formmain.cs

windows mobile 开发实例wi ndows mobile 开发实例

//-----------------------------------------------------------------------------
// Code from _Programming the .NET Compact Framework with C#_
// and _Programming the .NET Compact Framework with VB_
// (c) Copyright 2002-2004 Paul Yao and David Durant. 
// All rights reserved.
//-----------------------------------------------------------------------------

using System;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.Data;

/// <summary>
/// Summary description for FormMain.
/// </summary>

public class FormMain : System.Windows.Forms.Form
{
   internal System.Windows.Forms.Button cmdCancel;
   internal System.Windows.Forms.Button cmdAddTask;
   internal System.Windows.Forms.ComboBox cboxTasks;
   internal System.Windows.Forms.TextBox txtTaskActual;
   internal System.Windows.Forms.TextBox txtTaskEstimated;
   internal System.Windows.Forms.TextBox txtTaskName;
   internal System.Windows.Forms.TextBox txtTaskStart;
   internal System.Windows.Forms.TextBox txtTaskEnd;
   internal System.Windows.Forms.TextBox txtTaskNo;
   internal System.Windows.Forms.Label lblProjEnd;
   internal System.Windows.Forms.Label lblProjName;
   internal System.Windows.Forms.Button cmdNewTask;
   internal System.Windows.Forms.Label lblProjStart;
   private System.Windows.Forms.MainMenu mainMenu1;

   public FormMain()
   {
      //
      // Required for Windows Form Designer support
      //
      InitializeComponent();

      //
      // TODO: Add any constructor code after InitializeComponent call
      //
   }
   /// <summary>
   /// Clean up any resources being used.
   /// </summary>
   protected override void Dispose( bool disposing )
   {
      base.Dispose( disposing );
   }
   #region Windows Form Designer generated code
   /// <summary>
   /// Required method for Designer support - do not modify
   /// the contents of this method with the code editor.
   /// </summary>
   private void InitializeComponent()
   {
      this.mainMenu1 = new System.Windows.Forms.MainMenu();
      this.cmdCancel = new System.Windows.Forms.Button();
      this.cmdAddTask = new System.Windows.Forms.Button();
      this.cboxTasks = new System.Windows.Forms.ComboBox();
      this.txtTaskActual = new System.Windows.Forms.TextBox();
      this.txtTaskEstimated = new System.Windows.Forms.TextBox();
      this.txtTaskName = new System.Windows.Forms.TextBox();
      this.txtTaskStart = new System.Windows.Forms.TextBox();
      this.txtTaskEnd = new System.Windows.Forms.TextBox();
      this.txtTaskNo = new System.Windows.Forms.TextBox();
      this.lblProjEnd = new System.Windows.Forms.Label();
      this.lblProjName = new System.Windows.Forms.Label();
      this.cmdNewTask = new System.Windows.Forms.Button();
      this.lblProjStart = new System.Windows.Forms.Label();
      // 
      // cmdCancel
      // 
      this.cmdCancel.Location = new System.Drawing.Point(164, 237);
      this.cmdCancel.Text = "&Cancel";
      this.cmdCancel.Click += new System.EventHandler(this.cmdCancel_Click);
      // 
      // cmdAddTask
      // 
      this.cmdAddTask.Location = new System.Drawing.Point(4, 237);
      this.cmdAddTask.Text = "Add &Task";
      this.cmdAddTask.Click += new System.EventHandler(this.cmdAddTask_Click);
      // 
      // cboxTasks
      // 
      this.cboxTasks.Location = new System.Drawing.Point(12, 197);
      this.cboxTasks.Size = new System.Drawing.Size(224, 22);
      this.cboxTasks.SelectedIndexChanged += new System.EventHandler(this.cboxTasks_SelectedIndexChanged);
      // 
      // txtTaskActual
      // 
      this.txtTaskActual.Location = new System.Drawing.Point(204, 165);
      this.txtTaskActual.Size = new System.Drawing.Size(32, 22);
      this.txtTaskActual.Text = "";
      // 
      // txtTaskEstimated
      // 
      this.txtTaskEstimated.Location = new System.Drawing.Point(164, 165);
      this.txtTaskEstimated.Size = new System.Drawing.Size(32, 22);
      this.txtTaskEstimated.Text = "";
      // 
      // txtTaskName
      // 
      this.txtTaskName.Location = new System.Drawing.Point(12, 165);
      this.txtTaskName.Size = new System.Drawing.Size(144, 22);
      this.txtTaskName.Text = "";
      // 
      // txtTaskStart
      // 
      this.txtTaskStart.Location = new System.Drawing.Point(100, 133);
      this.txtTaskStart.Size = new System.Drawing.Size(64, 22);
      this.txtTaskStart.Text = "";
      this.txtTaskStart.Validating += new System.ComponentModel.CancelEventHandler(this.txtTaskDates_Validating);
      // 
      // txtTaskEnd
      // 
      this.txtTaskEnd.Location = new System.Drawing.Point(172, 133);
      this.txtTaskEnd.Size = new System.Drawing.Size(64, 22);
      this.txtTaskEnd.Text = "";
      this.txtTaskEnd.Validating += new System.ComponentModel.CancelEventHandler(this.txtTaskDates_Validating);
      // 
      // txtTaskNo
      // 
      this.txtTaskNo.Location = new System.Drawing.Point(12, 133);
      this.txtTaskNo.Size = new System.Drawing.Size(40, 22);
      this.txtTaskNo.Text = "";
      // 
      // lblProjEnd
      // 
      this.lblProjEnd.Location = new System.Drawing.Point(196, 13);
      this.lblProjEnd.Size = new System.Drawing.Size(40, 20);
      this.lblProjEnd.TextChanged += new System.EventHandler(this.lblProjEnd_TextChanged);
      // 
      // lblProjName
      // 
      this.lblProjName.Location = new System.Drawing.Point(20, 13);
      this.lblProjName.Size = new System.Drawing.Size(120, 20);
      // 
      // cmdNewTask
      // 
      this.cmdNewTask.Location = new System.Drawing.Point(84, 237);
      this.cmdNewTask.Text = "New &Task";
      this.cmdNewTask.Click += new System.EventHandler(this.cmdNewTask_Click);
      // 
      // lblProjStart
      // 
      this.lblProjStart.Location = new System.Drawing.Point(148, 13);
      this.lblProjStart.Size = new System.Drawing.Size(40, 20);
      // 
      // FormMain
      // 
      this.Controls.Add(this.cmdCancel);
      this.Controls.Add(this.cmdAddTask);
      this.Controls.Add(this.cboxTasks);
      this.Controls.Add(this.txtTaskActual);
      this.Controls.Add(this.txtTaskEstimated);
      this.Controls.Add(this.txtTaskName);
      this.Controls.Add(this.txtTaskStart);
      this.Controls.Add(this.txtTaskEnd);
      this.Controls.Add(this.txtTaskNo);
      this.Controls.Add(this.lblProjEnd);
      this.Controls.Add(this.lblProjName);
      this.Controls.Add(this.cmdNewTask);
      this.Controls.Add(this.lblProjStart);
      this.Menu = this.mainMenu1;
      this.Text = "Time Tracker";
      this.Load += new System.EventHandler(this.FormMain_Load);

   }
   #endregion

   /// <summary>
   /// The main entry point for the application.
   /// </summary>

   static void Main() 
   {
      Application.Run(new FormMain());
   }

   #region Database struct Simulated
   private struct Project
   {
      public string  strProjNo;
      public string  strProjName;
      public DateTime dateProjStart;
      public DateTime dateProjEnd;
      public int ctProjTasks;
      public string  strProjComments;

      public Project( string  strNo,  string  strName,  
         DateTime dateStart,  DateTime dateEnd,  
         int ctTasks,  string  strComments) 
      {
         strProjNo = strNo;
         strProjName = strName;
         dateProjStart = dateStart;
         dateProjEnd = dateEnd;
         ctProjTasks = ctTasks;
         strProjComments = strComments;
      }
   } 

   private struct Task
   {
      private string  m_strTaskIdent;
      private string  m_strTaskName;
      public DateTime dateTaskStart;
      public DateTime dateTaskEnd;
      public int durTaskEstimated;  //  In hours;
      public int durTaskActual;     //  In hours;
      public string  strTaskComments;

      public string strTaskIdent  
      {
         get 
         {
            return m_strTaskIdent;
         }
         set 
         {
            m_strTaskIdent = value;
         }
      }
      public string strTaskName  
      {
         get 
         {
            return m_strTaskName;
         }
         set 
         {
            m_strTaskName = value;
         }
      }

      public Task( string strNo, string strName,  
         DateTime dateStart,  DateTime dateEnd,  
         int durEstimated,  int durActual,  
         string  strComments) 
      {
         m_strTaskIdent = strNo;
         m_strTaskName = strName;
         dateTaskStart = dateStart;
         dateTaskEnd = dateEnd;
         durTaskEstimated = durEstimated;
         durTaskActual = durActual;
         strTaskComments = strComments;
      }
   }

   #endregion

   private Project theProject;
   private ArrayList alTasks = new ArrayList();

   //  A control to be created later
   private TextBox txtTaskComments;

   //  The index number of the previous task.  We will
   //     need to know it in case the users cancels out 
   //     during task creation.
   private int ixTaskPrev;

   private void FormMain_Load(object sender, System.EventArgs e)
   {
      //  set { the initial state of the controls.
      InitControlState();

      //  Load and display a project.
      if ( LoadProject(42) ) 
      {
         DisplayProject();
      } 
      else 
      {
         this.Close();
      }
   }

   private void cmdNewTask_Click(object sender, 
                                 System.EventArgs e)
   {
      lblProjName.Enabled = !lblProjName.Enabled;
      //  Save the index number of the previous task.  We will
      //     need to know it in case the users cancels out