Here is the header to use with Version 7.00
#include <windows.h>
#define C_IMPORT extern "C" __declspec(dllimport)
const int ANCHOR_NONE = -1;
const int ANCHOR_LEFT = 0;//ANCHOR_NONE;
const int ANCHOR_WIDTH = 1;
const int ANCHOR_RIGHT = 2;
const int ANCHOR_CENTER_HORZ = 3;
const int ANCHOR_HEIGHT = 4;
const int ANCHOR_HEIGHT_WIDTH = 5;
const int ANCHOR_HEIGHT_RIGHT = 6;
const int ANCHOR_BOTTOM = 7;
const int ANCHOR_BOTTOM_WIDTH = 8;
const int ANCHOR_BOTTOM_RIGHT = 9;
const int ANCHOR_CENTER_HORZ_BOTTOM = 10;
const int ANCHOR_CENTER_VERT = 11;
const int ANCHOR_CENTER_VERT_RIGHT = 12;
const int ANCHOR_CENTER = 13;
const int ANCHOR_LAST = ANCHOR_CENTER;
const int SK_METRICFIRST = 0;
const int SK_CYCAPTION = SK_METRICFIRST;
const int SK_CYMENU = 1;
const int SK_CYSTATUS = 2;
const int SK_CXFRAMELEFT = 3;
const int SK_CXFRAMERIGHT = 4;
const int SK_CYFRAMETOP = SK_CYCAPTION;
const int SK_CYFRAMEBOTTOM = 5;
const int SK_CXSIZE = 6;
const int SK_CYSIZE = 7;
const int SK_CXSYSBUT = 8;
const int SK_CYSYSBUT = 9;
const int SK_CXCAPTEXT = 10;
const int SK_CYCAPTEXT = 11;
const int SK_XBUT3DBORDER = 12;
const int SK_YBUT3DBORDER = 13;
const int SK_CXSYSICON = 14;
const int SK_CYSYSICON = 15;
const int SK_CXSYSLED = 16;
const int SK_CYSYSLED = 17;
const int SK_TRANSLUCENCY = 18;
const int SK_MENUTRANSLUCENCY = 19;
const int SK_PAINT_BORDER = 20;
const int SK_PAINT_BACKGROUND = 21;
const int SK_ICONSIZE = 22;
const int SK_OUTER_GLOW = 23;
const int SK_SKIN_ICON = 24;
const int SK_DWM_AERO = 25;
const int SK_DWM_LEFT = 26;
const int SK_DWM_TOP = 27;
const int SK_DWM_RIGHT = 28;
const int SK_DWM_BOTTOM = 29;
const int SKMETRIC_UB = 30;
C_IMPORT HWND skPopupOwner (IN HWND hWnd);
C_IMPORT HFONT skCaptionFont ();
C_IMPORT HFONT skFont ();
C_IMPORT HFONT skFontBold ();
C_IMPORT HFONT skFontDlg ();
C_IMPORT LONG_PTR skCaptionFontPlus ();
C_IMPORT LONG_PTR skFontPlus ();
C_IMPORT LONG_PTR skFontBoldPlus ();
C_IMPORT LONG_PTR skFontDlgPlus ();
C_IMPORT void skSkinDisable (IN HWND hWnd);
C_IMPORT void skSetZorder (IN HWND hWnd, IN HWND UseOrder);
C_IMPORT HDC skGetHdcMemBmp (IN HWND hOwner);
C_IMPORT DWORD skARGB (IN BYTE A, IN BYTE R, IN BYTE G, IN BYTE B);
C_IMPORT void ComputeAspect (IN long xPic, IN long yPic, IN long xCell, IN long yCell, OUT long &xP, OUT long &yP, OUT long &xS, OUT long &yS);
C_IMPORT void skChildOffset (IN HWND hWnd, OUT long &ofX, OUT long &ofY);
C_IMPORT void skSetLabelFont (IN HWND hCtrl, IN WCHAR* zFontName, IN WORD nFontSize, IN long ARGBcolor, IN WORD nFontStyle, IN BOOL redraw);
C_IMPORT WCHAR* skVersion ();
C_IMPORT long skSetAnchorCtrl (IN HWND hWnd, IN long AnchorMode);
C_IMPORT long skUsingDWM ();
C_IMPORT WCHAR* skSkinFolder ();
C_IMPORT HWND skButImage (IN HWND hOwner, OUT HBITMAP hBitmap, IN long xLeft, IN long yLeft, IN long ButID);
C_IMPORT WCHAR* skAuthor ();
C_IMPORT HWND skBorder (IN HWND hWnd, IN long x, IN long y, IN long xW, IN long yH, IN long nID, IN long nBorder);
C_IMPORT void skSkinChildCtrl (IN HWND hWnd, IN long RedrawFlag);
C_IMPORT void skSkinEnable (IN HWND hWnd);
C_IMPORT void skRedrawMenuBar(IN HWND hWnd);
C_IMPORT HMENU skGetMenu (IN HWND hWnd);
C_IMPORT HWND skMenuContainer (IN HWND hWnd);
C_IMPORT void skSkinWindowUpdate (IN HWND hWnd, IN long RedrawFlag);
C_IMPORT long skSkinWindow (IN HWND hWnd, WCHAR* zSysButTip);
C_IMPORT HWND skCreateDW (IN HWND hParent);
C_IMPORT void skDestroyDW (OUT HWND &hDW);
C_IMPORT long skDialogAlert (IN WCHAR* zCaption, IN WCHAR* zMessage, IN WCHAR* zButton);
C_IMPORT long skDialogError (IN WCHAR* zCaption, IN WCHAR* zMessage, IN WCHAR* zButton);
C_IMPORT long skDialogInfo (IN WCHAR* zCaption, IN WCHAR* zMessage, IN WCHAR* zButton);
C_IMPORT long skDialogYesNo (IN WCHAR* zCaption, IN WCHAR* zMessage, IN WCHAR* zButton);
C_IMPORT WCHAR* skDialogInput (IN WCHAR* zCaption, IN WCHAR* zMessage, IN WCHAR* zButton);
C_IMPORT HWND skButtonImage (IN HWND hOwner, IN WCHAR* zFullpathImageName, IN long x, IN long y, IN long ButID, IN long StateMax);
C_IMPORT HWND skPushButtonImage (IN HWND hOwner, IN WCHAR* zFullpathImageName, IN WCHAR* zLabel, IN long x, IN long y, IN long xW, IN long yH, IN long ButID, IN long Alignment);
C_IMPORT void skSetToolTipText (IN HWND hObj, IN WCHAR* zText);
C_IMPORT WCHAR* skGetToolTipText (IN HWND hObj);
C_IMPORT HWND skCreateToolTip (IN HWND hObj, IN WCHAR* zText);
C_IMPORT void skRemoveToolTip (IN HWND hObj);
C_IMPORT HWND skClockCtrl (IN HWND hOwner, IN WCHAR* zFullpathImageName, IN long x, IN long y, IN long w, IN long h, IN long nID, IN long ARGB1, IN long ARGB2, IN long GMT);
C_IMPORT long skComputeAngleFromPoint(IN HWND hWnd, IN long mX, IN long mY);
C_IMPORT void skGaugeSetMinMax (IN HWND hCtrl, IN long nMin, IN long nMax);
C_IMPORT void skGaugeGetMinMax (IN HWND hCtrl, OUT long &nMin, OUT long &nMax);
C_IMPORT void skGaugeSetPos (IN HWND hCtrl, IN long nPos, IN long RedrawFlag);
C_IMPORT long skGaugeGetPos (IN HWND hCtrl);
C_IMPORT HWND skKnobGauge (IN HWND hOwner, IN WCHAR* zFullpathImageName, IN long x, IN long y, IN long w, IN long h, IN long ButID, IN long MinValue, IN long MaxValue, IN long UsePos, IN long StateMax);
C_IMPORT HWND skStaticImage (IN HWND hOwner, WCHAR* zFullpathImageName, IN long x, IN long y, IN long w, IN long h, IN long nID);
//C_IMPORT HWND skGetDWMregion (IN HWND hWnd);
C_IMPORT long skGetSystemMetrics (IN long nMeasure);
C_IMPORT HBITMAP skSkiToDib (IN WCHAR* szFile, OUT long &nReserved);
C_IMPORT long skTerminateProcess (IN WCHAR* szModule);
C_IMPORT void skPaintBrushBitmap (IN HDC hDC, IN long x, IN long y, IN long nWidth, IN long nHeight, IN DWORD ARGBcolor);
C_IMPORT HWND skTrackbar (IN HWND hOwner, IN WCHAR* zFullpathImageName, IN long x, IN long y, IN long tW, IN long tH, IN long ButID, IN long tMin, IN long tMax, IN long tVal, IN long ARGBcolor);
C_IMPORT long skGetTrackValue(IN HWND hWnd);
C_IMPORT void skSetTrackValue(IN HWND hWnd, IN long tVal);
C_IMPORT void skSetLabelColor (IN HWND hCtrl, IN long ARGBcolor);
C_IMPORT long skDoNotSkinPopupMenu (IN long nOnOff, IN long RW);
C_IMPORT void skMaximize(IN HWND hWnd); // 06-25-2015
C_IMPORT void skRestore(IN HWND hWnd); // 06-25-2015
C_IMPORT void skRestoreCaption(IN HWND hWnd, IN BOOL nBool); // 01-01-2017
C_IMPORT void skSetTrackRange(IN HWND hWnd, IN long tMin, IN long tMax); // 09-09-2017
C_IMPORT void skGetTrackRange(IN HWND hWnd, OUT long &tMin, OUT long &tMax); // 09-09-2017
C_IMPORT long skGetSysColor(IN long nC); // 09-09-2017
C_IMPORT HWND skLabel(IN HWND hOwner, IN WCHAR* zFullpathBackground, IN WCHAR* zLabel, IN long x, IN long y, IN long xW, IN long yH, IN long ButID, IN long Alignment); // 09-12-2017
C_IMPORT LONG_PTR skGetLabelFont(IN HWND hCtrl); // 2017-09-13
C_IMPORT HBITMAP SkGetSbVertBitmap();
C_IMPORT HBITMAP SkGetSbHorzBitmap();
C_IMPORT HBITMAP SkGetSbPictoBitmap();
C_IMPORT void skPaintButton(IN HDC hDC, IN long nB, IN HBITMAP hBmp, IN long nX, IN long nY, IN long xWidth, IN long yHeight);
C_IMPORT void DrawPicto(IN HDC hDC, IN long nB, IN long nX, IN long nY, IN long xWidth, IN long yHeight);
C_IMPORT void skSetSystemMetrics(IN long nMeasure, IN long UseValue);
C_IMPORT void skRedrawNcArea(IN HWND hWnd);
// 08-31-2023 Version 6.00
C_IMPORT long skMinTrackSizeX(HWND hWnd);
C_IMPORT long skMinTrackSizeY(HWND hWnd);
C_IMPORT long skInitEngine (IN WCHAR* zSkinFile, IN WCHAR* zUserKey);
C_IMPORT long skUseThisBackground(IN HWND hWnd, IN WCHAR* zItem);
C_IMPORT void skGetClientSize(IN HWND hWnd, OUT long &xClient, OUT long &yClient, OUT long &ClientWidth, OUT long &ClientHeight);
const int AT_TOP = 1;
const int AT_LEFT = 2;
const int AT_RIGHT = 4;
const int AT_BOTTOM = 8;
const int AT_TOPLEFT = 3;
const int AT_TOPRIGHT = 5;
const int AT_BOTTOMLEFT = 10;
const int AT_BOTTOMRIGHT = 12;
const int AT_ALL = 15;
const int DOCK_TOP = 256;
const int DOCK_LEFT = 512;
const int DOCK_RIGHT = 1024;
const int DOCK_BOTTOM = 2048;
const int DOCK_FILL = 3840;
const int CANCELMODE = -1;
const int ANCHORMODE = 32;
const int HOMOTHETIC = 64;
C_IMPORT BOOL skAnchorInit(HWND hWnd);
//C_IMPORT BOOL skHomotheticResize(HWND hWnd, BOOL bRepaint);
C_IMPORT BOOL skAnchorResize(HWND hWnd, BOOL bRepaint);
C_IMPORT BOOL skAnchorID(HWND hWnd, UINT uID, UINT uFlag);
C_IMPORT BOOL skAnchorRemoveAll(HWND hWnd);
C_IMPORT long skUseAnchorMode(HWND hWnd, IN long UseMode);
C_IMPORT void skSetListViewImage(WCHAR* FullPathName, long ReadWriteFlag);
C_IMPORT void skSetToolBarImage(WCHAR* FullPathName, long ReadWriteFlag);
C_IMPORT void skGetWindowSize(IN HWND hWnd, OUT long &x, OUT long &y, OUT long &WindowWidth, OUT long &WindowHeight);
C_IMPORT BOOL skSkinChange(IN WCHAR* zSkinFile);
