Renames the specified standard POST field to the new name.
getImageUploader("ImageUploaderID").RenameField(OldName, NewName);
Both string parameters can use the following placeholders:
Current index of the file. It can be used as follows:
RenameField("Width_[ItemIndex]", "MyWidth - [ItemIndex]");
Current index of the thumbnail. It can be used as follows:
RenameField("Thumbnail[ThumbnailIndex]Width_[ItemIndex]", "Thumbnail width, Item - [ItemIndex], Thumbnail - [ThumbnailIndex]");