<?xml version='1.0' ?>
<xsl:stylesheet xmlns:xsl='http://www.w3.org/1999/XSL/Transform' version='1.0'>
<xsl:output method='text'/>

<xsl:template match="GEDCOM">
        digraph &apos;G&apos; {
        <xsl:apply-templates select="FamilyRec"/>
        <xsl:apply-templates select="IndividualRec"/>
        }
</xsl:template>

<xsl:template match="IndividualRec">
        <xsl:value-of select="@Id"/>[ label=&quot;<xsl:value-of select="IndivNam
e/GivenName"/><xsl:text> </xsl:text><xsl:value-of select="IndivName/SurName"/> &
quot;];
</xsl:template>

<xsl:template match="FamilyRec">
        <xsl:variable name="famId"><xsl:value-of select="@Id"/></xsl:variable>
        <xsl:if test="HusbFath">
                <xsl:value-of select="HusbFath/Link/@Ref"/>-&gt;<xsl:value-of se
lect="$famId"/>;
        </xsl:if>

        <xsl:if test="WifeMoth">
                <xsl:value-of select="WifeMoth/Link/@Ref"/>-&gt;<xsl:value-of se
lect="$famId"/>;
        </xsl:if>

        <xsl:for-each select="Child">
                <xsl:value-of select="$famId"/>-&gt;<xsl:value-of select="Link/@
Ref"/>;
        </xsl:for-each>

</xsl:template>

</xsl:stylesheet>

 private void button2_Click(object sender, System.EventArgs e) {

string strCmdLine1 = "-Tsvg -o c:\\tmp\\foo.xml c:\\tmp\\ER.dot";
string strCmdLine2 = "-Tsvg -o c:\\tmp\\foo.xml c:\\tmp\\Heawood.dot";
System.Diagnostics.Process p = new System.Diagnostics.Process();

p.StartInfo.FileName = "\"C:\\Program Files\\ATT\\Graphviz\\bin\\dot.exe\"";
p.StartInfo.CreateNoWindow = true;
p.StartInfo.UseShellExecute = false;
if (graphIndex == 0)
p.StartInfo.Arguments = strCmdLine2;
else
p.StartInfo.Arguments = strCmdLine1;

p.Start();
p.WaitForExit();

axSVGCtl1.reload();
graphIndex = (graphIndex + 1) % 2;
}