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| #include "main.h"
HANDLE hPort=INVALID_HANDLE_VALUE;
int CreatePort(const char* name)
{
hPort=CreateFile(name, GENERIC_READ|GENERIC_WRITE,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL); //для асинхронного режима
if(hPort==INVALID_HANDLE_VALUE)
{
DWORD dwError;
dwError=GetLastError();
return dwError;
}
return 0;
}
BOOL WINAPI ChildWndProc (HWND Childhwnd,UINT ChilduMsg,WPARAM Childwpar,LPARAM Childlpar)
{
static HWND hComb;
switch (ChilduMsg)
{
case WM_INITDIALOG:
{
char COMmas[6], COMnum[3]; //массив для полного названия ком-порта с номером
hComb=GetDlgItem(Childhwnd,IDC_COMBO11);
SendMessage (hComb,CB_RESETCONTENT,0,0);
int count=1;
SendMessage(hComb,CB_ADDSTRING,0,(LPARAM)"Select COM port");
for (int i=1;i<99;i++)
{
strcpy_s(COMmas,"COM");
_itoa_s(i,COMnum,10);
strcat_s(COMmas,COMnum);
int Res=CreatePort(COMmas);
if (Res==5)
strcat_s(COMmas,"*");
if(Res==0 || Res==5)
{
SendMessage(hComb,CB_ADDSTRING,0,(LPARAM)COMmas);
SendMessage(hComb,CB_SETITEMDATA,count,(LPARAM)i);
count++;
if(Res==0) CloseHandle(hPort);
}
}
SendMessage(hComb,CB_SETCURSEL,0,0);
break;
}
case WM_CLOSE:
{
EndDialog (Childhwnd,LOWORD (Childwpar));
return TRUE;
}
case WM_COMMAND:
{
switch(LOWORD(Childwpar))
{
case IDC_COMBO11:
{
if(HIWORD(Childwpar)==CBN_SELENDOK) //выбор элемента списка
{
char COMmas[8], COMnum[3];
int index;
char cFindmas[7]="Select";
index=SendDlgItemMessage(Childhwnd,IDC_COMBO11,CB_GETCURSEL,0,0);
index=SendDlgItemMessage(Childhwnd,IDC_COMBO11,CB_GETITEMDATA,index,0);
if (index >0)
{
int ind=SendMessage(hComb,CB_FINDSTRING,0,(LPARAM)cFindmas);
if (ind!=CB_ERR)
SendMessage(hComb,CB_DELETESTRING,0,0);
}
else
break;
if(hPort!=INVALID_HANDLE_VALUE)
{
CloseHandle(hPort); hPort = INVALID_HANDLE_VALUE;
}
strcpy_s(COMmas,"COM");
_itoa_s(index,COMnum,10);
strcat_s(COMmas,COMnum);
if(!CreatePort(COMmas))
{
ComPortTimeOut();
ComPortSettings();
}
}
break;
}
case IDC_CLOSE:
{
EndDialog(Childhwnd,NULL);
return TRUE;
}
}
}
return TRUE;
}
return FALSE;
} |
(
