获取带有应用程序图标的已安装程序列表 [英] Get a list of installed programs with application icons

问题描述

我需要使用应用程序图标获取本地计算机上已安装程序的列表.下面是用于获取已安装程序列表和已安装目录路径的代码片段.

I need to get a list of installed program on local machine with application icons. Below is the code snippet that am using to get the list of installed program and installed directory path.

/// <summary>
    /// Gets a list of installed software and, if known, the software's install path.
    /// </summary>
    /// <returns></returns>
    private string Getinstalledsoftware()
    {
        //Declare the string to hold the list:
        string Software = null;

        //The registry key:
        string SoftwareKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";
        using (RegistryKey rk = Registry.LocalMachine.OpenSubKey(SoftwareKey))
        {
            //Let's go through the registry keys and get the info we need:
            foreach (string skName in rk.GetSubKeyNames())
            {
                using (RegistryKey sk = rk.OpenSubKey(skName))
                {
                    try
                    {
                        //If the key has value, continue, if not, skip it:
                        if (!(sk.GetValue("DisplayName") == null))
                        {
                            //Is the install location known?
                            if (sk.GetValue("InstallLocation") == null)
                                Software += sk.GetValue("DisplayName") + " - Install path not known\n"; //Nope, not here.
                            else
                                Software += sk.GetValue("DisplayName") + " - " + sk.GetValue("InstallLocation") + "\n"; //Yes, here it is...
                        }
                    }
                    catch (Exception ex)
                    {
                        //No, that exception is not getting away... :P
                    }
                }
            }
        }

        return Software;
    }

现在的问题是如何获取已安装的应用程序图标?

Now the issue is how i can get the installed application icon ?

提前致谢.

推荐答案

要确定它是否是更新，将有一个名为 IsMinorUpgrade 的键.这是存在的并设置为 1 以进行更新.如果它是 0 或不存在，则它不是更新.

To determine if its an update, there will be a key called IsMinorUpgrade. This is present and set to a 1 for updates. If it's 0 or not present, then it's not an update.

要从可执行文件中获取图标，请使用以下代码:

To get an icon from an executable, use this code:

VB:

Public Function IconFromFilePath(filePath As String) As Icon 
    Dim result As Icon = Nothing 
    Try 
        result = Icon.ExtractAssociatedIcon(filePath) 
    Catch ''# swallow and return nothing. You could supply a default Icon here as well 
    End Try 
    Return result 
End Function 

C#:

public Icon IconFromFilePath(string filePath)
{
    Icon result = null;
    try {
        result = Icon.ExtractAssociatedIcon(filePath);
    } catch { }
    return result;
}

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