How to get rid of "nothrow" ?

[Vinod K Chandran]

On Sunday, 17 May 2020 at 09:50:00 UTC, Olivier Pisano wrote:
> On Sunday, 17 May 2020 at 09:27:40 UTC, Vinod K Chandran wrote:
>> Hi all,
>> I am trying to create a win32 based gui in dlang. So far so 
>> good. I can create and display my window on screen. But for 
>> handling messages, i planned to write something like message 
>> crackers in c++. But since, my WndProc function is a "nothrow" 
>> function, i cannot use any function without "nothorw" in that 
>> WndProc. How to solve this problem ?
>
> Hi,
>
> You need to catch any exceptions inside of your WndProc so they 
> don't propagate:
>
> LRESULT CALLBACK WindowProc(HWND hwnd, UINT uMsg, WPARAM 
> wParam, LPARAM lParam) nothrow
> {
>     try
>     {
>         // your code logic here may call throwing functions
>     }
>     catch (Exception e)
>     {
>         // You should log exceptions here
>     }
> }

Hi, Thanks a lot. Let me try.