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This article lists the events specific to the RadDateRangePicker control.

Currently, the control provides only a single dedicated event named CustomRangesLoading. It occurs when the predefined set of ranges is loading. The event can be used to modify or remove the ranges. The event arguments are of type CustomRangesLoadingEventArgs.

CustomRangesLoading event handler

private void RadDateRangePicker_CustomRangesLoading(object sender, CustomRangesLoadingEventArgs e) 
    // removes the first predefined range 
    // adds a new custom range 
    var newRange = new CustomRange("Last 42 days") 
        StartDate = DateTime.Today.AddDays(-42), 
        EndDate = DateTime.Today 
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