界面上有几个radiobutton,我的想法是这样的,如果这几个radiobutton都没有选中弹出警告对话框, if radiobutton1.check=' ' and radiobutton2.check=' ' ..... then showmessage('请选择其中一项') else begin ...............
end;
可是结果显示“if radiobutton1.check=' ' and radiobutton2.check=' ' ..... ”这行有错误,请问如何修改?
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用這個, if not (radiobutton1.Checked or radiobutton2.Checked) then ... showmessage('S1P'); 或 if radiobutton1.Checked then begin .. //radiobutton1被選中 end else if radiobutton2.Checked then begin ... //radiobutton2被選中 end else begin showmessage('S1P'); end;
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——混世生