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Removes metadata properties satisfying the specified predicate.
public int RemoveProperties(Func<MetadataProperty, bool> predicate)
| Parameter | Type | Description |
|---|---|---|
| predicate | Func`2 | A function to test each metadata property for a condition. |
The number of affected properties.
Learn more
- More examples demonstrating usages of this method: Removing metadata
This example demonstrates how to remove specific metadata properties using various criteria.
using (Metadata metadata = new Metadata(Constants.InputDocx))
{
// Remove all the properties satisfying the predicate:
// property contains the name of the document author OR
// it refers to the last editor OR
// the property value is a string that contains the substring "John" (to remove any mentions of John from the detected metadata)
var affected = metadata.RemoveProperties(
p => p.Tags.Contains(Tags.Person.Creator) ||
p.Tags.Contains(Tags.Person.Editor) ||
p.Value.Type == MetadataPropertyType.String && p.Value.ToString().Contains("John"));
Console.WriteLine("Properties removed: {0}", affected);
metadata.Save(Constants.OutputDocx);
}
- delegate Func<T,TResult>
- class MetadataProperty
- class Metadata
- namespace GroupDocs.Metadata
- assembly GroupDocs.Metadata
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