PackUriHelper.ComparePartUri(Uri, Uri) Method

Definition

Namespace:

System.IO.Packaging

Assembly:

System.IO.Packaging.dll

Source:

PackUriHelper.cs

Returns a value that indicates whether two package part URIs are equivalent.

C#

public static int ComparePartUri(Uri? firstPartUri, Uri? secondPartUri);

Parameters

firstPartUri

Uri

The URI of the first PackagePart.

secondPartUri

Uri

The URI of the second PackagePart.

Returns

Int32

A value that indicates the relationship between firstPartUri and secondPartUri.

Value	Meaning
Less than 0	firstPartUri is less than secondPartUri.
0	firstPartUri is equivalent to secondPartUri.
Greater than 0	firstPartUri is greater than secondPartUri.

Exceptions

ArgumentException

firstPartUri or secondPartUri is not a valid part URI syntax.

Remarks

If both firstPartUri and secondPartUri are null, ComparePartUri returns 0. When comparing PackagePart URIs, a null URI is always less than a non-null URI. For cases where firstPartUri and secondPartUri are both relative PackagePart URIs, ComparePartUri performs the comparison.

Applies to

See also

• ComparePackUri(Uri, Uri)