C#中ListView添加系统文件图标

[bnmjjs]

C#中ListView添加系统文件图标

[bnmjstu]

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"));
}阅读(965)|评论(3)|收藏(0)|打印|举报

[bzcode]

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"));
}