form1.cs

三汇CTI示例程序源码

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Text ;
using System.Runtime .InteropServices ;
using System.IO ;

using SH_DLL;


namespace PBX
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	/// 

	public enum APP_USER_STATUS			//User-defined station channel state
	{
		USER_IDLE,					//Station channel idle
		USER_LOCAL_RING,			//Station channel ringing
		USER_GET_1STDTMF,			//Press the first DTMF digit on the station channel to select the called party
		USER_GET_DTMF,				//The station channel judges if the extension number is legal
		USER_REQ_USER,				//The station channel is waiting for a result to see if the extension has been used
		USER_RING_BACK,				//The station channel is waiting for the extension to pick up the call
		USER_REQ_TRUNK,				//The station channel is waiting for a result to see if a trunk channel is used for call connection
		USER_DIALOUT,				//The station channel dials the trunk channel
		USER_WAIT_REMOTE_PICKUP,	//The station channel is waiting for the trunk channel to pick up the call
		USER_TALKING,				//The station channel is talking with the extension
		USER_WAIT_HANGUP,			//The station channel is waiting to hang up the call
		USER_F_GET_DTMF,			//The station channel judges if the extension number is legal during a call transfer.
		USER_F_REQ_USER,			//The station channel is waiting for the result of a call transfer
		USER_F_RING_BACK,			//The station channel is waiting for the target extension to which the call is transferred to pick up the call
		USER_F_TALKING,				//The station channel is talking with the target extension to which the call is transferred
		USER_F_OPERATE,				//
		USER_F_WAIT_TALK,			//The previously connected station channel is waiting for the connection with the target extension to which the call is transferred
		TRUNK_IDLE,					//Trunk channel idle
		TRUNK_WAIT_1STNUM,			//The trunk channel is waiting to dial
		TRUNK_DIALING,				//The trunk channel is dialing
		TRUNK_WAIT_REMOTE_PICKUP,	//The trunk channel is waiting for the remote end to pick up the call
		TRUNK_WAIT_ACTUAL_PICKUP,	//The trunk channel rings, picks up the call and waits for the call connection
		TRUNK_WAIT_SELECTION,		//The trunk channel judges if the number is compliant with the numbering rule when it is calling the station channel
		TRUNK_REQ_USER,				//The trunk channel requests a station channel for call connection
		TRUNK_RING_BACK,			//The trunk channel is waiting for the station channel to pick up the call
		TRUNK_CONNECTED,			//The trunk channel is connected
		TRUNK_FLASHING,				//The trunk channel is waiting for the connection with the target extension to which the call is transferred
	};

	public enum EventMsg
	{
		E_US_SEIZURE = 0x0040,			//Sends a usage request to the extension
		E_US_RELEASE,					//Sends a release event to the station channel
		E_US_SEIZURE_ACK_IDLE,			//Answers that the station channel is idle
		E_US_SEIZURE_ACK_BUSY,			//Answers that the station channel is busy
		E_US_PICKUP,					//Sends an off-hook event to the calling party
		E_US_SEIZURE_TK,				//Sends a usage request to the analog channel
		E_TK_SEIZURE_TK_ACK_IDLE,		//Answers that the analog channel is idle
		E_TK_SEIZURE_TK_ACK_BUSY,		//Answers that the analog channel is busy
		E_TK_RELEASE,					//Sends a release event to the trunk channel
		E_US_DTMF2TK,					//Sends DTMF digits to the trunk channel
		E_TK_DIAL_OK,					//The trunk channel is successful to dial
		E_TK_DIAL_FAIL,					//The trunk channel is failed to dial
		E_TK_REMOTE_NOANSWER,			//No answer from the remote end that the trunk channel is calling
		E_TK_REMOTE_PICKUP,				//The remote end that the trunk channel is calling picks up the call
		E_MSG_RELEASE,					//Sends a release event to the connected party
		E_MSG_FLASH,					//A flash event
		E_MSG_CONNECT,					//A connect event
		E_MSG_HANGUP,					//During a call transfer, the previously connected party hangs up the call and sends this event to the target party to which the call is transferred
		F_US_SEIZURE,					//Sends a request event to the station channel during a flash
	};

	[StructLayout(LayoutKind.Sequential)]public struct CH_INFO
	{
		public int nChType;					//Channel Type: 0,2	 ---Analog channel, Station channel
		public int	nLinkToCh;					//The number of the target channel to be linked
		public int nSaveSubmiteCh;				//The number of the channel where the previously connected party lies
		public int nTimer;						//Timer ID
		public StringBuilder szPhoneNumBuf;//The buffer storing phone numbers
		public StringBuilder szUserNum;				//The station channel number
		public int nPhoNumLen;					//The length of the phone number, i.e. a flag which tells if it is necessary to append numbers
		public int nIndex;						//Index value list
		public bool bPressFlag;				//A hook switch flag (TRUE: Pressed; FALSE: Not pressed)
		public bool bSubmiteChHookFlag;		//A flag used to judge if the previously connected party has hung up the phone (TRUE: On-hook; FALSE: Off-hook)
		public StringBuilder szCallerId;//Stores the calling party number
		public StringBuilder szCalleeId;//Stores the called party number
		public APP_USER_STATUS nStatus;		//A channel state value, which is a flag to control the program flow
	}
	


	public class Form1 : System.Windows.Forms.Form
	{
		[DllImport ( "kernel32" ) ] private static extern int GetPrivateProfileString ( string section , string key , string def , StringBuilder retVal , int size , string filePath ) ; 
		[DllImport ( "kernel32" ) ] private static extern long WritePrivateProfileString ( string section , string key , string val , string filePath ) ; 
		[DllImport("user32.dll", EntryPoint="SendMessageA")]public static extern int SendMessage (IntPtr hwnd, int wMsg, IntPtr wParam, IntPtr lParam);
		
		[DllImport("SHP_A3.dll")]public static extern int SsmSetASDT(int ch, bool bEnAutoSendDialTone );
		[DllImport("SHP_A3.dll")]public static extern int SsmGetDtmfStr(int ch, StringBuilder pszDtmf);
		[DllImport("SHP_A3.dll")]public static extern int SsmSendTone(int ch, int nToneType);
		[DllImport("SHP_A3.dll")]public static extern int SsmSearchIdleCallOutCh(int wSearchMode, int dwPrecedence);
		[DllImport("SHP_A3.dll")]public static extern int SsmChkSendTone(int ch, ref int pnToneType);
		[DllImport("SHP_A3.dll")]public static extern int SsmStopSendTone(int ch);
		[DllImport("SHP_A3.dll")]public static extern int SsmStartRing(int ch);
		[DllImport("SHP_A3.dll")]public static extern int SsmAppendPhoNum(int ch, string szPhoNum);//ref char szPhoNum);

		public const int WM_USER = 0x0400;
		public const int CHTYPE_TRUNK = 0;			//Analog truck channel
		public const int CHTYPE_USER = 2;			//Station channel

		public const int MAX_CHLIST_ITEM = 6;			
		public const int MAX_CH = 400;		

		public const int MAX_USER_DTMFLEN =	4;			
		public const int NUM_LENGTH	= 20;			



		private System.Windows.Forms.Button button1;
		private AxMSFlexGridLib.AxMSFlexGrid ChList;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		int nMaxCh;
		CH_INFO[] ChInfo = new CH_INFO [400];

		IntPtr hwnd;
		
		

		public Form1()
		{
			hwnd=this.Handle ;
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			
			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
			if(!IntiCtiBoard())		
			{
				Dispose(true);
			}
			else
			{
				//set event message programming mode 
				EVENT_SET_INFO EventSet = new EVENT_SET_INFO ();	
				EventSet.dwWorkMode = (int)EventType.EVENT_MESSAGE;	
				EventSet.lpHandlerParam = this.Handle ;	
				ShDll.SsmSetEvent(-1, -1, true, ref EventSet);
		
				IntiChList();		//initialize list and channel concerned parameter
			}


		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			ShDll.SsmCloseCti ();
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
			this.ChList = new AxMSFlexGridLib.AxMSFlexGrid();
			this.button1 = new System.Windows.Forms.Button();
			((System.ComponentModel.ISupportInitialize)(this.ChList)).BeginInit();
			this.SuspendLayout();
			// 
			// ChList
			// 
			this.ChList.Location = new System.Drawing.Point(16, 24);
			this.ChList.Name = "ChList";
			this.ChList.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("ChList.OcxState")));
			this.ChList.Size = new System.Drawing.Size(424, 184);
			this.ChList.TabIndex = 0;
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(360, 232);
			this.button1.Name = "button1";
			this.button1.TabIndex = 1;
			this.button1.Text = "EXIT";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(456, 284);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.ChList);
			this.Name = "Form1";
			this.Text = "Form1";
			((System.ComponentModel.ISupportInitialize)(this.ChList)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		bool IntiCtiBoard()
		{
			StringBuilder CErrMsg=new StringBuilder (300);			//error message
	
			//load configuration file and initialize system 
			if (ShDll.SsmStartCti("ShConfig.ini", "ShIndex.ini") == -1)
			{
				ShDll.SsmGetLastErrMsg(CErrMsg);	//300-character buffer at minimum
				MessageBox.Show (CErrMsg.ToString ());
				return false;
			}
	
			//to judge whether number of voice board initialized successfully equials that of 
			//voice board set in configuration file. 
			if(ShDll.SsmGetMaxUsableBoard() != ShDll.SsmGetMaxCfgBoard())
			{
				ShDll.SsmGetLastErrMsg(CErrMsg);	//300-character buffer at minimum 
				MessageBox.Show (CErrMsg.ToString ());
				return false;
			}

			return true;
		}
					 

		void IntiChList()
		{
			string KeyName;
			string szChType = "";	//channel type
			int	 nIndex;			//list index 

			string lpAppName = "USERNUM";


			ChList.Cols =6;
			ChList.Row =0;

			ChList.Col = 0;
			ChList.Text = "Ch";

			ChList.Col = 1;
			ChList.Text = "ChType";

			ChList.Col = 2;
			ChList.Text = "Status";

			ChList.Col = 3;
			ChList.Text = "CallerId";

			ChList.Col = 4;
			ChList.Text = "CalleeId";

			ChList.Col = 5;
			ChList.Text = "DTMFBuffer";

			ChList.set_ColWidth (0,24*12);
			ChList.set_ColWidth (1,80*12);
			ChList.set_ColWidth (2,130*12);
			ChList.set_ColWidth (3,80*12);
			ChList.set_ColWidth (4,80*12);
			ChList.set_ColWidth (5,100*12);

			nMaxCh = ShDll.SsmGetMaxCh();		//to retrieve max channel number set in configuration file 

			//to initialize each on-board channel
			if(nMaxCh >= 0)
			{
				nIndex=1;
				for(int ch=0, i=1; ch<nMaxCh; ch++)
				{
					

					ChInfo[ch].szCalleeId = new StringBuilder (20);			
					ChInfo[ch].szCallerId = new StringBuilder (20);			
					ChInfo[ch].szPhoneNumBuf = new StringBuilder (20);
					ChInfo[ch].szUserNum =new StringBuilder (16);

					ChInfo[ch].nLinkToCh  = -1;
					ChInfo[ch].nIndex = -1;
					ChInfo[ch].nTimer = -1;
					ChInfo[ch].nSaveSubmiteCh = -1;
					ChInfo[ch].bPressFlag = false;
					ChInfo[ch].bSubmiteChHookFlag = false;
			
					//to retrive channel type information 
					if( (ChInfo[ch].nChType = ShDll.SsmGetChType(ch)) == -1 )
					{
						MessageBox.Show ("Call of function SsmGetChType() failed at initialization");
					}

					//to judge whether a channel is analog station or trunk channel 
					if(ChInfo[ch].nChType != 0 && ChInfo[ch].nChType !=2) 
					{
						continue;
					}
					
					

					//to clear DTMF buffer 
					if(ShDll.SsmClearRxDtmfBuf(ch) == -1)
					{
						MessageBox.Show ("Call of function SsmClearRxDtmfBuf() failed at initialization ");
					}

					ChList.AddItem (ch.ToString (), nIndex);
		
					
					switch(ChInfo[ch].nChType)
					{
						case 0:
							ChInfo[ch].nStatus = APP_USER_STATUS.TRUNK_IDLE;
							szChType= "Trunk";
							ChInfo[ch].nIndex = nIndex;
							break;
						case 2:
							ChInfo[ch].nStatus = APP_USER_STATUS.USER_IDLE;
							szChType= "Station";
							ChInfo[ch].nIndex = nIndex;
				
							KeyName = "UserChPhoNum["+i.ToString()+"]";
							string dirTemp= Directory.GetCurrentDirectory ();
							string dir = dirTemp + "\\pbx.ini";
							
				
							GetPrivateProfileString(lpAppName, KeyName, "XXXXXXXX", ChInfo[ch].szUserNum, 16, dir);
							szChType = "Station " + ChInfo[ch].szUserNum.ToString ();
							if(SsmSetASDT(ch, true) == -1)
							{
								MessageBox.Show ("Call of function SsmSetASDT() failed at initialization");
							}

							i++;

							break;
						default:
							break;
					}

					ChList.set_TextMatrix (nIndex, 1, szChType);
					ChList.set_TextMatrix (nIndex, 2, "Idle");
					nIndex++;
				}
			}
			else
			{
				if(nMaxCh == -1)
				{
					MessageBox.Show ("Call of function SsmGetMaxCh() failed at initialization！");
				}
			}