下列( )事件过程可以将打开文件对话框的标题改变为“nEw CAption”。
A．privAtE suB CommAnD1_CliCk()
CommonDiAlog1.DiAlogtitlE="nEw CAption"
CommonDiAlog1.showFont
EnD suB
B．privAtE suB CommAnD1_CliCk()
CommonDiAlog1.DiAlogtitlE="nEw CAption"
CommonDiAlog1.showopEn
EnD suB
C．privAtE suB CommAnD1_CliCk()
CommonDiAlog1.DiAlogtitlE="nEw CAption"
CommonDiAlog1.show hElp
EnD suB
D．privAtE suB CommAnD1_CliCk()
CommonDiAlog1.DiAlogtitlE="nEw CAption"
CommonDiAlog1.showColor
EnD suB