Where is replace component

[table=98%][tr][td]In "GExperts" have "replace component" where is this functionality in cnpack. This is very important, please make this.
1. Select old component from design form
2. Choose from Menu - "replace component"
3. Write new class name in some edtit or comboboxedit in cnpack dialog
4. Click "Ok" and in .dfm and .pas file substitute class data name with new one.
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