The BlackceDEVMODE.OCX is distributed in the Resource Toolkit.
File location:
<INSTALLATION FOLDER>\Black Ice Software LLC\Black Ice TIFF 32 bit Windows RTK\BlackIceDEVMODE
Description of the OCX
How to use the BlackIceDEVMODE.OCX
Registering the BlackIceDEVMODE.OCX
Methods of the BlackIceDEVMODE.OCX