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Windows Mobile 6.5
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The Birthday property gets or sets the birth date for the contact. The birth date must fall between 1/1/1900 and 12/31/2999 inclusive.

To set the value of the Birthday property, call the property method described here.

To get the value of the Birthday property, see the IContact::get_Birthday property method.

HRESULT put_Birthday(
   DATE st


[in] Reference to the date object that defines the birth date. For information on the DATE type, see IPOutlookApp::VariantTimeToSystemTime. For information on the SYSTEMTIME structure, see SYSTEMTIME.

This method returns the standard values E_INVALIDARG, E_OUTOFMEMORY, E_UNEXPECTED, and E_FAIL, as well as the following:


The method completed successfully.

Windows Embedded CEWindows CE 2.0 and later
Windows MobileWindows Mobile Version 5.0 and later

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