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Gets or sets the custom format string for a long date and long time value.
Assembly: mscorlib (in mscorlib.dll)
The "F" standard format string is an alias for the property. In other words, the custom format string assigned to this property defines the format of the result string for the "F" standard format string. For more information, see Standard Date and Time Format Strings.
This property is affected if the value of the property changes.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see dd66cd4c-b087-415f-9c3e-94e3a1835f74.