本文讲述了C# HelpProvider.SetHelpString方法代码示例！具有很好的参考价值，希望对大家有所帮助。一起跟随六星小编过来看看吧，具体如下:

本文整理汇总了C#中System.Windows.Forms.HelpProvider.SetHelpString方法的典型用法代码示例。如果您正苦于以下问题：C# HelpProvider.SetHelpString方法的具体用法？C# HelpProvider.SetHelpString怎么用？C# HelpProvider.SetHelpString使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Forms.HelpProvider的用法示例。

//引入命名空间

using System;

using System.Drawing;

using System.Windows.Forms;

public class Form1 : System.Windows.Forms.Form

{

    private System.Windows.Forms.TextBox addressTextBox;

    private System.Windows.Forms.Label label2;

    private System.Windows.Forms.TextBox cityTextBox;

    private System.Windows.Forms.Label label3;

    private System.Windows.Forms.TextBox stateTextBox;

    private System.Windows.Forms.TextBox zipTextBox;

    private System.Windows.Forms.HelpProvider helpProvider1;

    private System.Windows.Forms.Label helpLabel;

    [STAThread]

    static void Main() 

    {

        Application.Run(new Form1());

    }

    public Form1()

    {

        this.addressTextBox = new System.Windows.Forms.TextBox();

        this.helpLabel = new System.Windows.Forms.Label();

        this.label2 = new System.Windows.Forms.Label();

        this.cityTextBox = new System.Windows.Forms.TextBox();

        this.label3 = new System.Windows.Forms.Label();

        this.stateTextBox = new System.Windows.Forms.TextBox();

        this.zipTextBox = new System.Windows.Forms.TextBox();

        

        // Help Label

        this.helpLabel.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;

        this.helpLabel.Location = new System.Drawing.Point(8, 80);

        this.helpLabel.Size = new System.Drawing.Size(272, 72);

        this.helpLabel.Text = "Click the Help button in the title bar, then click a control " + 

            "to see a Help tooltip for the control.  Click on a control and press F1 to invoke " +

            "the Help system with a sample Help file.";

        // Address Label

        this.label2.Location = new System.Drawing.Point(16, 8);

        this.label2.Size = new System.Drawing.Size(100, 16);

        this.label2.Text = "Address:";

        // Comma Label

        this.label3.Location = new System.Drawing.Point(136, 56);

        this.label3.Size = new System.Drawing.Size(16, 16);

        this.label3.Text = ",";

        // Create the HelpProvider.

        this.helpProvider1 = new System.Windows.Forms.HelpProvider();

        // Tell the HelpProvider what controls to provide help for, and

        // what the help string is.

        this.helpProvider1.SetShowHelp(this.addressTextBox, true);

        this.helpProvider1.SetHelpString(this.addressTextBox, "Enter the street address in this text box.");

        this.helpProvider1.SetShowHelp(this.cityTextBox, true);

        this.helpProvider1.SetHelpString(this.cityTextBox, "Enter the city here.");

        this.helpProvider1.SetShowHelp(this.stateTextBox, true);

        this.helpProvider1.SetHelpString(this.stateTextBox, "Enter the state in this text box.");

        this.helpProvider1.SetShowHelp(this.zipTextBox, true);

        this.helpProvider1.SetHelpString(this.zipTextBox, "Enter the zip code here.");

        // Set what the Help file will be for the HelpProvider.

        this.helpProvider1.HelpNamespace = "mspaint.chm";

        // Sets properties for the different address fields.

        // Address TextBox

        this.addressTextBox.Location = new System.Drawing.Point(16, 24);

        this.addressTextBox.Size = new System.Drawing.Size(264, 20);

        this.addressTextBox.TabIndex = 0;

        this.addressTextBox.Text = "";

        // City TextBox

        this.cityTextBox.Location = new System.Drawing.Point(16, 48);

        this.cityTextBox.Size = new System.Drawing.Size(120, 20);

        this.cityTextBox.TabIndex = 3;

        this.cityTextBox.Text = "";

        // State TextBox

        this.stateTextBox.Location = new System.Drawing.Point(152, 48);

        this.stateTextBox.MaxLength = 2;

        this.stateTextBox.Size = new System.Drawing.Size(32, 20);

        this.stateTextBox.TabIndex = 5;

        this.stateTextBox.Text = "";

        // Zip TextBox

        this.zipTextBox.Location = new System.Drawing.Point(192, 48);

        this.zipTextBox.Size = new System.Drawing.Size(88, 20);

        this.zipTextBox.TabIndex = 6;

        this.zipTextBox.Text = "";

        // Add the controls to the form.

        this.Controls.AddRange(new System.Windows.Forms.Control[] {

                                    this.zipTextBox, this.stateTextBox,

                                    this.label3, this.cityTextBox,

                                    this.label2, this.helpLabel,

                                    this.addressTextBox});

        // Set the form to look like a dialog, and show the HelpButton.    

        this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;

        this.HelpButton = true;

        this.MaximizeBox = false;

        this.MinimizeBox = false;

        this.ClientSize = new System.Drawing.Size(292, 160);

        this.Text = "Help Provider Demonstration";

    }

}

示例2: PopupText

/*

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.ComponentModel;

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.ComponentModel.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.");

        }

    }

}

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