Weird style of Indeterminate checkbox on Winform

it is like a disabled checkbox

I have no idea why Indeterminate checkbox is likely to disabled one. I want it as https://blogger.googleusercontent.com/img/proxy/AVvXsEiwiN7Vg05yonmaR9wgeHPrfvhz72d14GWyVYrBNjUJFX4wczpAVA5ZMd-zaUGdLNkravLIp8kzy5vgk8NhTtFarowEpCOG1CiW-gj8PvLLLWPJPr91CUBpLDsJOm1n1cqoyCpRAtHpLW9oJgNZa2aKP3gEqgE70g=