Does CMFCButton::SetTooltip works fine on disabled button?

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MFC

Hello there

Just created a button and mapped it with CMFCButton in my class.
i have Used CMFCButton::SetTooltip in dialog initialization. it is working fine with no issues.
But when i chnaged button state that is now button is in disabled mode as follows GetDlgItem(IDC_BTN)->EnableWindow(FALSE);
tooltip is not showing.
i did google, searched samples but could not reached a solution.
NOTE:
I hope this problem will apply for images on button too.

Thank you in advance