cdc ecards

button changes, the application framework needs to call this function to redraw the button. 6. Customize the following message processing: Afx_msg void OnMouseMove (UINT nFlags, CPoint point ); Afx_msg BOOL OnSetCursor (CWnd * pWnd, UINT nHitTest, UINT message ); Afx_msg void OnTimer (UINT nIDEvent ); Afx_msg void OnLButtonUp (UINT nFlags, CPoint point ); Afx_msg void OnLButtonDown (UINT nFlags, CPoint point ); Afx_msg int OnCreate (maid ); Afx_msg BOOL OnEraseBkgnd (

= cbitmap: fromhandle (BMP front );Cbitmap * pbmpbkground = cbitmap: fromhandle (BMP bkground ); CDC memdcfront;CDC memdcbkground;CDC memdcdest;BITMAP bmFront; CDC * pDc = GetDC (); MemDcFront. CreateCompatibleDC (pDc );MemDcDest. CreateCompatibleDC (pDc );MemDcBkGround. CreateCompatibleDC (pDc ); CBitmap * pOldBmpFro

analysis of the MFC program framework. Appwizard is a source code generation tool and a computer-aided programming tool. How is winmain hidden from the source program in the MFC program and how is theapp global variables allocated, the functions and relationships of several classes in the MFC framework, the generation and destruction of the window in the MFC framework, and the analysis of the precreatewidow and oncreate functions of the window class, the relationship between Windows and the cwn

Label: style ar use SP strong Div on art code There are many ways to draw the device context. For example, you can create a bitmap image brush and use it to fill an area to draw an image. In addition, the bitmap function of the CDC class can be used to output the bitmap to the device context. Bitblt is used to copy bitmap from the original device to the target device. The syntax format is as follows: Boolbitblt (int x, int y, int nwidth, int

. Void cdiscmeter: onpaint (){Cpaintdc DC (this); // device context for painting// Obtain the control areaGetclientrect ( m_rectctrl ); Cdiscmemdc memdc ( DC, m_rectctrl ); // Draw a dashboardIf (m_dcmeterplate.getsafehdc () = NULL | (m_bitmapmeterplate.m_hobject = NULL )){M_dcmeterplate.createcompatibledc ( DC );M_bitmapmeterplate.createcompatiblebitmap ( DC, m_rectctrl.width (), m_rectctrl.height ());M_pbitmapoldmeterplate = m_dcmeterplate.selectobject ( m_bitmapmeterplate );Drawmeterback

Derive a cbuttonex classReload oncreate to use the GDI + texture to the button IntCbuttonex: oncreate (maid) { If(Cbutton: oncreate (lpcreatestruct) =-1) Return-1; Crect RC; Getclientrect ( rc ); Cdc dc; UsingNamespaceGdiplus;// Required before using GDI + Graphics graph (getdc ()-> m_hdc ); Image image (L"E: \ image related \ my work \ gdi?button.png"); Graph. drawimage ( image, RC. right-rc.left, RC. b

". Windows creates it and allocates system resources to it. After an MFC window object is created in Windows, it is created by the create member function of the cwnd class. The "window handle" is saved in the m_hwnd member variable of the window object. Windows windows can be destroyed by a program or by user actions. (1) Data Structure comparison The MFC object is an example of the corresponding C ++ class, which is defined by the MFC or programmer; Windows Object is the internal structure of a

Functions: 1. Draw a colored line in an area of the dialog box. 2. When the window is overwritten and restored, the image is automatically re-painted. 3. Change the button color. Operation: Create a dialog box program according to the wizard. Add a static text box to the resource with the ID idc_static. Add the following content to dialogxxxdlg. h: Cbrush m_brush; // used for custom colorsCDC m_memdc; // memory DC compatible with screen DCCbitmap m_bmp; // bitmapCwnd * m_pdrawwnd; // Object Poin

Using TI's tm4c123g Launchpad Development Board, USB interface, to the same chip to burn write.We only use burn write that piece of function, do not have another chip development function, need jumper source project: from official website tm4c123g, download this board ofDrive, write program, Project。 Lmflashprogrammer.msi the program, drive and Project Sw-tm4c-2.0.1.11577.exe, tivaware_c_series-2.0.1.11577 project, examples\boards\ EK-TM4C123GXL for us to use the Chip project infrared screen sch

Bitmap manipulation and double buffering mechanismsBitmap manipulationCode section:CRect rect;GetClientRect (rect);Pdc->setmapmode (Mm_anisotropic);Pdc->setwindowext (rect. Width (), Rect. Height ());Pdc->setviewportext (rect. Width (),-rect. Height ());Pdc->setviewportorg (rect. Width ()/2, Rect. Height ()/2);CDC MEMDC;CBitmap Newbitmap, *poldbitmap;Newbitmap.loadbitmap (idb_about);BITMAP bmp; Newbitmap.getbitmap (bmp);Memdc.createcompatibledc (PDC);

Method One: Call the member function of the CWinApp class SetDialogBkColor to implement. (This function is deprecated)1void SetDialogBkColor (COLORREF CLRCTLBK = RGB (192, 192, 192), COLORREF clrctltext = RGB (0, 0, 0));Where the first parameter of the function specifies the background color, the second parameter specifies the text color.Add the following code in InitInstance ():1SetDialogBkColor (RGB (0,0,255), RGB (255,0,0));It is important to note that SetDialogBkColor must be called before c

The implementation interface is as follows: (the source code is provided at the end of this Article. If you are writing a technical blog, please criticize and correct it) Implementation process: 1. Create a DLG-based MFC application named tryBGDlg, set the DLG attribute to Title Bar: False, and keep other settings unchanged.2. Create two images, one of which is a black and white image based on the player's appearance. The white area is the area to be preserved and finally displayed on the deskt

support device-independent graphics. A Windows Graphics Device interface object type is represented by an MFC class library, which has a common abstract base class: CGdiObject. Some of these objects are: CBitmap bitmap objects, which represent bitmaps CBrush brush objects, which represent the color and style of area fills CPen Brush objects that specify the properties of lines and borders, such as color, lineweight, linearity, etc. crgn areaA Field object, composed of multiple polygons and

Method One: Call the member function of the CWinApp class SetDialogBkColor to implement. (This function is deprecated) 1 voidSetDialogBkColor(COLORREFclrCtlBk = RGB(192, 192, 192), COLORREFclrCtlText = RGB(0, 0, 0)); Where the first parameter of the function specifies the background color, the second parameter specifies the text color.Add the following code in InitInstance (): 1 SetDialogBkColor(RGB(0,0,255),RGB(255,0,0)); It is imp

The example in this article describes how MFC draws irregular forms. Share to everyone for your reference. The specific analysis is as follows: Implementation process: 1, first create an MFC application based on DLG, named: Trybgdlg, and set the Dlg property to: Title Bar:false, other settings unchanged 2, the production of two images, a black-and-white image, is based on the appearance of the player to make, where the white area is to retain the final display on the desktop area. Add these t

Hmetfile; Hmetfile = M_dcmetafile.close (); Save compatible DC Copymetafile (Hmetfile, "c:\\copymetafile.wmf"); A look at the effect is very good, Only the format WMF, to be loaded PDF words the road quite twists and turns, And then I thought, the CDC can show in the interface why it can't be displayed in memory So the code for the memory drawing appears CDC MEMDC; MEMDC. CreateCompatib

Cdc::setmapmode virtual int setmapmode (int nmapmode ); Function Description: This function sets the mapping method for the specified device environment, which defines the unit of measure that converts logical units to unit units, and defines the direction of the X and Y axes of the device. Nmapmode: Specifies the new mapping method, which can be any of the values listed below. Mm_anisotropic: The logical unit is converted to any unit with any proport

Concept J2ME, Java 2 Micro Edition, is a miniature Java platform running on mobile devices by Sun, with mobile devices, PDAs, electronic dictionaries, and a wide range of information terminals such as set-top boxes.Because of the tens of thousands of mobile terminals and the very different computing power, it is unlikely that just two or three versions of JVMs, like desktop systems, can satisfy Windows,linux and UNIX systems, so J2ME is not a simple miniature version of the JVM. To meet the dive

With a few gaps in the latest projects, starting with some of the bi features of SQL Server 2012 and 2014, referring to an example from Matt, we started to experience the CDC in SSIS (change data Capture). Note: If you need to know about the CDC in SQL Server 2008, see here http://www.cnblogs.com/downmoon/archive/2012/04/10/2439462.html), This article assumes that the reader has an understanding of how the

Set the background color and background image of the dialog box in onctlcolor (), onerasebkgnd (), onpaint (). After the dialog box is initialized, onsize ()-> onerasebkgnd () is called for display (), -> onpaint ()-> onctlcolor (), To change the dialog box size, for example, showwindow (sw_showmaximized); updatewindow (); Showwindow calls onsize ()-> onerasebkgnd (), Updatewindow (); Call onpaint ()-> onctlcolor (), If the message response onerasebkgnd () is not set in the dialog box,