Set static text color Win32

Question

I am making a dll that controls a dialogue box. I like to get a certain area to have red text. This code does compile, but the effect is not seen. Here is the area where the dialogProc is done:

LRESULT CALLBACK DialogProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
    switch(message)
    {
    case WM_INITDIALOG:  
     CheckDlgButton(hDlg, IDC_CHECK, FALSE);
     EnableWindow(GetDlgItem(hDlg, IDOK), FALSE);
     return TRUE;

    case WM_COMMAND:
     switch (LOWORD(wParam))
     {
     case IDC_CHECK:
      if (IsDlgButtonChecked(hDlg, IDC_CHECK))
      {
       EnableWindow(GetDlgItem(hDlg, IDOK), TRUE);
       EnableWindow(GetDlgItem(hDlg, IDCANCEL), FALSE);
      }
      else
      {
       EnableWindow(GetDlgItem(hDlg, IDOK), FALSE);
       EnableWindow(GetDlgItem(hDlg, IDCANCEL), TRUE);
      }
      break;
     case IDOK:
      {   
       EndDialog(hDlg, TRUE);
       return FALSE;
      }
     case IDCANCEL:
      {    
       EndDialog(hDlg, FALSE);
       return FALSE;
      }
     case WM_CTLCOLORSTATIC:
      // Set the colour of the text for our URL
      if ((HWND)lParam == GetDlgItem(hDlg,IDC_WARNING)) 
      {
       // we're about to draw the static
       // set the text colour in (HDC)lParam
       SetBkMode((HDC)wParam,TRANSPARENT);
       SetTextColor((HDC)wParam, RGB(255,0,0));
       return (BOOL)CreateSolidBrush (GetSysColor(COLOR_MENU));
      }
    return TRUE;
     }
    }
    return FALSE;
}

Answer 1

WM_CTLCOLORSTATIC is a separate message from WM_COMMAND. Your desired handling of the message appears to be correct except that the check for the message is inside your check for WM_COMMAND specific items. Try reorganizing your outer switch statement. Perhaps something like the following:

LRESULT CALLBACK DialogProc(HWND hDlg, UINT message, 
                            WPARAM wParam, LPARAM lParam)
{
    switch(message)
    {
    case WM_INITDIALOG:         
        // ...
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case IDC_CHECK:
            // ...
            break;
        case IDOK:
            // ...
            break;
        case IDCANCEL:
            // ...
            break;
        }
        break;
    case WM_CTLCOLORSTATIC:
        // Set the colour of the text for our URL
        if ((HWND)lParam == GetDlgItem(hDlg, IDC_WARNING)) 
        {
                // we're about to draw the static
                // set the text colour in (HDC)lParam
                SetBkMode((HDC)wParam,TRANSPARENT);
                SetTextColor((HDC)wParam, RGB(255,0,0));
                return (BOOL)CreateSolidBrush (GetSysColor(COLOR_MENU));
        }
        break;
    }
    return FALSE;
}

Also note that it would be kinda weird to filter WM_COMMAND's wParam argument when wParam is supposed to provide the HDC for WM_CTLCOLORSTATIC.

WM_CTLCOLORSTATIC Notification at MSDN