OutlookDataObjectGetDataPresent - метод

Список перегрузок

GetDataPresent(String) Determines whether data stored in this instance is associated with, or can be converted to, the specified format.
GetDataPresent(Type) Determines whether data stored in this instance is associated with, or can be converted to, the specified format.
GetDataPresent(String, Boolean) Determines whether data stored in this instance is associated with the specified format, using a Boolean value to determine whether to convert the data to the format.

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