Topic: How correctly to clear CMFCMaskedEdit?

There is some component m_IDC_EDIT1 type CMFCMaskedEdit. This component contains a template for the job of date and time in format ../::. Is admissible, the user entered into it the following date and time: 2018.02.21/14:34:06.000 How program to clear contents of this component m_IDC_EDIT1 - that in it the blank line, but a template ____ contained not. __. __ / __: __: __. ___?