public ColumnMetadata(string name, DType schema, DataFormat?dataFormat, string displayName, bool isReadOnly, bool isKey, bool isRequired,
ColumnCreationKind creationKind, ColumnVisibility visibility,
string titleColumnName, string subtitleColumnName, string thumbnailColumnName,
ColumnLookupMetadata?lookupMetadata, ColumnAttachmentMetadata?attachmentMetadata)
{
Contracts.AssertNonEmpty(name);
Contracts.AssertValid(schema);
Contracts.AssertOneOfValueTypeOrNull(dataFormat, DataTypeInfo.GetValidDataFormats(schema.Kind));
Contracts.AssertNonEmpty(displayName);
Contracts.AssertNonEmptyOrNull(titleColumnName);
Contracts.AssertNonEmptyOrNull(subtitleColumnName);
Contracts.AssertNonEmptyOrNull(thumbnailColumnName);
Contracts.AssertValueOrNull(lookupMetadata);
Contracts.AssertValueOrNull(attachmentMetadata);
Name = name;
Type = schema;
DataFormat = dataFormat;
DisplayName = displayName;
IsReadOnly = isReadOnly;
IsKey = isKey;
IsRequired = isRequired;
_kind = creationKind;
_visibility = visibility;
TitleColumnName = titleColumnName;
SubtitleColumnName = subtitleColumnName;
ThumbnailColumnName = thumbnailColumnName;
LookupMetadata = lookupMetadata;
AttachmentMetadata = attachmentMetadata;
if (dataFormat == PowerFx.Core.App.DataFormat.AllowedValues)
{
AllowedValues = AllowedValuesMetadata.CreateForValue(schema);
}
}