rivatevoidbutto
2_Clickobjectse
derEve
tArgsethisClose……
（2）注册界面及代码
Form3cs
usi
gSystemusi
gSystemXml……usi
gSystemIO
amespaceWi
dowsApplicatio
1publicpartialclassForm3Form
……
privatevoidbutto
1_Clickobjectse
derEve
tArgseiftextBox4TextTrim