Csharp/C Sharp by API/System.Windows.Forms/HelpProvider

HelpProvider.HelpNamespace

 

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class UseHelpProviderToLoadCHMFile : Form
{
    public UseHelpProviderToLoadCHMFile()
    {
        this.listBox1 = new System.Windows.Forms.ListBox();
        this.checkBox1 = new System.Windows.Forms.CheckBox();
        this.helpProvider1 = new System.Windows.Forms.HelpProvider();
        this.SuspendLayout();
        this.listBox1.FormattingEnabled = true;
        this.listBox1.Location = new System.Drawing.Point(12, 12);
        this.listBox1.Size = new System.Drawing.Size(155, 134);
        this.checkBox1.AutoSize = true;
        this.helpProvider1.SetHelpNavigator(this.checkBox1, System.Windows.Forms.HelpNavigator.TableOfContents);
        this.checkBox1.Location = new System.Drawing.Point(194, 36);
        this.helpProvider1.SetShowHelp(this.checkBox1, true);
        this.checkBox1.Size = new System.Drawing.Size(80, 17);
        this.checkBox1.UseVisualStyleBackColor = true;
        this.helpProvider1.HelpNamespace = "C:\\YourFile.chm";
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(292, 169);
        this.Controls.Add(this.checkBox1);
        this.Controls.Add(this.listBox1);
        this.helpProvider1.SetHelpNavigator(this, System.Windows.Forms.HelpNavigator.TableOfContents);
        this.helpProvider1.SetShowHelp(this, true);
        this.ResumeLayout(false);
        this.PerformLayout();
    }
    [STAThread]
    public static void Main(string[] args)
    {
        Application.Run(new UseHelpProviderToLoadCHMFile());
    }
    private System.Windows.Forms.ListBox listBox1;
    private System.Windows.Forms.CheckBox checkBox1;
    private System.Windows.Forms.HelpProvider helpProvider1;
    
}

HelpProvider.SetHelpNavigator

 

using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class UseHelpProviderToLoadCHMFile : Form
{
    public UseHelpProviderToLoadCHMFile()
    {
        this.listBox1 = new System.Windows.Forms.ListBox();
        this.checkBox1 = new System.Windows.Forms.CheckBox();
        this.helpProvider1 = new System.Windows.Forms.HelpProvider();
        this.SuspendLayout();
        this.listBox1.FormattingEnabled = true;
        this.listBox1.Location = new System.Drawing.Point(12, 12);
        this.listBox1.Size = new System.Drawing.Size(155, 134);
        this.checkBox1.AutoSize = true;
        this.helpProvider1.SetHelpNavigator(this.checkBox1, System.Windows.Forms.HelpNavigator.TableOfContents);
        this.checkBox1.Location = new System.Drawing.Point(194, 36);
        this.helpProvider1.SetShowHelp(this.checkBox1, true);
        this.checkBox1.Size = new System.Drawing.Size(80, 17);
        this.checkBox1.UseVisualStyleBackColor = true;
        this.helpProvider1.HelpNamespace = "C:\\YourFile.chm";
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(292, 169);
        this.Controls.Add(this.checkBox1);
        this.Controls.Add(this.listBox1);
        this.helpProvider1.SetHelpNavigator(this, System.Windows.Forms.HelpNavigator.TableOfContents);
        this.helpProvider1.SetShowHelp(this, true);
        this.ResumeLayout(false);
        this.PerformLayout();
    }
    [STAThread]
    public static void Main(string[] args)
    {
        Application.Run(new UseHelpProviderToLoadCHMFile());
    }
    private System.Windows.Forms.ListBox listBox1;
    private System.Windows.Forms.CheckBox checkBox1;
    private System.Windows.Forms.HelpProvider helpProvider1;
    
}

HelpProvider.SetHelpString

  
/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald
Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
namespace PopupText
{
    /// <summary>
    /// Summary description for PopupText.
    /// </summary>
    public class PopupText : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.Button cmdDelete;
        internal System.Windows.Forms.Button cmdAdd;
        internal System.Windows.Forms.HelpProvider hlp;
        private System.Windows.Forms.Label label1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ruponentModel.Container components = null;
        public PopupText()
        {
            //
            // 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 )
        {
            if( disposing )
            {
                if (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>
        private void InitializeComponent()
        {
            this.cmdDelete = new System.Windows.Forms.Button();
            this.cmdAdd = new System.Windows.Forms.Button();
            this.hlp = new System.Windows.Forms.HelpProvider();
            this.label1 = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // cmdDelete
            // 
            this.cmdDelete.Location = new System.Drawing.Point(20, 68);
            this.cmdDelete.Name = "cmdDelete";
            this.cmdDelete.Size = new System.Drawing.Size(92, 20);
            this.cmdDelete.TabIndex = 3;
            this.cmdDelete.Text = "Delete";
            // 
            // cmdAdd
            // 
            this.cmdAdd.Location = new System.Drawing.Point(20, 16);
            this.cmdAdd.Name = "cmdAdd";
            this.cmdAdd.Size = new System.Drawing.Size(92, 20);
            this.cmdAdd.TabIndex = 2;
            this.cmdAdd.Text = "Add";
            // 
            // label1
            // 
            this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.label1.Location = new System.Drawing.Point(48, 176);
            this.label1.Name = "label1";
            this.label1.Size = new System.Drawing.Size(208, 68);
            this.label1.TabIndex = 4;
            this.label1.Text = "Tab to a button and press F1.";
            // 
            // PopupText
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
            this.ClientSize = new System.Drawing.Size(292, 266);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.label1,
                                                                          this.cmdDelete,
                                                                          this.cmdAdd});
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.Name = "PopupText";
            this.Text = "PopupText";
            this.Load += new System.EventHandler(this.PopupText_Load);
            this.ResumeLayout(false);
        }
        #endregion
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new PopupText());
        }
        private void PopupText_Load(object sender, System.EventArgs e)
        {
            hlp.SetHelpString(cmdAdd, "Choose another item from the catalog.");
        hlp.SetHelpString(cmdDelete, "Delete the selected item from your order.");
        }
    }
}