---------------------------------------------<br>unit Unit1;<br><br>type TForm1=class(TForm)<br> ……<br> public<br> procedure a1;<br> end;<br><br>procedure TForm1.a1;<br>begin<br> ……<br>end;<br><br>---------------------------------------------<br>unit Unit2;<br><br>type TForm2=class(TForm)<br> ……<br> public<br> procedure a2;<br> end;<br><br>uses Unit1;<br><br>procedure TForm2.a2;<br>begin<br> Unit1.a1;<br>end;