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"));

}