The VB.Net transformation converts Platform-Independent Model (PIM) elements to language-specific VB.Net Class elements.
The transformation converts the PIM model types to VB.Net types and creates encapsulation according to your options for creating properties from VB.Net attributes; that is, producing the properties according to the rules you have defined on the VB.Net Specifications page of the Options dialog. Note that the public attributes in the PIM are converted to private attributes in the PSM.
The Platform-Independent Model (PIM)
After transformation, becomes the PSM