1SCDLL.DLL Coding info

[Rudi De Vos]

1SCDLL.def

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LIBRARY 1SCDLL
EXPORTS
    Start_server @1
    Stop_server @2

1SCDLL.h

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#ifdef MY1SCDLL_EXPORTS
#define MY1SCDLL_API __declspec(dllexport)
#else
#define MY1SCDLL_API __declspec(dllimport)
#endif

MY1SCDLL_API void Start_server(char *ID, char *repeater,char *direct,int port,char *passwd,bool proxy,char *classname,bool have_to_wait);
MY1SCDLL_API void Stop_server();

Import VC++

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typedef void ( *Start_server_fn)(char *,char *,char *,int,char *,bool,char *,bool);
typedef void ( *Stop_server_fn)(void);
Start_server_fn Start_server=NULL;
Stop_server_fn Stop_server=NULL;
HMODULE hDLL=NULL;

bool
ImportDLL_functions()
{
	hDLL = LoadLibrary ("1SCDLL.dll");
	if (!hDLL) return 0;
	Start_server = (Start_server_fn) GetProcAddress(hDLL,"Start_server");
	Stop_server = (Stop_server_fn) GetProcAddress(hDLL,"Stop_server");
	if (!Start_server || !Stop_server)
	{	
		// handle the error
		FreeLibrary(hDLL);
		return 0;		   
	}
	return 1;
}

void
Free_DLL_functions()
{
	if (hDLL)
		FreeLibrary(hDLL);
}

Messages
(dll -> application)

// WM_APP+1 disconnect
// WM_APP+2 waiting viewer
// WM_APP+3 connected
// WM_APP+4 disconnecting
// WM_APP+5 user press exit in tray
Dll code used to send message

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HWND temphwnd=FindWindow(CLASSNAME_CHAR,NULL);
			if (temphwnd)
				{
					SendMessage(temphwnd,WM_SYSCOMMAND,WM_APP+5,0);
				}

CLASSNAME_CHAR
Start_server(char *ID, char *repeater,char *direct,int port,char *passwd,bool proxy,char *classname,bool have_to_wait);

Your application need to receive the message in winproc

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BOOL CALLBACK WinProc(HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
  case WM_SYSCOMMAND:
					switch (LOWORD(wParam))
						{
							case WM_APP+1:

[RainerK]

Is it possible to receive the WM_APP+10 .. 14 to change a led?
(Msg WM_APP1 .. 5 is incoming)

[SilentButeo2]

Rudi,

I think my question is the same a that from RainerK, but i'm not sure.

Is it possible to receive the messages (logging, led(WM_APP+10,11,12,13,14), ...) from the SCDLL?
I'd like to capture the logging from the SCDLL to another window, but i can't find how to do it.
Is there any info on how the SCDLL sends messages to the IDD_DIALOG1?

In the code is see that:

1. the server is started
2. the "PcHelpWare Info" window (IDD_DIALOG1) is created.

If I first create the window and then start the server, the logging form the SCDLL is not seen anymore in the IDC_LIST1. So i can't see how the SCDLL sends its messages to that window. Any info about this would be great.

So basically it comes to:
How can i tell the SCDLL to send the messages to my window instead of the IDD_DIALOG1?

Keep up the good work. The software you are brewing is fantastic.

Kind regards,
SilentButeo2

[Rudi De Vos]

Not possible, no findwindow was used insite the dll.

Insite DLL

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g_hWnd_serv=CreateWindow(
			szWindowClass_serv,/* Pointer to registered class name */
			szTitle_serv,/* Pointer to window name */
			WS_OVERLAPPEDWINDOW,/* Window style */
			CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
			NULL,/* Handle to parent or owner window */
			NULL,/* Handle to menu or child-window identifier */
			g_hInstance_serv,/* Handle to application instance */
			NULL);/* Pointer to window-creation data */

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EditControl=CreateWindow ("EDIT", NULL,        WS_CHILD|WS_VISIBLE|WS_HSCROLL|WS_VSCROLL|ES_MULTILINE|ES_READONLY,0, 0, 0, 0, g_hWnd_serv, NULL, g_hInstance_serv, NULL);

//Logging is like this
SetWindowText(EditControl, txt);

[SilentButeo2]

Strange,

I can't figuring out how it is now working. Why is the logging printed in the "PcHelpWare Info" dialog? Can you explane this to me?

Secondly, is there maybe a special thrick in Start_my_server() that causes the window to "receive" the messages? Because the WM_SYSCOMMAND 's in DialogProc2() are send by the DLL and received by "PcHelpWare Info". So i think these messages can maybe received by another window?

Thanks Rudi