//枚举所有串口
HKEY hKey;
LPCTSTR data_set = "HARDWARE\\DEVICEMAP\\SERIALCOMM\\";
long retopen = (::RegOpenKeyEx(HKEY_LOCAL_MACHINE,data_set,0,KEY_READ,&hKey));
if(retopen != ERROR_SUCCESS)
{
DWORD err = GetLastError();
CString str;
str.Format(_T("%d"),err);
MessageBox(str);
return FALSE;
}
DWORD dinx = 0;
char valuename[70];
strcpy(valuename,"COM*");
DWORD nsize = 69;
DWORD k= REG_SZ;
unsigned char vari[70];
DWORD ncbvari = 69;
//串口名称保存在vari中
while(RegEnumValue(hKey,dinx,valuename,&nsize,NULL,&k,vari,&ncbvari) != ERROR_NO_MORE_ITEMS)
{
m_ctrlPort.AddString((LPCTSTR)vari); //加载到下拉框中
dinx++;
nsize = 69;
ncbvari = 69;
}
RegCloseKey(hKey);
if(!dinx)
{
MessageBox("不存在任何串口!");
CDialog::OnCancel();
}
else m_ctrlPort.SetCurSel(0);
HKEY hKey;
LPCTSTR data_set = "HARDWARE\\DEVICEMAP\\SERIALCOMM\\";
long retopen = (::RegOpenKeyEx(HKEY_LOCAL_MACHINE,data_set,0,KEY_READ,&hKey));
if(retopen != ERROR_SUCCESS)
{
DWORD err = GetLastError();
CString str;
str.Format(_T("%d"),err);
MessageBox(str);
return FALSE;
}
DWORD dinx = 0;
char valuename[70];
strcpy(valuename,"COM*");
DWORD nsize = 69;
DWORD k= REG_SZ;
unsigned char vari[70];
DWORD ncbvari = 69;
//串口名称保存在vari中
while(RegEnumValue(hKey,dinx,valuename,&nsize,NULL,&k,vari,&ncbvari) != ERROR_NO_MORE_ITEMS)
{
m_ctrlPort.AddString((LPCTSTR)vari); //加载到下拉框中
dinx++;
nsize = 69;
ncbvari = 69;
}
RegCloseKey(hKey);
if(!dinx)
{
MessageBox("不存在任何串口!");
CDialog::OnCancel();
}
else m_ctrlPort.SetCurSel(0);