pm-controls/source/app/controls/components/panels/resize-panel/resize-panel.html

ProModel Controls

<div class="resize-panel-container" 
    [style.flex-direction]="flexDirection()"
    [style.height]="Height"
    #container>
        <div class="resize-panel-item-container" >
            <ng-content select="[resize-item-1]"></ng-content>
        </div> 
        <pm-thumb [ItemOrientation]="Orientation" 
                  [FirstElementFlexGrow]="FirstElementFlexGrow" 
                  [SecondElementFlexGrow]="SecondElementFlexGrow"
                  [CustomClass]="CustomThumbClass" 
                  (DragStart)="logDragStart($event)"
                  >        
        </pm-thumb>
        <div class="resize-panel-item-container" >
            <ng-content select="[resize-item-2]"></ng-content>
        </div>
</div>