鼠标手势识别系统

				// AboutBox.h : Declaration of the AboutBox
				
				#ifndef __ABOUTBOX_H_
				#define __ABOUTBOX_H_
				
				#include "resource.h"       // main symbols
				#include 
				
				#include "AnimationCtrl.h"
				
				// 
				
				/////////////////////////////////////////////////////////////////////////////
				// AboutBox
				class AboutBox : 
					public CAxDialogImpl
				{	
					AnimationCtrl m_alogo;
					
				public:
					AboutBox()
					{
					}
				
					~AboutBox()
					{
					}
				
					enum { IDD = IDD_ABOUTBOX };
				
				BEGIN_MSG_MAP(AboutBox)
					MESSAGE_HANDLER(WM_INITDIALOG,		OnInitDialog)
					MESSAGE_HANDLER(WM_ERASEBKGND,		OnEraseBkgnd)
					MESSAGE_HANDLER(WM_CTLCOLORSTATIC,	OnCtlColorStatic)	
					MESSAGE_HANDLER(WM_DESTROY,			OnDestroy)	
					MESSAGE_HANDLER(WM_LBUTTONDOWN,		OnLButtonDown);
					COMMAND_ID_HANDLER(IDOK,			OnOK)
					COMMAND_ID_HANDLER(IDCANCEL,		OnCancel)
				END_MSG_MAP()
					
					LRESULT OnInitDialog(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)	
					{
						kb::OSVersionInfo vi;
						if (vi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) 	
						{
							// dummy Win9x platforms
							// no animation
				
							RECT rc;
				
							CWindow logo(GetDlgItem(IDC_LOGO));
							logo.ShowWindow(SW_HIDE);			
							logo.GetClientRect(&rc);
							logo.MapWindowPoints(m_hWnd, &rc);
				
							int dy = rc.bottom - rc.top;
				
							for (unsigned i = 0; i < 3; ++i)
							{
								CWindow label1(GetDlgItem(IDC_STATIC1 + i));
								label1.GetClientRect(&rc);
								label1.MapWindowPoints(m_hWnd, &rc);
								rc.top -= dy; rc.bottom -= dy; 
								label1.SetWindowPos(0, &rc, SWP_NOSIZE|SWP_NOACTIVATE);
							}			
				
							GetWindowRect(&rc);
							rc.bottom -= dy; 
							SetWindowPos(0, &rc, SWP_NOMOVE|SWP_NOACTIVATE);
						}
						else
						{
							// nice animation for Win2k and WinXP
				
							m_alogo.SubclassWindow(GetDlgItem(IDC_LOGO));
							m_alogo.Load(_T("RT_JPEG"), IDR_RT_JPEG1);							
							m_alogo.Start(0, 19, 0, 33, 120, 120, true);	// 21 frame, 120*120
						}		
						return 1;  // Let the system set the focus
					}
				
					LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)	
					{	
						m_alogo.Stop();
						return 0;
					}
				
					LRESULT OnEraseBkgnd(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)	
					{
						HDC hdc = (HDC)wParam;
						RECT rc;
						GetClientRect(&rc);		
						FillRect(hdc, &rc, (HBRUSH)GetStockObject(BLACK_BRUSH));
						FrameRect(hdc, &rc, (HBRUSH)GetStockObject(GRAY_BRUSH));
						return 0;
					}	
				
					LRESULT OnCtlColorStatic(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)	
					{
						HDC hdc = (HDC)wParam;
						SetBkMode(hdc, TRANSPARENT);	
						SetTextColor(hdc, RGB(90, 100, 245));
						return (LRESULT)(HBRUSH)GetStockObject(BLACK_BRUSH);
					}
					
					LRESULT OnLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)	
					{
						EndDialog(IDOK);
						return 0;
					}	
				
					LRESULT OnOK(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
					{
						EndDialog(wID);
						return 0;
					}
				
					LRESULT OnCancel(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled)
					{
						EndDialog(wID);
						return 0;
					}	
				};
				
				#endif //__ABOUTBOX_H_