Help2.DisplayTopicFromKeyword(String) Method

Reference

Definition

Namespace:: Microsoft.VisualStudio.VSHelp80

Assembly:: Microsoft.VisualStudio.VSHelp80.dll

Assembly:: Microsoft.VisualStudio.Interop.dll

Package:: Microsoft.VisualStudio.Interop v17.12.40391

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Performs a lookup by using the K-keyword index.

public:
 void DisplayTopicFromKeyword(System::String ^ pszKeyword);

public:
 void DisplayTopicFromKeyword(Platform::String ^ pszKeyword);

void DisplayTopicFromKeyword(std::wstring const & pszKeyword);

[System.Runtime.InteropServices.DispId(9)]
public void DisplayTopicFromKeyword (string pszKeyword);

[<System.Runtime.InteropServices.DispId(9)>]
abstract member DisplayTopicFromKeyword : string -> unit

Public Sub DisplayTopicFromKeyword (pszKeyword As String)

Parameters

pszKeyword: String

K-keyword index of the Help topic to find and display.

Implements

DisplayTopicFromKeyword(String)

Attributes: DispIdAttribute

Examples

Create a Visual Studio add-in by using Visual C# as described in How to: Create an Add-In. Add references to Microsoft.VisualStudio.VSHelp, Microsoft.VisualStudio.VSHelp80, and System.Windows.Forms. Replace the code in the OnConnection method in the Connect.cs file with the following code. Run the code example as described in How to: Compile and Run the Automation Object Model Code Examples.

using System;  
using Extensibility;  
using EnvDTE;  
using EnvDTE80;  
using Microsoft.VisualStudio.VSHelp;  
using Microsoft.VisualStudio.VSHelp80;  
using System.Windows.Forms;  

public void OnConnection(object application,  
ext_ConnectMode connectMode, object addInInst, ref Array custom)  
{  
    _applicationObject = (DTE2)application;  
    _addInInstance = (AddIn)addInInst;  
    HelpDisplayFromKeywordExample(_applicationObject);  
}  

public void HelpDisplayFromKeywordExample(DTE2 dte)  
{  
    // This opens Document Explorer and   
    // displays the topic specified  
    // by the K keyword.  
    try  
    {  
        Microsoft.VisualStudio.VSHelp80.Help2 help2 =  
(Microsoft.VisualStudio.VSHelp80.Help2)_applicationObject.GetObject ("Help2");  

        // Display the Arrays topic.  
        help2.DisplayTopicFromKeyword("arrays");  
    }  

    catch (SystemException ex)  
    {  
        MessageBox.Show("ERROR: " + ex);  
    }  
}

Remarks

If only one match is found then Document Explorer displays the topic.

Applies to

通过