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//清空某个Form的控件内容,用Tag来判断procedure TBN.ClearEdit(Frm:TForm;iTag:integer);var ChildCtrl:TComponent; icnt:Integer;begin for icnt:= Frm.ComponentCount - 1 downto 0 do begin ChildCtrl:=Frm.Components[icnt]; if (ChildCtrl is TEdit) and (ChildCtrl.tag=iTag) then TEdit(ChildCtrl).clear; if (ChildCtrl is TRzEdit) and (ChildCtrl.tag=iTag) then TRzEdit(ChildCtrl).clear; if (ChildCtrl is TCombobox) and (ChildCtrl.tag=iTag) then TCombobox(ChildCtrl).Text:=''; if (ChildCtrl is TRzCombobox) and (ChildCtrl.tag=iTag) then TRzCombobox(ChildCtrl).Text:=''; if (ChildCtrl is TRzButtonEdit) and (ChildCtrl.tag=iTag) then TRzButtonEdit(ChildCtrl).Text:=''; if (ChildCtrl is TRzMemo) and (ChildCtrl.tag=iTag) then TRzMemo(ChildCtrl).Text:=''; if (ChildCtrl is TMemo) and (ChildCtrl.tag=iTag) then TMemo(ChildCtrl).Text:=''; if (ChildCtrl is TRadioGroup) and (ChildCtrl.Tag=iTag) then TRadioGroup(ChildCtrl).ItemIndex:=0; if (ChildCtrl is TRzButtonEdit) and (ChildCtrl.Tag=iTag) then TRzButtonEdit(ChildCtrl).Text:=''; if (ChildCtrl is TDatetimePicker) and (ChildCtrl.Tag=iTag) then TDatetimePicker(ChildCtrl).DateTime:=now; end;end;
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