WriteProtection.CryptographicProviderTypeExtSource Property
Provider Type Extensibility Source.Represents the attribte in schema: w:cryptProviderTypeExtSource
Namespace: DocumentFormat.OpenXml.Wordprocessing
Assembly: DocumentFormat.OpenXml (in DocumentFormat.OpenXml.dll)
Syntax
'Declaration
<SchemaAttrAttribute(, "cryptProviderTypeExtSource")> _
Public Property CryptographicProviderTypeExtSource As StringValue
Get
Set
'Usage
Dim instance As WriteProtection
Dim value As StringValue
value = instance.CryptographicProviderTypeExtSource
instance.CryptographicProviderTypeExtSource = value
[SchemaAttrAttribute(, "cryptProviderTypeExtSource")]
public StringValue CryptographicProviderTypeExtSource { get; set; }
Property Value
Type: DocumentFormat.OpenXml.StringValue
Returns StringValue.
Remarks
The following information from the ECMA International Standard ECMA-376 can be useful when working with this class.
Specifies the application which defined the provider type value specified by the cryptProviderTypeExt attribute.
Consider a WordprocessingML document with the following information stored in one of its protection elements:
<w:… w:cryptProviderTypeExt="00A5691D"
w:cryptProvideTypeExtSource="Contoso"
w:hash="9oN7nWkCAyEZib1RomSJTjmPpCY=" />
The cryptProvideTypeExtSource attribute value of Contoso specifies that the provider type used here was published by the Contoso application.
The possible values for this attribute are defined by the ST_String simple type.