Function EnumChildGetText

source/script2.cpp:3075–3102

BOOL CALLBACK EnumChildGetText(HWND aWnd, LPARAM lParam)
{
	if (!g->DetectHiddenText && !IsWindowVisible(aWnd))
		return TRUE;  // This child/control is hidden and user doesn't want it considered, so skip it.
	length_and_buf_type &lab = *(length_and_buf_type *)lParam;  // For performance and convenience.
	int length;
	if (lab.buf)
		length = GetWindowTextTimeout(aWnd, lab.buf + lab.total_length
			, (int)(lab.capacity - lab.total_length)); // Not +1.  Verified correct because WM_GETTEXT accepts size of buffer, not its length.
	else
		length = GetWindowTextTimeout(aWnd);
	lab.total_length += length;
	if (length)
	{
		if (lab.buf)
		{
			if (lab.capacity - lab.total_length > 2) // Must be >2 due to zero terminator.
			{
				_tcscpy(lab.buf + lab.total_length, _T("\r\n")); // Something to delimit each control's text.
				lab.total_length += 2;
			}
			// else don't increment total_length
		}
		else
			lab.total_length += 2; // Since buf is NULL, accumulate the size that *would* be needed.
	}
	return TRUE; // Continue enumeration through all the child windows of this parent.
}