Take a SCOM management pack and transform it to DGML to display as a graph inside visual studio. Helps to visualise your system definition models.

SCOMDGML.xslt

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://schemas.microsoft.com/vs/2009/dgml" version="1.0">
	<xsl:output method="xml" indent="yes"/>
	<xsl:template match="/">
		<DirectedGraph>
			<Nodes>
				<xsl:apply-templates select="ManagementPack/TypeDefinitions/EntityTypes/ClassTypes/ClassType" />
			</Nodes>
			<Links>
				<xsl:apply-templates select="ManagementPack/TypeDefinitions/EntityTypes/RelationshipTypes/RelationshipType" />
			</Links>
			<Categories>
			</Categories>
			<Properties>
				<Property Id="Accessibility" Label ="Accessibility" Description="Accessibility" DataType="System.String" />
				<Property Id="Abstract" Label="Abstract" Description="Whether this is an abstract class" DataType="System.Boolean" />
				<Property Id="Base" Label="Base" Description="Whether this is a base class" DataType="System.String"/>
				<Property Id="Hosted" Label="Hosted" Description="Whether this is hosted" DataType="System.Boolean"/>
				<Property Id="Singleton" Label="Singleton" Description="Whether this is singleton" DataType="System.Boolean"/>
			</Properties>
		</DirectedGraph>
	</xsl:template>
	<xsl:template match="ManagementPack/TypeDefinitions/EntityTypes/ClassTypes/ClassType">
		<xsl:element name="Node">
			<xsl:attribute name="Id">
				<xsl:value-of select="@ID"/>
			</xsl:attribute>
			<xsl:attribute name="Accessibility">
				<xsl:value-of select="@Accessibility"/>
			</xsl:attribute>
			<xsl:attribute name="Abstract">
				<xsl:value-of select="@Abstract"/>
			</xsl:attribute>
			<xsl:attribute name="Base">
				<xsl:value-of select="@Base"/>
			</xsl:attribute>
			<xsl:attribute name="Hosted">
				<xsl:value-of select="@Hosted"/>
			</xsl:attribute>
			<xsl:attribute name="Singleton">
				<xsl:value-of select="@Singleton"/>
			</xsl:attribute>
		</xsl:element>
	</xsl:template>

	<xsl:template match="ManagementPack/TypeDefinitions/EntityTypes/RelationshipTypes/RelationshipType">
		<Link>
			<xsl:attribute name="Source">
				<xsl:value-of select="Source"/>
			</xsl:attribute>
			<xsl:attribute name="Target">
				<xsl:value-of select="Target"/>
			</xsl:attribute>
		</Link>
	</xsl:template>
</xsl:stylesheet>