I have a program that I need the click events for buttons in another class other than than the form class. I have all my code below (which I just realized I posted earlier in the wrong MSDN forum)
How would I go about calling the events in the other class when the button is clicked?
Thank you.
frmExamScoreFile (the actual form)
Indicies
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Configuration;
using System.Windows;
namespace files
{
public partial class Indicies : frmExamScoreFile
{
protected int TextBoxCount = 2;
public enum TextBoxIndicies
{
NAME,
SCORE
}
public Indicies()
{
InitializeComponent();
}
public void ClearTextBoxes()
{
txtName.Text = "";
txtScore.Text = "";
}
public void SetTextBoxValues(string[] values)
{
if (values.Length != TextBoxCount)
{
throw (new ArgumentException("There must be " + (TextBoxCount + 1) + " strings in the array"));
}
else
{
txtName.Text = values[(int)TextBoxIndicies.NAME];
txtScore.Text = values[(int)TextBoxIndicies.SCORE];
}
}
public string[] GetTextBoxValues()
{
string[] values = new string[TextBoxCount];
values[(int)TextBoxIndicies.NAME] = txtName.Text;
values[(int)TextBoxIndicies.SCORE] = txtScore.Text;
return values;
}
}
}Program
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace files
{
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new frmExamScoreFile());
}
}
}ReadFile
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.IO;
using System.Configuration;
using System.Windows;
namespace files
{
public partial class ReadFile : Indicies
{
private StreamReader fileReader;
public ReadFile()
{
InitializeComponent();
}
private void btnOpen_Click(object sender, EventArgs e)
{
DialogResult result;
string fileName;
using (OpenFileDialog fileChooser = new OpenFileDialog())
{
result = fileChooser.ShowDialog();
fileName = fileChooser.FileName;
}
if (result == DialogResult.OK)
{
ClearTextBoxes();
if (fileName == string.Empty)
MessageBox.Show("Invalid File Name", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
else
{
try
{
FileStream input = new FileStream(fileName, FileMode.Open, FileAccess.Read);
fileReader = new StreamReader(input);
btnOpen.Enabled = false;
btnNext.Enabled = true;
}
catch (IOException)
{
MessageBox.Show("Error reading from file", "File Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
public void btnNext_Click(object sender, EventArgs e)
{
try
{
string inputRecord = fileReader.ReadLine();
string[] inputFields;
if ( inputRecord != null )
{
inputFields = inputRecord.Split(',');
Record record = new Record( Convert.ToString(inputFields[0]), Convert.ToInt32(inputFields[1]) );
SetTextBoxValues ( inputFields );
}
else
{
fileReader.Close();
btnOpen.Enabled = true;
btnNext.Enabled = false;
ClearTextBoxes();
MessageBox.Show("No more records in file");
}
}
catch ( IOException )
{
MessageBox.Show("Error Reading from File");
}
}
}
}CreateFileForm
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Configuration;
using System.Windows;
namespace files
{
public partial class CreateFileForm : Indicies
{
private StreamWriter fileWriter;
public CreateFileForm()
{
InitializeComponent();
}
private void btnNew_Click(object sender, EventArgs e)
{
DialogResult result;
string fileName;
using (SaveFileDialog fileChooser = new SaveFileDialog())
{
fileChooser.CheckFileExists = false;
result = fileChooser.ShowDialog();
fileName = fileChooser.FileName;
}
if (result == DialogResult.OK)
{
if (fileName == string.Empty)
MessageBox.Show("Invalid File Name", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
else
{
try
{
FileStream output = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.Write);
fileWriter = new StreamWriter(output);
btnNew.Enabled = false;
btnAdd.Enabled = true;
}
catch (IOException)
{
MessageBox.Show("Error Opening file", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}
public void btnAdd_Click(object sender, EventArgs e)
{
string[] values = GetTextBoxValues();
Record record = new Record();
if (values[(int)TextBoxIndicies.NAME] != string.Empty)
{
try
{
int Name = Int32.Parse(values[(int)TextBoxIndicies.NAME]);
if (Name > 0)
{
record.Name = Convert.ToString(Name);
record.Score = Convert.ToInt32(values[(int)TextBoxIndicies.SCORE]);
fileWriter.WriteLine(record.Name + "," + record.Score);
}
else
{
MessageBox.Show("Invalid Account Number");
}
}
catch (IOException)
{
MessageBox.Show("Error Writing to File");
}
catch ( FormatException)
{
MessageBox.Show("Invalid Format");
}
}
ClearTextBoxes();
}
}
}Form1.Designer
namespace files
{
partial class frmExamScoreFile
{
/// <summary>
/// Required designer variable.
/// </summary>
public System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
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>
public void InitializeComponent()
{
this.lblName = new System.Windows.Forms.Label();
this.txtName = new System.Windows.Forms.TextBox();
this.lblScore = new System.Windows.Forms.Label();
this.txtScore = new System.Windows.Forms.TextBox();
this.btnNew = new System.Windows.Forms.Button();
this.btnOpen = new System.Windows.Forms.Button();
this.btnClose = new System.Windows.Forms.Button();
this.btnAdd = new System.Windows.Forms.Button();
this.btnNext = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// lblName
//
this.lblName.AutoSize = true;
this.lblName.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.lblName.Location = new System.Drawing.Point(77, 41);
this.lblName.Name = "lblName";
this.lblName.Size = new System.Drawing.Size(51, 20);
this.lblName.TabIndex = 0;
this.lblName.Text = "Name";
//
// txtName
//
this.txtName.Location = new System.Drawing.Point(134, 41);
this.txtName.Name = "txtName";
this.txtName.Size = new System.Drawing.Size(179, 20);
this.txtName.TabIndex = 1;
//
// lblScore
//
this.lblScore.AutoSize = true;
this.lblScore.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F);
this.lblScore.Location = new System.Drawing.Point(77, 73);
this.lblScore.Name = "lblScore";
this.lblScore.Size = new System.Drawing.Size(51, 20);
this.lblScore.TabIndex = 2;
this.lblScore.Text = "Score";
//
// txtScore
//
this.txtScore.Location = new System.Drawing.Point(134, 72);
this.txtScore.Name = "txtScore";
this.txtScore.Size = new System.Drawing.Size(100, 20);
this.txtScore.TabIndex = 3;
//
// btnNew
//
this.btnNew.Location = new System.Drawing.Point(39, 126);
this.btnNew.Name = "btnNew";
this.btnNew.Size = new System.Drawing.Size(75, 51);
this.btnNew.TabIndex = 4;
this.btnNew.Text = "New File";
this.btnNew.UseVisualStyleBackColor = true;
//
// btnOpen
//
this.btnOpen.Location = new System.Drawing.Point(176, 126);
this.btnOpen.Name = "btnOpen";
this.btnOpen.Size = new System.Drawing.Size(75, 51);
this.btnOpen.TabIndex = 5;
this.btnOpen.Text = "Open File";
this.btnOpen.UseVisualStyleBackColor = true;
//
// btnClose
//
this.btnClose.Location = new System.Drawing.Point(313, 126);
this.btnClose.Name = "btnClose";
this.btnClose.Size = new System.Drawing.Size(75, 51);
this.btnClose.TabIndex = 6;
this.btnClose.Text = "Close";
this.btnClose.UseVisualStyleBackColor = true;
//
// btnAdd
//
this.btnAdd.Location = new System.Drawing.Point(101, 207);
this.btnAdd.Name = "btnAdd";
this.btnAdd.Size = new System.Drawing.Size(75, 51);
this.btnAdd.TabIndex = 7;
this.btnAdd.Text = "Add Record";
this.btnAdd.UseVisualStyleBackColor = true;
//
// btnNext
//
this.btnNext.Location = new System.Drawing.Point(250, 207);
this.btnNext.Name = "btnNext";
this.btnNext.Size = new System.Drawing.Size(75, 51);
this.btnNext.TabIndex = 8;
this.btnNext.Text = "Next Record";
this.btnNext.UseVisualStyleBackColor = true;
this.btnNext.Click += new System.EventHandler(this.btnNext_Click);*/
/*ReadFile readFile = new ReadFile();
this.btnNext.Click += new System.EventHandler(readFile.btnNext_Click);*/
//
// frmExamScoreFile
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(427, 285);
this.Controls.Add(this.btnNext);
this.Controls.Add(this.btnAdd);
this.Controls.Add(this.btnClose);
this.Controls.Add(this.btnOpen);
this.Controls.Add(this.btnNew);
this.Controls.Add(this.txtScore);
this.Controls.Add(this.lblScore);
this.Controls.Add(this.txtName);
this.Controls.Add(this.lblName);
this.Name = "frmExamScoreFile";
this.Text = "Exam Score File";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
public System.Windows.Forms.Label lblName;
public System.Windows.Forms.TextBox txtName;
public System.Windows.Forms.Label lblScore;
public System.Windows.Forms.TextBox txtScore;
public System.Windows.Forms.Button btnNew;
public System.Windows.Forms.Button btnOpen;
public System.Windows.Forms.Button btnClose;
public System.Windows.Forms.Button btnAdd;
public System.Windows.Forms.Button btnNext;
}
}