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在窗体上画一个名称为CommonDialog1的通用对话框,一个名称为Command1的命令按钮,要求单击命令按钮时,打开一个保存文件的对话框,该窗口的标题为“Save”,缺省文件名称为“SaveFile”,在“文件类型”栏中显示*txt,则能够满足上述要求的程序是
A.
Private Sub Command1_Click ( ) CommonDialog1.FileName='SaveFile' CommonDialog1.Filter='AllFiles|*.*|(*.txt)|*.txt|(*.doC)|*.doc' CommonDialog1.FilterIndex=2 CommonDialog1.DialogTitle='Save' CommonDialog1.Action=2 End Sub
B.
Private Sub Command1_Click ( ) CommonDialog1.FileName='SaveFile' CommonDialog1.Filter='AllFiles|*.*|(*.txt)|*.txt|(*.do C)|*.doc' CommonDialog1.FilterIndex=1 CommonDialog1.DialogTitle='Save' CommonDialog1.Action=2 End Sub
C.
Private Sub Command1 Click ( ) CommonDialog1.FileName='Save' CommonDialog1.Filter='AllFiles|*.*|(*.txt)|*.txt|(*.do C)|*.doc' CommonDialog1.FilterIndex=2 CommonDialog1.DialogTitle='SaveFile' CommonDialog1.Action=2 End Sub
D.
Private Sub Command1 Click ( ) CommonDialog1.FileName='SaveFile' CommonDialog1.Filter='AllFiles|*.*|(*.txt)|*.txt|(*.do C)|*.doc' CommonDialogl.FilterIndex=1 CommonDialog1.DialogTitle='Save' CommonDialog1.Action=1 End Sub