MonthCalendar.RemoveAllBoldedDates Method
.NET Framework 4.5
Removes all the nonrecurring bold dates.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
This method clears the BoldedDates array. To remove a single date from the bold dates, use the RemoveBoldedDate method.
You must call the UpdateBoldedDates method to ensure that the display is updated to reflect the removal.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.