文件夹图标更改 [英] Folder Icon Change

问题描述

我正在使用c#函数更改文件夹图标.它的工作正常，但问题是它是第一次工作.我的意思是我无法更改已经更改了图标的文件夹的图标.这是下面的代码:

I am changing the folder icons with c# function. Its working fine but the problem is its working for first time. I mean I am not able to change the icon for the folder for which I have changed the icon already. Here is the code below:

static void Main(string[] args)
{
    LPSHFOLDERCUSTOMSETTINGS FolderSettings = new LPSHFOLDERCUSTOMSETTINGS();
    FolderSettings.dwMask = 0x10;
    FolderSettings.pszIconFile = @"C:\Program Files (x86)\Common Files\TortoiseOverlays\icons\XPStyle\ModifiedIcon.ico";
    FolderSettings.iIconIndex = 0;

    UInt32 FCS_READ = 0x00000001;
    UInt32 FCS_FORCEWRITE = 0x00000002;
    UInt32 FCS_WRITE = FCS_READ | FCS_FORCEWRITE;

    string pszPath = @"D:\Downloaded Data";
    UInt32 HRESULT = SHGetSetFolderCustomSettings(ref FolderSettings, pszPath, FCS_WRITE);
    //Console.WriteLine(HRESULT.ToString("x"));
    //Console.ReadLine();

}

[DllImport("Shell32.dll", CharSet = CharSet.Auto)]
static extern UInt32 SHGetSetFolderCustomSettings(ref LPSHFOLDERCUSTOMSETTINGS pfcs, string pszPath, UInt32 dwReadWrite);

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
struct LPSHFOLDERCUSTOMSETTINGS
{
    public UInt32 dwSize;
    public UInt32 dwMask;
    public IntPtr pvid;
    public string pszWebViewTemplate;
    public UInt32 cchWebViewTemplate;
    public string pszWebViewTemplateVersion;
    public string pszInfoTip;
    public UInt32 cchInfoTip;
    public IntPtr pclsid;
    public UInt32 dwFlags;
    public string pszIconFile;
    public UInt32 cchIconFile;
    public int iIconIndex;
    public string pszLogo;
    public UInt32 cchLogo;
}

可能是什么原因?

推荐答案

我也遇到过类似的问题.只需在第二次调用该函数之前删除desktop.ini文件即可.如果您要清除文件夹图标，则使用相同的方案:

I've faced with similar issue. Just remove the desktop.ini file before calling the function for the second time. The same scenario is used if you would like to clear folder icon:

1. 删除desktop.ini.
2. 省略以下几行:

....

FolderSettings.pszIconFile = @"{icon path}";
FolderSettings.iIconIndex = 0;

....

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