Angular 5 reactive form set mat-checkbox to check
问题 I am trying to use mat-checkbox with reactive forms on Angular 5.1.2 and Angular Material 5.0.2. Everything is working well except that when I use patchValue({amateur: [false]) it is still checked. What is weird is I have other forms where I am doing the same thing and they work fine. It also isn't just the amateur checkbox, it is all the checkboxes are checked. Just using "amateur" as an example. The formControl amateur.value is always false. However once the patched value is executed, the