预清方法/初始化工作总结

edit1.clear;

edit1.text:='';

MaskEdit2.text:='';

memo1.lines.clear;

query2.close;

listbox2.items.clear;

radiogroup1.itemindex:=-1;

checkbox2.state:=cbunchecked;

combobox1.clear;

button1.enabled:=false;