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double click

Hello,

We have professional version of dhtmlx1.6
I would like to know whether there is double click event for checkbox,basically i want to select all the child checkboxes on double click of parent checkbox in dhtmlx tree.

There is no separate doubleclick for checkbox, and common event will work only for text part of item, but you can do a bit of timing magic with onCheck event to detect the doubl-clicks.

Something similar to next

var last=0;
tree.attachEvent("onBeforeCheck",function(id){
     //called each time when checkbox clicked
     var time = (new Date()).valuerOf();
     if (time - last < 100 ) {   //100ms is time between clicks,  need to be adjusted to your needs
                //double click occurs
                custom_code();
                return false;
    } else {
            //just normal click, save time and confirm execution
            last = time;
            return true;
    }
})