winlogon登录对话框user32!sldrawtext显示星号

winlogon登录对话框user32!sldrawtext

第二部分：位置

srv03rtm/windows/core/ntuser/client/editsl.c

第三部分：

/***************************************************************************\
* SLChar AorW
*
* Handles character input
*
* History:
\***************************************************************************/

void SLChar(
    PED ped,
    DWORD keyValue)
{

    if (updateText) {

        /*
         * Dirty flag (ped->fDirty) was set when we inserted text
         */
        ECNotifyParent(ped, EN_UPDATE);
        hdc = ECGetEditDC(ped, FALSE);
        if (!SLScrollText(ped, hdc)) {
            if (ped->format == ES_LEFT) {
            //
            // Call SLDrawText with correct ichStart
            //
                SLDrawText(ped, hdc, max(0, (int)(ped->ichCaret - InsertTextLen - ped->wMaxNegCcharPos)));
            } else {
                /*
                 * We can't just draw from ichStart because string may have
                 * shifted because of alignment.
                 */
                SLDrawText(ped, hdc, 0);
            }
        }
        ECReleaseEditDC(ped, hdc, FALSE);
        ECNotifyParent(ped, EN_CHANGE);

        NotifyWinEvent(EVENT_OBJECT_VALUECHANGE, ped->hwnd, OBJID_CLIENT, INDEXID_CONTAINER);
    }
}