Larry,
The CSTranspose MFX was recently updated.
+++ HERE +++ is a post in the Cakewalk by BandLab forum the developer posted. The post is copied below.
A few days ago I stumbled on a post here by @sadicus that referenced a problem with the CSTranspose MFX screwing up key-switches and realized that a lot of VST's would have a similar problem, so I updated the plug-in.
It now lets you specify a key range. Only notes within the range will be transposed. If transposition would move a note from inside the range to outside, it will be filtered. This effectively isolates the "music" keys from the "control" keys.
Note: The Range setting is not part of a Group so each instance can have its own range regardless of the Group setting.
You can drag the arrows on the left and right or use the mouse wheel while hovering over the note indicators to change the upper and lower limits of the range. Alternatively, you can click on a note indicator (its background will turn orange) and tap a key on your Midi keyboard. To make life easier, when you set the range for a VST, save it as a preset!
The post also includes an animated GIF demonstrating the new functionality.
For others,
be aware there is an install procedure that needs to be followed to register the plugins in the Windows registry. See the install instruction
+++ HERE +++