CKEditorControl ConfigPreRender Method Kentico 8.1 API Reference
Do stuff that is required to prepare certain config entries, just before rendering

Namespace: CMS.CKEditor
Assembly: CMS.CKEditor (in CMS.CKEditor.dll) Version: 8.0.0.0 (8.1.5347.20411)
See Also
CKEditorControl Class
CKEditorControl Members
CMS.CKEditor Namespace