Does the WInMain function is mandatory ?

[Vinod K Chandran]

On Sunday, 30 September 2018 at 15:06:31 UTC, Mike Parker wrote:
> On Sunday, 30 September 2018 at 14:06:20 UTC, Vinod K Chandran 
> wrote:
>
>>
>> Thanks. It worked.
>> I  would like to compile this as a gui. Now it starts with the 
>> cmd. Google search didn't gave me the link i want. Any help ?
>
> With the default OPTLINK linker:
>
> dmd -L/SUBSYSTEM:windows app.d
>
> In this case, user32.lib where MessageBoxW and MessageBoxA 
> reside is automatically linked.
>
> When using the MS linker:
>
> dmd -m64 -L/SUBSYSTEM:windows -L/ENTRY:mainCRTStartup app.d 
> user32.lib
>
> In this case, user32.lib is not automatically linked. Replace 
> -m64 with -m32mscoff for 32-bit output with the MS linker.
>
> -L passes command line options to the current linker.

Thanks for the reply. I think its better to write a program in 
which we can choose this codes from a combobox and click a button 
to start compiling.