdf or a Word document for example, the focus gets diverted away from the tree, and there can also be a delay if a Word document loads. I then have to refocus on the tree, which is a nuisance.

With rtf notes and directories, for example, this problem does not arise and the focus remains in the tree.

Is there any way to ensure that the focus is always on the tree regardless of what type of document is involved and regardless as to whether documents are set to display in native format?