Hi Rob,Thanks for using Syncfusion products,We have analyzed your query. There is no inbuild option to achive your requirement.But we can achive this workaround solution.
Please refer the below code snippet:
var element="",obj;
$(function () {
$("#treeView").ejTreeView({showCheckbox:true,nodeClick:"check",create:"create",nodeCheck:"check",nodeUncheck:"check"});
});
function create(args) {
$("#wait").ejWaitingPopup({showOnInit:false,target:"#treeView"});
$(".e-chk-inact").bind("mousedown",clikcer);
obj=$("#wait").ejWaitingPopup('instance');
}
function clikcer(evt) {
obj.show();
}
function check(args) {
if (obj) obj.hide(); }
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The waiting popup will show in treeview control, in the mean of while of node checking.
In this, we have created the waiting popup with treeview control element as target. We have used nodeCheck, nodeUncheck client side evets to hide the waiting popup, since this event will be triggered once all nodes are checked. Also to show the waiting popup, we have bounded the “mousedown” event to check box element. The waiting popup will shown when we mouse down on the check box element.
For your conviniace, we have prepared the simple sample based on this. Please get the sample from below location
Sample
Please use given solution in your sample, and let us know if you have further queries,
Regards,
Sasikala Nagarajan