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Project: Shell Folders Unit.
Applies to: ~>2.0
property IsSupported: Boolean;
Use IsSupported to determine if the current special folder is supported by the operating system.
This property returns true if the special folder specified by FolderID is supported on the operating system and false if it is not. When IsSupported is false the component’s other properties have zero values: IsVirtual is false and DisplayName and Path are empty strings.