How change window Backgound Color when press a Button when using "ResEdit Resource Editor" to design?

Thu Jan 30 04:31:46 UTC 2020

On Thursday, 30 January 2020 at 04:29:42 UTC, bauss wrote:
> On Thursday, 30 January 2020 at 03:49:29 UTC, Marcone wrote:
>> I created a GUI using "ResEdit Resource Editor" and embeded to 
>> Dlang using this code above. Now I want to change the window 
>> Backgound Color when press a Button. How can I make it?
>>
>>
>
> You need to handle WM_ERASEBKGND
>
> And then you can set it using CreateSolidBrush and 
> SetClassLongPtr with GCLP_HBRBACKGROUND

I am very noob. Can you send me the code?