C#中ListView添加系统文件图标

using System.Runtime.InteropServices;

 

public static uint SHGFI_ICON = 0x100;                     

public static uint SHGFI_DISPLAYNAME = 0x200;              

public static uint SHGFI_TYPENAME = 0x400;                 

public static uint SHGFI_ATTRIBUTES = 0x800;               

public static uint SHGFI_ICONLOCATION = 0x1000;            

public static uint SHGFI_EXETYPE = 0x2000;                  

public static uint SHGFI_SYSICONINDEX = 0x4000;            

public static uint SHGFI_LINKOVERLAY = 0x8000;             

public static uint SHGFI_SELECTED = 0x10000;               

public static uint SHGFI_LARGEICON = 0x0;                  

public static uint SHGFI_SMALLICON = 0x1;                  

public static uint SHGFI_OPENICON = 0x2;                   

public static uint SHGFI_SHELLICONSIZE = 0x4;              

public static uint SHGFI_PIDL = 0x8;                       

public static uint SHGFI_USEFILEATTRIBUTES = 0x10;         

 

public static uint FILE_ATTRIBUTE_NORMAL = 0x80;

public static uint LVM_FIRST = 0x1000;

public static uint LVM_SETIMAGELIST = LVM_FIRST + 3;

public static uint LVSIL_NORMAL = 0;

public static uint LVSIL_SMALL = 1;

 

[DllImport("Shell32.dll")]

public static extern IntPtr SHGetFileInfo(string pszPath,

    uint dwFileAttributes, ref SHFILEINFO psfi,

    int cbfileInfo, uint uFlags);

 

public struct SHFILEINFO

{

    public IntPtr hIcon;

    public int iIcon;

    public int dwAttributes;

    public string szDisplayName;

    public string szTypeName;

}

 

[DllImport("User32.DLL")]

public static extern int SendMessage(IntPtr hWnd,

    uint Msg, IntPtr wParam, IntPtr lParam);

 

public void ListViewSysImages(ListView AListView)

{

    SHFILEINFO vFileInfo = new SHFILEINFO();

    IntPtr vImageList = SHGetFileInfo("", 0, ref vFileInfo,

        Marshal.SizeOf(vFileInfo), SHGFI_SHELLICONSIZE |

        SHGFI_SYSICONINDEX | SHGFI_LARGEICON);

 

    SendMessage(AListView.Handle, LVM_SETIMAGELIST, (IntPtr)LVSIL_NORMAL,

        vImageList);

 

    vImageList = SHGetFileInfo("", 0, ref vFileInfo,

        Marshal.SizeOf(vFileInfo), SHGFI_SHELLICONSIZE |

        SHGFI_SYSICONINDEX | SHGFI_SMALLICON);

    SendMessage(AListView.Handle, LVM_SETIMAGELIST, (IntPtr)LVSIL_SMALL,

        vImageList);

}

 

public int FileIconIndex(string AFileName)

{

    SHFILEINFO vFileInfo = new SHFILEINFO();

    SHGetFileInfo(AFileName, 0, ref vFileInfo,

        Marshal.SizeOf(vFileInfo), SHGFI_SYSICONINDEX);

    return vFileInfo.iIcon;

}

 

private void button1_Click(object sender, EventArgs e)

{

    ListViewSysImages(listView1);

    listView1.Items.Add("temp.txt", FileIconIndex(@"c:/temp/temp.txt"));

}