Error Installing on Delphi7

[alai]

Hi,
I have try to install on Delphi 7 and an error occour.
I have try to compile "ZComponentDesign.dpk" and the error is in the file "ZPropertyEditor.pas" with "Undeclared Identifier : 'LineEnding'.

Can help me ?

Thanks.

[alai]

Sorry, I don't have deinstall the old version