Csharp/C Sharp by API/System.Windows.Forms/HelpProvider
HelpProvider.HelpNamespace
<source lang="csharp">
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;
}
</source>
<source lang="csharp">
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;
}
</source>
HelpProvider.SetHelpString
<source lang="csharp"> /* 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."); } }
}
</source>