Help2.DisplayTopicFromURL(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.

Displays a Help topic specified by the URL in Document Explorer.

public:
 void DisplayTopicFromURL(System::String ^ pszURL);

public:
 void DisplayTopicFromURL(Platform::String ^ pszURL);

void DisplayTopicFromURL(std::wstring const & pszURL);

[System.Runtime.InteropServices.DispId(7)]
public void DisplayTopicFromURL (string pszURL);

[<System.Runtime.InteropServices.DispId(7)>]
abstract member DisplayTopicFromURL : string -> unit

Public Sub DisplayTopicFromURL (pszURL As String)

Parameters

pszURL: String

String containing an URL address that is compatible with Internet Explorer.

Implements

DisplayTopicFromURL(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;  
    HelpDisplayFromURLExample(_applicationObject);  
}  

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

        // Display the Visual Studio topic.  
        help2.DisplayTopicFromURL  
("ms-help:  
//MS.VSCC.v80/MS.MSDN.v80/MS.VisualStudio.v80.en/dv_vstoc/  
html/06ddebea-2c83-4a45-bb48-6264c797ed93.htm");  

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

Remarks

DisplayTopicFromURL opens Document Explorer if it is not open already.

Applies to

通过