taffy-coustom-ui/demos/Angular/src/treegrid/righttoleftlayout/app.component.html

自己编译的

<jqxTreeGrid
             [width]="getWidth()"
             [source]="dataAdapter"
             [rtl]="true"
             [columns]="columns"
             [ready]="ready"
             #TreeGrid>
</jqxTreeGrid>