help: sendmessage function

[Hasan Aljudy]

John C wrote:
> llee wrote:
> 
>> I'm trying to call the SendMessage function as defined in the windows 
>> api.
> 
> 
> Because there's no such function. It's SendMessageA (the SDK headers 
> define SendMessage as a macro).
> 
>> Unfortunately every attempt to call it results in an error.
>> Initially I tried calling the function directly assuming that it would 
>> have been
>> imported into my applications namespace after: " import 
>> std.c.windows.windows; "
>> this failed. So I tried:
>> " extern (Windows) void SendMessage (HWND, uint, WPARAM, LPARAM); "
> 
> 
> Try this
>     extern(Windows) LRESULT SendMessageA(HWND hWnd, UINT uMsg, WPARAM 
> wParam, LPARAM lParam);
> or for the Unicode version use
>     extern(Windows) LRESULT SendMessageW(HWND hWnd, UINT wMsg, WPARAM 
> wParam, LPARAM lParam);
> 
> 

and/or

version( unicode )
{
    alias SendMessageW SendMessage;
}
else
{
     aliasm SendMessageA SendMessage;
}



>> this got the problem past the compiler, but generated an error during 
>> linkage.
>> At this stage I'm open for alternatives.
>> I'm trying to update a client window after my program processes WM_CHAR
>> messages. I was trying to use the SendMessage function to trigger 
>> WM_PAINT
>> events. Any help would be appreciated.
>> thanks, lee
>>
>>
>>