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[EXPLORER] -Remove the old way that the start button was painted. Keep some very simple fallback code in case the text couldn't be loaded or when the optimal size can't be determined.
svn path=/trunk/; revision=74159
This commit is contained in:
Giannis Adamopoulos
parent
7eee4d8436
commit
9c8343f170
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@ -105,254 +105,37 @@ public:
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if (m_ImageList == NULL ||
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!SendMessageW(BCM_GETIDEALSIZE, 0, (LPARAM) &Size))
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{
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Size.cx = 2 * GetSystemMetrics(SM_CXEDGE);
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Size.cy = 2 * GetSystemMetrics(SM_CYEDGE);
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if (hbmStart == NULL)
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{
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hbmStart = (HBITMAP) SendMessageW(BM_GETIMAGE, IMAGE_BITMAP, 0);
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}
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if (hbmStart != NULL)
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{
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BITMAP bmp;
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if (GetObject(hbmStart, sizeof(bmp), &bmp) != 0)
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{
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Size.cx += bmp.bmWidth;
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Size.cy += max(bmp.bmHeight, GetSystemMetrics(SM_CYCAPTION));
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}
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else
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{
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/* Huh?! Shouldn't happen... */
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goto DefSize;
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}
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}
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else
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{
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DefSize:
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Size.cx += GetSystemMetrics(SM_CXMINIMIZED);
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Size.cy += GetSystemMetrics(SM_CYCAPTION);
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}
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Size.cx = 2 * GetSystemMetrics(SM_CXEDGE) + GetSystemMetrics(SM_CYCAPTION) * 3;
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Size.cy = 2 * GetSystemMetrics(SM_CYEDGE) + GetSystemMetrics(SM_CYCAPTION);
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}
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/* Save the size of the start button */
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m_Size = Size;
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}
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BOOL CreateImageList()
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{
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HICON hIconStart;
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SIZE IconSize;
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if (m_ImageList != NULL)
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return TRUE;
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IconSize.cx = GetSystemMetrics(SM_CXSMICON);
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IconSize.cy = GetSystemMetrics(SM_CYSMICON);
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/* Load the start button icon and create a image list for it */
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hIconStart = (HICON) LoadImageW(hExplorerInstance,
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MAKEINTRESOURCEW(IDI_START),
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IMAGE_ICON,
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IconSize.cx,
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IconSize.cy,
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LR_SHARED | LR_DEFAULTCOLOR);
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if (hIconStart == NULL)
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return FALSE;
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m_ImageList = ImageList_Create(IconSize.cx,
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IconSize.cy,
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ILC_COLOR32 | ILC_MASK,
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1, 1);
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if (m_ImageList == NULL)
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return FALSE;
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int s = ImageList_ReplaceIcon(m_ImageList, -1, hIconStart);
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if (s < 0)
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{
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/* Failed to add the icon! */
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ImageList_Destroy(m_ImageList);
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m_ImageList = NULL;
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return FALSE;
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}
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return TRUE;
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}
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HBITMAP CreateBitmap()
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{
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WCHAR szStartCaption[32];
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HFONT hFontOld;
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HDC hDC = NULL;
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HDC hDCScreen = NULL;
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SIZE Size, SmallIcon;
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HBITMAP hbmpOld, hbmp = NULL;
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HBITMAP hBitmap = NULL;
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HICON hIconStart;
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BOOL Ret;
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UINT Flags;
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RECT rcButton;
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/* NOTE: this is the backwards compatibility code that is used if the
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Common Controls Version 6.0 are not available! */
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if (!LoadStringW(hExplorerInstance,
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IDS_START,
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szStartCaption,
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_countof(szStartCaption)))
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{
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return NULL;
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}
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/* Load the start button icon */
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SmallIcon.cx = GetSystemMetrics(SM_CXSMICON);
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SmallIcon.cy = GetSystemMetrics(SM_CYSMICON);
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hIconStart = (HICON) LoadImageW(hExplorerInstance,
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MAKEINTRESOURCEW(IDI_START),
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IMAGE_ICON,
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SmallIcon.cx,
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SmallIcon.cy,
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LR_SHARED | LR_DEFAULTCOLOR);
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hDCScreen = ::GetDC(NULL);
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if (hDCScreen == NULL)
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goto Cleanup;
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hDC = CreateCompatibleDC(hDCScreen);
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if (hDC == NULL)
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goto Cleanup;
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hFontOld = (HFONT) SelectObject(hDC, m_Font);
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Ret = GetTextExtentPoint32(hDC,
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szStartCaption,
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wcslen(szStartCaption),
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&Size);
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SelectObject(hDC, hFontOld);
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if (!Ret)
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goto Cleanup;
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/* Make sure the height is at least the size of a caption icon. */
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if (hIconStart != NULL)
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Size.cx += SmallIcon.cx + 4;
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Size.cy = max(Size.cy, SmallIcon.cy);
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/* Create the bitmap */
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hbmp = CreateCompatibleBitmap(hDCScreen,
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Size.cx,
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Size.cy);
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if (hbmp == NULL)
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goto Cleanup;
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/* Calculate the button rect */
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rcButton.left = 0;
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rcButton.top = 0;
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rcButton.right = Size.cx;
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rcButton.bottom = Size.cy;
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/* Draw the button */
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hbmpOld = (HBITMAP) SelectObject(hDC, hbmp);
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Flags = DC_TEXT | DC_INBUTTON;
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if (hIconStart != NULL)
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Flags |= DC_ICON;
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Ret = DrawCaptionTemp(NULL,
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hDC,
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&rcButton,
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m_Font,
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hIconStart,
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szStartCaption,
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Flags);
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SelectObject(hDC, hbmpOld);
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if (!Ret)
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goto Cleanup;
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/* We successfully created the bitmap! */
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hBitmap = hbmp;
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hbmp = NULL;
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Cleanup:
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if (hDCScreen != NULL)
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{
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::ReleaseDC(NULL, hDCScreen);
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}
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if (hbmp != NULL)
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DeleteObject(hbmp);
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if (hDC != NULL)
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DeleteDC(hDC);
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return hBitmap;
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}
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VOID Initialize()
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{
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NONCLIENTMETRICS ncm;
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SetWindowTheme(m_hWnd, L"Start", NULL);
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if (m_Font == NULL)
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/* Get the system fonts, we use the caption font, always bold, though. */
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NONCLIENTMETRICS ncm {sizeof(ncm)};
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if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, FALSE))
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{
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/* Get the system fonts, we use the caption font, always bold, though. */
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ncm.cbSize = sizeof(ncm);
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if (SystemParametersInfoW(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, FALSE))
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{
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ncm.lfCaptionFont.lfWeight = FW_BOLD;
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m_Font = CreateFontIndirect(&ncm.lfCaptionFont);
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}
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ncm.lfCaptionFont.lfWeight = FW_BOLD;
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m_Font = CreateFontIndirect(&ncm.lfCaptionFont);
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}
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SetFont(m_Font, FALSE);
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if (CreateImageList())
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{
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BUTTON_IMAGELIST bil;
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m_ImageList = ImageList_LoadImageW(hExplorerInstance,
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MAKEINTRESOURCEW(IDB_START),
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0, 0, 0,
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IMAGE_BITMAP,
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LR_LOADTRANSPARENT | LR_CREATEDIBSECTION);
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/* Try to set the start button image. this requires the Common
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Controls 6.0 to be present (XP and later) */
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bil.himl = m_ImageList;
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bil.margin.left = bil.margin.right = 1;
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bil.margin.top = bil.margin.bottom = 1;
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bil.uAlign = BUTTON_IMAGELIST_ALIGN_LEFT;
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if (SendMessageW(BCM_SETIMAGELIST, 0, (LPARAM) &bil))
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{
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SIZE Size = { 0, 0 };
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if (SendMessageW(BCM_GETIDEALSIZE, 0, (LPARAM) &Size))
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{
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/* We're using the image list, remove the BS_BITMAP style and
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don't center it horizontally */
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SetWindowStyle(m_hWnd, BS_BITMAP | BS_RIGHT, 0);
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UpdateSize();
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return;
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}
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}
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/* Fall back to the deprecated method on older systems that don't
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support Common Controls 6.0 */
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ImageList_Destroy(m_ImageList);
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m_ImageList = NULL;
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}
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HBITMAP hbmStart = CreateBitmap();
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if (hbmStart != NULL)
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{
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UpdateSize(hbmStart);
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HBITMAP hbmOld = (HBITMAP) SendMessageW(BM_SETIMAGE, IMAGE_BITMAP, (LPARAM) hbmStart);
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if (hbmOld != NULL)
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DeleteObject(hbmOld);
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}
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BUTTON_IMAGELIST bil = {m_ImageList, {1,1,1,1}, BUTTON_IMAGELIST_ALIGN_LEFT};
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SendMessageW(BCM_SETIMAGELIST, 0, (LPARAM) &bil);
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UpdateSize();
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}
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HWND Create(HWND hwndParent)
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@ -363,10 +146,10 @@ Cleanup:
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szStartCaption,
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_countof(szStartCaption)))
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{
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szStartCaption[0] = L'\0';
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wcscpy(szStartCaption, L"Start");
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}
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DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | BS_PUSHBUTTON | BS_CENTER | BS_VCENTER | BS_BITMAP;
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DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | BS_PUSHBUTTON | BS_LEFT | BS_VCENTER;
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m_hWnd = CreateWindowEx(
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0,
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