Is This Control A Radio Button?

[a_unique_name]

Hi Folks:

Developing on Windows 10 Pro, Visual Studio 2017 Community.

I'm writing a function that needs to know if a control who's handle it's receiving as an argument is a radio button.

In this test I pass the handle to a radio button.

I run GetWindowInfo() on the control and the window style is 0x50000009.

BS_RADIOBUTTON is 0x00000004L.


window_is_radio_button =
(window_info.dwStyle & BS_RADIOBUTTON) == BS_RADIOBUTTON;



So the radio button fails the test for a radio button.

What am I doing wrong?

Thanks
Larry

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