C# 视频监控系列(15)：总结贴——可能用到的C# WinForm技术小结

         public   byte [] ConvertToBytes(IntPtr dataBuf,  int  length)
        {
             byte [] byteBuf  =   new   byte [length];
            Marshal.Copy(dataBuf, byteBuf,  0 , length);
             return  byteBuf;
        }

     ///   <summary>
     ///  读写INI文件
     ///   </summary>
     public   class  IniFile
    {
         ///   <summary>
         ///  文件INI名称
         ///   </summary>
         public   string  Path;

         ///   <summary>
         ///  声明读写INI文件的API函数 
         ///   </summary>
         ///   <param name="section"></param>
         ///   <param name="key"></param>
         ///   <param name="val"></param>
         ///   <param name="filePath"></param>
         ///   <returns></returns>
        [DllImport( " kernel32 " )]
         private   static   extern   long  WritePrivateProfileString( string  section,  string  key,  string  val,  string  filePath);


        [DllImport( " kernel32 " )]
         private   static   extern   int  GetPrivateProfileString( string  section,  string  key,  string  def, StringBuilder retVal,  int  size,  string  filePath);

         ///   <summary>
         ///  类的构造函数，传递INI文件名
         ///   </summary>
         ///   <param name="inipath"></param>
         public  IniFile( string  inipath)
        {
             //
             //  TODO: Add constructor logic here
             //
            Path  =  inipath;
        }

         ///   <summary>
         ///  写INI文件
         ///   </summary>
         ///   <param name="Section"></param>
         ///   <param name="Key"></param>
         ///   <param name="Value"></param>
         public   void  IniWriteValue( string  Section,  string  Key,  string  Value)
        {
            WritePrivateProfileString(Section, Key, Value,  this .Path);

        }

         ///   <summary>
         ///  读取INI文件指定
         ///   </summary>
         ///   <param name="Section"></param>
         ///   <param name="Key"></param>
         ///   <returns></returns>
         public   string  IniReadValue( string  Section,  string  Key)
        {
            StringBuilder temp  =   new  StringBuilder( 5000 );
             int  i  =  GetPrivateProfileString(Section, Key,  "" , temp,  5000 ,  this .Path);
             return  temp.ToString();

        }
    }

         ///   <summary>
         ///  获得网卡号
         ///   </summary>
         ///   <returns></returns>
         public   static   string  GetNetCardMacAddress()
        {
            ManagementClass mc  =   new  ManagementClass( " Win32_NetworkAdapterConfiguration " );
            ManagementObjectCollection moc  =  mc.GetInstances();
             string  str  =   "" ;
             foreach  (ManagementObject mo  in  moc)
            {
                 if  (( bool )mo[ " IPEnabled " ]  ==   true )
                    str  =  mo[ " MacAddress " ].ToString();
            }
             return  str;
        }

         ///   <summary>
         ///  获取板卡序号
         ///   </summary>
         ///   <returns></returns>
         public   static   string  GetBoardSN()
        {
             uint  boardCount  =  HikVisionSDK.GetBoardCount();
            StringBuilder sn  =   new  StringBuilder();
             for  ( uint  i  =   0 ; i  <  boardCount; )
            {
                DS_BOARD_DETAIL boardDetail  =   new  DS_BOARD_DETAIL();
                HikVisionSDK.GetBoardDetail(i,  ref  boardDetail);
                 for  ( int  j  =   0 ; j  <   12 ; j ++ )
                {
                    sn.Append(( char )(boardDetail.sn[j]  +   0x30 ));
                }
                 break ;
            }
             return  sn.ToString();
        }

        ///   <summary>
         ///  全屏
         ///   </summary>
         ///   <param name="tsmFullScreen"> 右键 </param>
         ///   <param name="pVideo"> 显示视频的窗口 </param>
         ///   <param name="cs"> 视频连接成功返回的值 </param>
         private   void  FullScreen(ToolStripMenuItem tsmFullScreen, Panel pVideo,  int  cs)
        {
             if  ( this .WindowState  ==  System.Windows.Forms.FormWindowState.Maximized)
            {
                tsmFullScreen.Text  =   " 全屏窗口 " ;
                 this .FormBorderStyle  =  System.Windows.Forms.FormBorderStyle.FixedSingle;
                 this .WindowState  =  System.Windows.Forms.FormWindowState.Normal;
                 this .TopMost  =   false ;
                pVideo.Width  =  pre_Width;
                pVideo.Height  =  pre_Height;
                pVideo.Top  =  pre_Top;
                pVideo.Left  =  pre_Left;

                 // 隐藏其他控件
                HideOtherControls(pVideo,  true );

                minPanel(pVideo, cs);
            }
             else
            {
                tsmFullScreen.Text  =   " 关闭全屏 " ;
                 this .FormBorderStyle  =  System.Windows.Forms.FormBorderStyle.None;
                 this .WindowState  =  System.Windows.Forms.FormWindowState.Maximized;
                 this .TopMost  =   true ;

                pre_Width  =  pVideo.Width;
                pre_Height  =  pVideo.Height;
                pre_Top  =  pVideo.Top;
                pre_Left  =  pVideo.Left;

                pVideo.Width  =   this .Width;
                pVideo.Height  =   this .Height;
                pVideo.Top  =   0 ;
                pVideo.Left  =   0 ;

                 // 显示其他控件
                HideOtherControls(pVideo,  false );
            }
        }

         // 判断是不是IP地址
         public   bool  IsIPAddress( string  ip)
        {
             return  Regex.IsMatch(ip,  @" ^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$ " );
        }
         ///   <summary>
         ///  是否是无符号整数(正数)
         ///   </summary>
         ///   <param name="value"></param>
         ///   <returns></returns>
         public   bool  IsUInt( string  value)
        {
             return  Regex.IsMatch(value,  @" ^\d*$ " );
        }