Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C#ÏÂʵÏÖË«»º³åÃè»­¸ßƵÇúÏß(GDI+½áºÏGDI)

ÓÉÓÚÏîÄ¿ÐèÒª,ҪʹÓÃc#Ãè»­¸ßƵʵʱÇúÏß.
µ«ÊÇÔÚC#ÏÂÓÉÓÚÃ軭ͼÏñʹÓõÄÊÇGDI+,Ã軭ЧÂʺÜÓÐÎÊÌâ.Ò»µ©ÇúÏßÌ«¶à,¾Í»áÔì³ÉCPUʹÓÃÂÊÖ±ÏßÉÏÉý,ÂíÉÏì­Éýµ½100%.
ÔÚGDI+ÏÂʹÓÃË«»º³åÒ²ÎÞ¼ÃÓÚÊÂ,Ë«»º³å±¾ÉíÖ»»á½â¾öÇúÏß¶àµÄʱºòÈ«ÆÁÉÁ˸ÎÊÌâ,µ«Ã軭ЧÂÊ»¹ÊÇÑÏÖØµÍÏÂ.
Æä¼äÓùý¶àÖÖ½â¾ö·½°¸:DRECT3D,DRIRECT2D,GDI,,,,,µÈµÈµÈµÈ
×îºó´ÓЧÂʳö·¢,×îÖÕ½â¾ö·½°¸ÈçÏÂ:
ǰ̨ÏÔʾʹÓÃGDI,¶øºǫ́Ãè»­Ôò²ÉÓÃGDI+
ºǫ́²ÉÓÃ10±¶ÓÚǰ̨´°¿ÚµÄBUFFER,ÿ´ÎÏòÆäÖл­Ò»ÌõÏß.È»ºóͨ¹ýÒ»¸öRECTÊÓ¿Ú,ÿ´ÎÏòǰ̨ÏÔʾÊÓ¿ÚÀïµÄÄÚÈÝ.·ñÔòÿ´ÎÖØ»æµÄ´ú¼ÛÌ«¸ß.
Õâ¸ö·½·¨ÊµÏÖµÄÄѵãÖ÷ÒªÔÚÓÚGDIºÍGDI+µÄ½áºÏ²¿·Ö,Ö÷Òª´úÂëÈçÏÂ:
1.º¯Êý¿â:using ºÍ WIN32APIº¯Êý
using System.Runtime.InteropServices;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Drawing.Text;
[DllImport("gdi32")]
public static extern IntPtr CreateCompatibleDC(IntPtr hdc);
[DllImport("gdi32")]
public static extern IntPtr SelectObject(IntPtr hdc, IntPtr hObject);
[DllImport("GDI32.dll")]
public static extern long BitBlt(IntPtr hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, int dwRop);
[DllImport("GDI32.dll")]
public static extern bool DeleteObject(IntPtr hObject);
2.ÉùÃ÷¶ÔÏó
public PictureBox _backgroundGraph;//±»Ãè»­µÄ¿Ø¼þ¶ÔÏó
//public Form _backgroundGraph;
public Graphics _backgroundGraphic = null; // ±³¾°Graphic
public Graphics _backgroundRenderGraphic = null; // Ë«»º³åGraphic
private Graphics _backgroundMemoryGraphic = null; // ÄÚ´æGraphic
public Graphics _backgroundDrawGraphic = null; // Ãè»­Graphic
private Bitmap _backgroundMemoryBitmap = null; // ÄÚ´æBitmap
public BufferedGraphics _graphicsBuffer = null; // Ë«»º³åBufferedGraphics
private IntPtr _memoryGraphicHdc; // ÄÚ´æGraphicÊÊÓõÄÒýÓÃ
private IntPtr _memoryBitmapHdc; // ÄÚ´æBitmapÊÊÓõÄÒýÓÃ
3.³õʼ»¯¶ÔÏó
   public void InitDraw()
        {
            _backgroundGraph = pictu


Ïà¹ØÎĵµ£º

C# Home / Ïê½âAsp.Net SqlÊý¾Ý¿âÁ¬½Ó×Ö·û´®

1.Á¬½ÓÊý¾Ý¿âÎļþ
<add name="LocalSqlServer" connectionString="Data Source=.\SQLExpress;Integrated Security=True;AttachDBFilename=|DataDirectory|TimeTracker.mdf;User Instance=true" />
SqlConnectionStringBuilderʵÀý»¯Ê±£¬ÒªÓõ½connectionString£¬È磺SqlConnectionStringBuild builder = new SqlCon ......

C#»ñÈ¡×Ö·û´®µÄ³¤¶È

C#»ñÈ¡×Ö·û´®µÄ³¤¶È
×÷Õߣºylclass  À´Ô´£º²©¿ÍÔ°  ·¢²¼Ê±¼ä£º2009-10-30 16:25  ÔĶÁ£º193 ´Î  Ô­ÎÄÁ´½Ó   [ÊÕ²Ø]  
1¡¢    Ê¹ÓÃg.MeasureString£¨£©»ñµÃ
ʹÓÃMeasureString²âÁ¿³öÀ´µÄ×Ö·û¿í¶È£¬×ÜÊDZÈʵ¼Ê¿í¶È´óһЩ£¬¶øÇÒËæ×Å×Ö·û ......

C# ÓïÑÔ µÚÒ»²¿·Ö ÃæÏò¶ÔÏó£¨Ê®¶þ£© ½Ó¿ÚµÄÓ¦ÓÃ

±¾ÕÂΪ½Ó¿Ú¿Î³ÌµÄ×ÛºÏÁ·Ï°¡£
±¾´ÎÁ·Ï°Õ¹Ê¾ÁËÒ»¸ö¼ò»¯µÄÒøÐÐÒµÎñÁ÷³Ì£¬ÌåÏÖÁËÒøÐкÍÓû§Êý¸ö½ÇÉ«µÄ¹ØÏµ¡£¿´ÏÂͼ£º
ÕË»§ÀࣨAccount£©¶ÔÏó´æ´¢ÔÚÊý¾Ý¿âÀࣨDatabase£©¶ÔÏóÖУ»¼ÆËã»ú£¨Computer£©Àà¶ÔÏóÁ¬½Óµ½Êý¾Ý¿âÀà¶ÔÏóÉÏ£»ÒøÐйñ̨£¨BankCounter£©Àà¶ÔÏóÓµÓÐһ̨¼ÆËã»ú¶ÔÏó×÷Ϊ˽ÓгÉÔ±£¬ÀûÓøöÔÏó¶ÔÊý¾Ý¿â½øÐвÙ×÷£»AT ......

¡¶Visual C# ×î¼Ñʵ¼ù¡·µÚÒ»Õ ³ÌÐòÉè¼Æ (Èý)

 
µÚÒ»Õ ³ÌÐòÉè¼Æ
¡¡¡¡“ÒªÏë³ÉÎªÕæÕýµÄ³ÌÐòÔ±£¬ÎÒÃÇÐèÒª½øÐÐÒ»³¡Ï´Àñ¡£”
¡¡¡¡“³ÌÐò = Êý¾Ý½á¹¹ + Ëã·¨¡£”ÕâÑùµÄ¹«Ê½ºÜ¾«±Ù£¬ËüÔ½¹ýÁ˱í²ãÖ±½ÓÃèÊöÁ˳ÌÐòµÄ±¾ÖÊ¡£²»½öÈç´Ë£¬ÕâÑù¼¸¸ö¼òµ¥µÄµ¥´ÊÒ²ÈÃÎÒÃÇÃ÷°×“ÎÒÃÇÓ¦¸ÃѧϰʲôÄÚÈÝ£¿”¡£ÈËÃÇ×öÈκÎʶ¼ÓÐÒ»¶¨µÄ³ÌÐò£¬Ö»ÊÇûÓÐÒâÊ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ