1struct Win32
  2        {
  3        public const string TOOLBARCLASSNAME = "ToolbarWindow32";
  4
  5        public const int WS_CHILD = 0x40000000;
  6        public const int WS_VISIBLE = 0x10000000;
  7        public const int WS_CLIPCHILDREN = 0x2000000;
  8        public const int WS_CLIPSIBLINGS = 0x4000000;
  9        public const int WS_BORDER = 0x800000;
 10    
 11        public const int CCS_NODIVIDER = 0x40;
 12        public const int CCS_NORESIZE = 0x4;
 13        public const int CCS_NOPARENTALIGN = 0x8;
 14
 15        public const int I_IMAGECALLBACK = -1;
 16        public const int I_IMAGENONE = -2;
 17
 18        public const int TBSTYLE_TOOLTIPS = 0x100;
 19        public const int TBSTYLE_FLAT = 0x800;
 20        public const int TBSTYLE_LIST = 0x1000;
 21        public const int TBSTYLE_TRANSPARENT = 0x8000;
 22
 23        public const int TBSTYLE_EX_DRAWDDARROWS = 0x1;
 24        public const int TBSTYLE_EX_HIDECLIPPEDBUTTONS = 0x10;
 25        public const int TBSTYLE_EX_DOUBLEBUFFER = 0x80;
 26    
 27        public const int CDRF_DODEFAULT = 0x0;
 28        public const int CDRF_SKIPDEFAULT = 0x4;
 29        public const int CDRF_NOTIFYITEMDRAW = 0x20;
 30        public const int CDDS_PREPAINT = 0x1;
 31        public const int CDDS_ITEM = 0x10000;
 32        public const int CDDS_ITEMPREPAINT = CDDS_ITEM | CDDS_PREPAINT;
 33
 34        public const int CDIS_HOT = 0x40;
 35        public const int CDIS_SELECTED = 0x1;
 36        public const int CDIS_DISABLED = 0x4;
 37    
 38        public const int WM_SETREDRAW = 0x000B;
 39        public const int WM_CANCELMODE = 0x001F;
 40        public const int WM_NOTIFY = 0x4e;
 41        public const int WM_KEYDOWN = 0x100;
 42        public const int WM_KEYUP = 0x101;
 43        public const int WM_CHAR = 0x0102;
 44        public const int WM_SYSKEYDOWN = 0x104;
 45        public const int WM_SYSKEYUP = 0x105;
 46        public const int WM_COMMAND = 0x111;
 47        public const int WM_MENUCHAR = 0x120;
 48        public const int WM_MOUSEMOVE = 0x200;
 49        public const int WM_LBUTTONDOWN = 0x201;
 50        public const int WM_MOUSELAST = 0x20a;
 51        public const int WM_USER = 0x0400;
 52        public const int WM_REFLECT = WM_USER + 0x1c00;
 53
 54        public const int NM_CUSTOMDRAW = -12;    
 55
 56        public const int TTN_NEEDTEXTA = ((0-520)-0);
 57        public const int TTN_NEEDTEXTW = ((0-520)-10);
 58
 59        public const int TBN_QUERYINSERT = ((0-700)-6);
 60        public const int TBN_DROPDOWN = ((0-700)-10);
 61        public const int TBN_HOTITEMCHANGE = ((0 - 700) - 13);
 62
 63        public const int TBIF_IMAGE = 0x1;
 64        public const int TBIF_TEXT = 0x2;
 65        public const int TBIF_STATE = 0x4;
 66        public const int TBIF_STYLE = 0x8;
 67        public const int TBIF_COMMAND = 0x20;
 68
 69        public const int MNC_EXECUTE = 2;
 70
 71        [StructLayout(LayoutKind.Sequential, Pack = 1)]
 72        public class INITCOMMONCONTROLSEX 
 73            {
 74            public int dwSize = 8;
 75            public int dwICC;
 76            }
 77
 78        public const int ICC_BAR_CLASSES = 4;
 79        public const int ICC_COOL_CLASSES = 0x400;
 80
 81        [DllImport("comctl32.dll")]
 82        public static extern bool InitCommonControlsEx(INITCOMMONCONTROLSEX icc);
 83
 84        [StructLayout(LayoutKind.Sequential)]
 85        public struct POINT
 86            {
 87            public int x;
 88            public int y;
 89            }
 90
 91        [StructLayout(LayoutKind.Sequential)]
 92        public struct RECT
 93            {
 94            public int left;
 95            public int top;
 96            public int right;
 97            public int bottom;
 98            }
 99
100        [StructLayout(LayoutKind.Sequential)]
101        public struct NMHDR
102            {
103            public IntPtr hwndFrom;
104            public int idFrom;
105            public int code;
106            }
107
108        [StructLayout(LayoutKind.Sequential)]
109        public struct NMTOOLBAR
110            {
111            public NMHDR hdr;
112            public int iItem;
113            public TBBUTTON tbButton;
114            public int cchText;
115            public IntPtr pszText;
116            }
117    
118        [StructLayout(LayoutKind.Sequential)]
119        public struct NMCUSTOMDRAW
120            {
121            public NMHDR hdr;
122            public int dwDrawStage;
123            public IntPtr hdc;
124            public RECT rc;
125            public int dwItemSpec;
126            public int uItemState;
127            public int lItemlParam;
128            }
129    
130        [StructLayout(LayoutKind.Sequential)]
131        public struct LPNMTBCUSTOMDRAW
132            {
133            public NMCUSTOMDRAW nmcd;
134            public IntPtr hbrMonoDither;
135            public IntPtr hbrLines;
136            public IntPtr hpenLines;
137            public int clrText;
138            public int clrMark;
139            public int clrTextHighlight;
140            public int clrBtnFace;
141            public int clrBtnHighlight;
142            public int clrHighlightHotTrack;
143            public RECT rcText;
144            public int nStringBkMode;
145            public int nHLStringBkMode;
146            }
147
148        public const int TTF_RTLREADING = 0x0004;
149    
150        [StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
151        public struct TOOLTIPTEXT
152            {
153            public NMHDR hdr;
154            public IntPtr lpszText;
155            [MarshalAs(UnmanagedType.ByValTStr, SizeConst=80)]
156            public string szText;
157            public IntPtr hinst;
158            public int uFlags;
159            }
160
161        [StructLayout(LayoutKind.Sequential, CharSet=CharSet.Ansi)]
162        public struct TOOLTIPTEXTA
163            {
164            public NMHDR hdr;
165            public IntPtr lpszText;
166            [MarshalAs(UnmanagedType.ByValTStr, SizeConst=80)]
167            public string szText;
168            public IntPtr hinst;
169            public int uFlags;
170            }
171
172        public const int TB_PRESSBUTTON = WM_USER + 3;    
173        public const int TB_INSERTBUTTON = WM_USER + 21;
174        public const int TB_BUTTONCOUNT = WM_USER + 24;
175        public const int TB_GETITEMRECT = WM_USER + 29;
176        public const int TB_BUTTONSTRUCTSIZE = WM_USER + 30;    
177        public const int TB_SETBUTTONSIZE = WM_USER + 32;
178        public const int TB_SETIMAGELIST = WM_USER + 48;
179        public const int TB_GETRECT = WM_USER + 51;
180        public const int TB_SETBUTTONINFO = WM_USER + 64;
181        public const int TB_HITTEST = WM_USER +69;
182        public const int TB_GETHOTITEM = WM_USER + 71;
183        public const int TB_SETHOTITEM = WM_USER + 72;
184        public const int TB_SETEXTENDEDSTYLE = WM_USER + 84;
185
186        public const int TBSTATE_CHECKED = 0x01;
187        public const int TBSTATE_ENABLED = 0x04;
188        public const int TBSTATE_HIDDEN = 0x08;
189    
190        public const int BTNS_BUTTON = 0;
191        public const int BTNS_SEP = 0x1;
192        public const int BTNS_DROPDOWN = 0x8;    
193        public const int BTNS_AUTOSIZE = 0x10;
194        public const int BTNS_WHOLEDROPDOWN = 0x80;
195
196        [StructLayout(LayoutKind.Sequential, Pack=1)]
197        public struct TBBUTTON 
198            {
199            public int iBitmap;
200            public int idCommand;
201            public byte fsState;
202            public byte fsStyle;
203            public byte bReserved0;
204            public byte bReserved1;
205            public int dwData;
206            public int iString;
207            }
208
209        [StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
210        public struct TBBUTTONINFO
211            {
212            public int cbSize;
213            public int dwMask;
214            public int idCommand;
215            public int iImage;
216            public byte fsState;
217            public byte fsStyle;
218            public short cx;
219            public IntPtr lParam;
220            public IntPtr pszText;
221            public int cchText;
222            }
223
224        [DllImport("user32.dll", ExactSpelling=true, CharSet=CharSet.Auto)]
225        public static extern IntPtr GetParent(IntPtr hWnd);
226
227        [DllImport("user32.dll", CharSet=CharSet.Auto)]
228        public static extern int SendMessage(IntPtr hWnd, int msg, int wParam, int lParam);
229
230        [DllImport("user32.dll", CharSet=CharSet.Auto)]
231        public static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, IntPtr lParam);
232
233        [DllImport("user32.dll", CharSet=CharSet.Auto)]
234        public static extern void SendMessage(IntPtr hWnd, int msg, int wParam, ref RECT lParam);
235
236        [DllImport("user32.dll", CharSet=CharSet.Auto)]
237        public static extern int SendMessage(IntPtr hWnd, int msg, int wParam, ref POINT lParam);
238
239        [DllImport("user32.dll", CharSet=CharSet.Auto)]
240        public static extern void SendMessage(IntPtr hWnd, int msg, int wParam, ref TBBUTTON lParam);
241    
242        [DllImport("user32.dll", CharSet=CharSet.Auto)]
243        public static extern void SendMessage(IntPtr hWnd, int msg, int wParam, ref TBBUTTONINFO lParam);
244
245        [DllImport("user32.dll", CharSet=CharSet.Auto)]
246        public static extern void SendMessage(IntPtr hWnd, int msg, int wParam, ref REBARBANDINFO lParam);
247    
248        [DllImport("user32.dll", CharSet=CharSet.Auto)]
249        public static extern IntPtr PostMessage(IntPtr hWnd, int msg, int wParam, int lParam);
250    
251        [DllImport("kernel32.dll", ExactSpelling=true, CharSet=CharSet.Auto)]
252        public static extern int GetCurrentThreadId();
253
254        public delegate IntPtr HookProc(int nCode, IntPtr wParam, IntPtr lParam);
255    
256        public const int WH_MSGFILTER = -1;
257        public const int MSGF_MENU = 2;
258        
259        [DllImport("user32.dll", CharSet=CharSet.Auto)]
260        public static extern IntPtr SetWindowsHookEx(int hookid, HookProc pfnhook, IntPtr hinst, int threadid);
261        
262        [DllImport("user32.dll", CharSet=CharSet.Auto, ExactSpelling=true)]
263        public static extern bool UnhookWindowsHookEx(IntPtr hhook);
264    
265        [DllImport("user32.dll", CharSet=CharSet.Auto, ExactSpelling=true)]
266        public static extern IntPtr CallNextHookEx(IntPtr hhook, int code, IntPtr wparam, IntPtr lparam);
267    
268        [StructLayout(LayoutKind.Sequential)]
269        public struct MSG 
270            {
271            public IntPtr hwnd;
272            public int message;
273            public IntPtr wParam;
274            public IntPtr lParam;
275            public int time;
276            public int pt_x;
277            public int pt_y;
278            }
279
280        public const string REBARCLASSNAME = "ReBarWindow32";        
281    
282        public const int RBS_VARHEIGHT = 0x200;
283        public const int RBS_BANDBORDERS = 0x400;
284        public const int RBS_AUTOSIZE = 0x2000;
285    
286        public const int RBN_FIRST = -831;
287        public const int RBN_HEIGHTCHANGE = RBN_FIRST - 0;
288        public const int RBN_AUTOSIZE = RBN_FIRST - 3;
289        public const int RBN_CHEVRONPUSHED = RBN_FIRST - 10;
290    
291        public const int RB_SETBANDINFO = WM_USER + 6;
292        public const int RB_GETRECT = WM_USER + 9;
293        public const int RB_INSERTBAND = WM_USER + 10;
294        public const int RB_GETBARHEIGHT = WM_USER + 27;
295    
296        [StructLayout(LayoutKind.Sequential)]
297        public struct REBARBANDINFO
298            {
299            public int cbSize;
300            public int fMask;
301            public int fStyle;
302            public int clrFore;
303            public int clrBack;
304            public IntPtr lpText;
305            public int cch;
306            public int iImage;
307            public IntPtr hwndChild;
308            public int cxMinChild;
309            public int cyMinChild;
310            public int cx;
311            public IntPtr hbmBack;
312            public int wID;
313            public int cyChild;
314            public int cyMaxChild;
315            public int cyIntegral;
316            public int cxIdeal;
317            public int lParam;
318            public int cxHeader;
319            }
320
321        public const int RBBIM_CHILD = 0x10;
322        public const int RBBIM_CHILDSIZE = 0x20;
323        public const int RBBIM_STYLE = 0x1;
324        public const int RBBIM_ID = 0x100;
325        public const int RBBIM_SIZE = 0x40;
326        public const int RBBIM_IDEALSIZE = 0x200;
327        public const int RBBIM_TEXT = 0x4;
328    
329        public const int RBBS_BREAK = 0x1;
330        public const int RBBS_CHILDEDGE = 0x4;
331        public const int RBBS_FIXEDBMP = 0x20;
332        public const int RBBS_GRIPPERALWAYS = 0x80;
333        public const int RBBS_USECHEVRON = 0x200;
334
335        [StructLayout(LayoutKind.Sequential)]
336        public struct NMREBARCHEVRON
337            {
338            public NMHDR hdr;
339            public int uBand;
340            public int wID;
341            public int lParam;
342            public RECT rc;
343            public int lParamNM;
344            }
345
346        [StructLayout(LayoutKind.Sequential)]
347        public struct IMAGELISTDRAWPARAMS 
348            {
349            public int cbSize;
350            public IntPtr himl;
351            public int i;
352            public IntPtr hdcDst;
353            public int x;
354            public int y;
355            public int cx;
356            public int cy;
357            public int xBitmap;
358            public int yBitmap;
359            public int rgbBk;
360            public int rgbFg;
361            public int fStyle;
362            public int dwRop;
363            public int fState;
364            public int Frame;
365            public int crEffect;                
366            }
367
368        public const int ILD_TRANSPARENT = 0x1;
369        public const int ILS_SATURATE = 0x4;
370
371        [DllImport("comctl32.dll", CharSet=CharSet.Auto)]
372        public static extern bool ImageList_DrawIndirect(ref IMAGELISTDRAWPARAMS pimldp);
373        
374        [StructLayout(LayoutKind.Sequential)]
375        public struct DLLVERSIONINFO
376            {
377            public int cbSize;
378            public int dwMajorVersion;
379            public int dwMinorVersion;
380            public int dwBuildNumber;
381            public int dwPlatformID;
382            }
383            
384        [DllImport("comctl32.dll")]
385        public extern static int DllGetVersion(ref DLLVERSIONINFO dvi);
386
387        public const int SPI_GETFLATMENU = 0x1022;
388
389        [DllImport("user32.dll", CharSet=CharSet.Auto)]
390        public extern static int SystemParametersInfo(int nAction, int nParam, ref int value, int ignore);
391
392        public const int DT_SINGLELINE = 0x20;
393        public const int DT_LEFT = 0x0;
394        public const int DT_VCENTER = 0x4;
395        public const int DT_CALCRECT = 0x400;
396
397        [DllImport("user32.dll")]
398        public extern static int DrawText(IntPtr hdc, string lpString, int nCount, ref RECT lpRect, int uFormat);
399
400        public const int TRANSPARENT = 1;    
401
402        [DllImport("gdi32.dll")]
403        public extern static int SetBkMode(IntPtr hdc, int iBkMode);
404    
405        [DllImport("gdi32.dll")]
406        public extern static int SetTextColor(IntPtr hdc, int crColor);
407    
408        [DllImport("gdi32.dll")]
409        public extern static IntPtr SelectObject(IntPtr hdc, IntPtr hgdiobj);
410
411        [DllImport("gdi32.dll", ExactSpelling=true, CharSet=CharSet.Auto)]
412        public static extern bool DeleteObject(IntPtr hObject);
413
414        [DllImport("user32.dll", ExactSpelling=true, CharSet=CharSet.Auto)]
415        public static extern bool MessageBeep(int type);
416
417        public class TextHelper
418            {
419            public static Size GetTextSize(Graphics graphics, string text, Font font)
420                {
421                IntPtr hdc = graphics.GetHdc();
422                IntPtr fontHandle = font.ToHfont();
423                IntPtr currentFontHandle = Win32.SelectObject(hdc, fontHandle);
424            
425                Win32.RECT rect = new Win32.RECT();
426                rect.left = 0;
427                rect.right = 0;
428                rect.top = 0;
429                rect.bottom = 0;
430        
431                Win32.DrawText(hdc, text, text.Length, ref rect, Win32.DT_SINGLELINE | Win32.DT_LEFT | Win32.DT_CALCRECT);
432        
433                Win32.SelectObject(hdc, currentFontHandle);
434                Win32.DeleteObject(fontHandle);
435                graphics.ReleaseHdc(hdc);
436                
437                return new Size(rect.right - rect.left, rect.bottom - rect.top);
438                }
439        
440            public static void DrawText(Graphics graphics, string text, Point point, Font font, Color color)
441                {
442                Size size = GetTextSize(graphics, text, font);
443        
444                IntPtr hdc = graphics.GetHdc();
445                IntPtr fontHandle = font.ToHfont();
446                IntPtr currentFontHandle = Win32.SelectObject(hdc, fontHandle);
447        
448                int currentBkMode = Win32.SetBkMode(hdc, Win32.TRANSPARENT);
449                int currentCrColor = Win32.SetTextColor(hdc, Color.FromArgb(0, color.R, color.G, color.B).ToArgb());
450        
451                Win32.RECT rc = new Win32.RECT();
452                rc.left = point.X;
453                rc.top = point.Y;
454                rc.right = rc.left + size.Width;
455                rc.bottom = rc.top + size.Height;
456        
457                Win32.DrawText(hdc, text, text.Length, ref rc, Win32.DT_SINGLELINE | Win32.DT_LEFT);            
458        
459                Win32.SetTextColor(hdc, currentCrColor);
460                Win32.SetBkMode(hdc, currentBkMode);
461    
462                Win32.SelectObject(hdc, currentFontHandle);
463                Win32.DeleteObject(fontHandle);
464                graphics.ReleaseHdc(hdc);
465                }
466            }
467    
468        public class ImageHelper
469            {
470            static Version version = null;
471    
472            static ImageHelper()
473                {
474                Win32.DLLVERSIONINFO dvi = new Win32.DLLVERSIONINFO();
475                dvi.cbSize = Marshal.SizeOf(typeof(Win32.DLLVERSIONINFO));
476                Win32.DllGetVersion(ref dvi);
477                version = new Version(dvi.dwMajorVersion, dvi.dwMinorVersion, dvi.dwBuildNumber, 0);
478                }
479    
480            public static Version Version
481                {
482                get { return version; }
483                }
484    
485            public static void DrawImage(Graphics graphics, Image image, Point point, bool disabled)
486                {
487                if (!disabled)
488                    {
489                    graphics.DrawImage(image, point);
490                    return;                    
491                    }
492                    
493                // Painting a disabled gray scale image is done using ILS_SATURATE on WinXP.
494                // This code emulates that behaviour if comctl32 version 6 is not availble.
495                if (version.Major < 6)
496                    {
497                    ImageAttributes attributes = new ImageAttributes();
498                    Rectangle destination = new Rectangle(point, image.Size);
499                    float[][] matrix = new float[5][];
500                    matrix[0] = new float[] { 0.2222f, 0.2222f, 0.2222f, 0.0000f, 0.0000f };
501                    matrix[1] = new float[] { 0.2222f, 0.2222f, 0.2222f, 0.0000f, 0.0000f };
502                    matrix[2] = new float[] { 0.2222f, 0.2222f, 0.2222f, 0.0000f, 0.0000f };
503                    matrix[3] = new float[] { 0.3333f, 0.3333f, 0.3333f, 0.7500f, 0.0000f };
504                    matrix[4] = new float[] { 0.0000f, 0.0000f, 0.0000f, 0.0000f, 1.0000f };
505                    attributes.SetColorMatrix(new ColorMatrix(matrix));
506                    graphics.DrawImage(image, destination, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attributes);
507                    }
508                else
509                    {
510                    ImageList imageList = new ImageList();
511                    imageList.ImageSize = image.Size;
512                    imageList.ColorDepth = ColorDepth.Depth32Bit;        
513                    imageList.Images.Add(image);
514    
515                    IntPtr hdc = graphics.GetHdc();
516                    Win32.IMAGELISTDRAWPARAMS ildp = new Win32.IMAGELISTDRAWPARAMS();
517                    ildp.cbSize = Marshal.SizeOf(typeof(Win32.IMAGELISTDRAWPARAMS));
518                    ildp.himl = imageList.Handle;
519                    ildp.i = 0; // image index
520                    ildp.hdcDst = hdc;
521                    ildp.x = point.X;
522                    ildp.y = point.Y;
523                    ildp.cx = 0;
524                    ildp.cy = 0;
525                    ildp.xBitmap = 0;
526                    ildp.yBitmap = 0;
527                    ildp.fStyle = Win32.ILD_TRANSPARENT;
528                    ildp.fState = Win32.ILS_SATURATE;
529                    ildp.Frame = -100;
530                    Win32.ImageList_DrawIndirect(ref ildp);
531                    graphics.ReleaseHdc(hdc);
532                    return;
533                    }
534                }
535            }
536        }