通过

HelpProvider.SetHelpNavigator(Control, HelpNavigator) 方法

  • 参考

定义

命名空间:
System.Windows.Forms
程序集:
System.Windows.Forms.dll

指定在从帮助文件中检索指定控件的帮助信息时使用的帮助命令。

public:
 virtual void SetHelpNavigator(System::Windows::Forms::Control ^ ctl, System::Windows::Forms::HelpNavigator navigator);
public virtual void SetHelpNavigator (System.Windows.Forms.Control ctl, System.Windows.Forms.HelpNavigator navigator);
abstract member SetHelpNavigator : System.Windows.Forms.Control * System.Windows.Forms.HelpNavigator -> unit
override this.SetHelpNavigator : System.Windows.Forms.Control * System.Windows.Forms.HelpNavigator -> unit
Public Overridable Sub SetHelpNavigator (ctl As Control, navigator As HelpNavigator)

参数

ctl
Control

要为其设置帮助关键字的 Control。

navigator
HelpNavigator

HelpNavigator 值之一。

例外

InvalidEnumArgumentException

该 navigator 值不是 HelpNavigator 值之一。

示例

下面的代码示例演示如何使用 SetHelpNavigator 方法。

若要运行此示例，请将其置于包含HelpProvider命名和TextBox命名 HelpProvider1TextBox1的窗体中。 该示例要求 C：\Windows 目录中存在名为 input.chm 的帮助文件。

   //Declare the HelpProvider.
internal:
   System::Windows::Forms::HelpProvider^ HelpProvider1;

private:
   void InitializeHelpProvider()
   {
      // Construct the HelpProvider Object.
      this->HelpProvider1 = gcnew System::Windows::Forms::HelpProvider;
      
      // Set the HelpNamespace property to the Help file for 
      // HelpProvider1.
      this->HelpProvider1->HelpNamespace = "c:\\windows\\input.chm";
      
      // Specify that the Help provider should open to the table
      // of contents of the Help file.
      this->HelpProvider1->SetHelpNavigator( TextBox1, HelpNavigator::TableOfContents );
   }


//Declare the HelpProvider.
internal System.Windows.Forms.HelpProvider HelpProvider1;

private void InitializeHelpProvider()
{
    // Construct the HelpProvider Object.
    this.HelpProvider1 = new System.Windows.Forms.HelpProvider();

    // Set the HelpNamespace property to the Help file for 
    // HelpProvider1.
    this.HelpProvider1.HelpNamespace = "c:\\windows\\input.chm";

    // Specify that the Help provider should open to the table
    // of contents of the Help file.
    this.HelpProvider1.SetHelpNavigator(TextBox1, 
        HelpNavigator.TableOfContents);
}


'Declare the HelpProvider.
Friend WithEvents HelpProvider1 As System.Windows.Forms.HelpProvider


Private Sub InitializeHelpProvider()

    ' Construct the HelpProvider Object.
    Me.HelpProvider1 = New System.Windows.Forms.HelpProvider

    ' Set the HelpNamespace property to the Help file for 
    ' HelpProvider1.
    Me.HelpProvider1.HelpNamespace = "c:\windows\input.chm"

    ' Specify that the Help provider should open to the table
    ' of contents of the Help file.
    Me.HelpProvider1.SetHelpNavigator(TextBox1, _
        HelpNavigator.TableOfContents)

End Sub

适用于

另请参阅