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在窗体上画一个名称为CommonDialogl的通用对话框,一个名为Command1的命令按钮。要求单击命令按钮时,打开一个保存文件的通用对话框。该窗体的标题为“Save”,默认文件名为“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_C1ick() CommonDialogl. FileName='SayeFile' CommonDialogl. Filter='All Files|*. *|(*. txt)|*. txt|(*. doe)|*. doc' CommonDialogl. FilterIndex=2 CommonDialogl. DialogTitle='Save' CommonDialogl. Action=2 End Sub
B.
Private Sub Command1_Click() CommonDialogl. FileName='SaveFile' CqmmonDialogl. Filter='All Files|*. *|*. txt)|*. txt|(*. doe)|*. doff' CommonDialogl. FilterIndex=1 CommonDialegl. DialogTitle='Save' CommonDialogl. Action=2 End Sub
C.
Private Sub Command1_Click() CommonDialogl. FileName='Save' CommonDialogl. Filter='All Files|*. *|(*. txt)|*. txt|(*. doe)|*. doe' CommonDialogl. FilterIndex=2 CommonDialogl. DialogTitle='SaveFile' CommonDia]ogl. Action=2 End Sub
D.
Private Sub Command1_Click() CommonDialogl. FileName='SaveFile' CommenDialogl. Filter='All Files|*. *|(*. txt)|*. txt|(*. doc)|*. doe' CommonDialogl. FilterIndex=1 CommonDialogl. DialogTitle='Save' CommonDialogl. Action=1 End Sub