public static extern int SHGetStockIconInfo(SHSTOCKICONID siid, SHGSI uFlags, ref SHSTOCKICONINFO psii);
protected virtual Image GetVolumeIcon(VolumeType volumeType, char driveChar, ref Size size)
{
int iconIndex = 0;
SHSTOCKICONID siid = SHSTOCKICONID.SIID_DRIVEUNKNOWN;
switch (volumeType)
{
case VolumeType.Removable:
if ((driveChar != 'A') && (driveChar != 'B'))
{
iconIndex = 7;
siid = SHSTOCKICONID.SIID_DRIVEREMOVE;
break;
}
iconIndex = 6;
siid = SHSTOCKICONID.SIID_DRIVE35;
break;
case VolumeType.Fixed:
iconIndex = 8;
siid = SHSTOCKICONID.SIID_DRIVEFIXED;
break;
case VolumeType.Network:
iconIndex = 9;
siid = SHSTOCKICONID.SIID_DRIVENET;
break;
case VolumeType.CDRom:
iconIndex = 11;
siid = SHSTOCKICONID.SIID_DRIVECD;
break;
case VolumeType.Ram:
iconIndex = 12;
siid = SHSTOCKICONID.SIID_DRIVERAM;
break;
case VolumeType.DVDRom:
iconIndex = 0xb1;
siid = SHSTOCKICONID.SIID_DRIVEDVD;
break;
case VolumeType.Floppy3:
iconIndex = 6;
siid = SHSTOCKICONID.SIID_DRIVE35;
break;
case VolumeType.Floppy5:
iconIndex = 5;
siid = SHSTOCKICONID.SIID_DRIVE525;
break;
case VolumeType.Flash:
iconIndex = OS.IsWinXP ? 0xbd : 7;
siid = SHSTOCKICONID.SIID_MEDIACOMPACTFLASH;
break;
}
if (OS.IsWinVista)
{
SHSTOCKICONINFO shstockiconinfo;
shstockiconinfo = new SHSTOCKICONINFO {
cbSize = Marshal.SizeOf(shstockiconinfo)
};
if (HRESULT.SUCCEEDED(Shell32.SHGetStockIconInfo(siid, SHGSI.SHGSI_ICONLOCATION, ref shstockiconinfo)))
{
return LoadIconFromLocation2(new IconLocation(shstockiconinfo.szPath, shstockiconinfo.iIcon), ref size);
}
}
return LoadShellDllIcon(iconIndex, size);
}
public override Image GetDefaultIcon(DefaultIcon icon, Size size)
{
Image image;
if (OS.IsWinVista)
{
SHSTOCKICONID siid = SHSTOCKICONID.SIID_INVALID;
switch (icon)
{
case DefaultIcon.UnknownFile:
siid = SHSTOCKICONID.SIID_DOCNOASSOC;
break;
case DefaultIcon.DefaultDocument:
siid = SHSTOCKICONID.SIID_DOCASSOC;
break;
case DefaultIcon.DefaultApplication:
siid = SHSTOCKICONID.SIID_APPLICATION;
break;
case DefaultIcon.Drive:
siid = SHSTOCKICONID.SIID_DRIVEUNKNOWN;
break;
case DefaultIcon.Folder:
siid = SHSTOCKICONID.SIID_FOLDER;
break;
case DefaultIcon.MyComputer:
siid = SHSTOCKICONID.SIID_DESKTOPPC;
break;
case DefaultIcon.NetworkNeighborhood:
siid = SHSTOCKICONID.SIID_WORLD;
break;
case DefaultIcon.EntireNetwork:
siid = SHSTOCKICONID.SIID_MYNETWORK;
break;
case DefaultIcon.NetworkServer:
siid = SHSTOCKICONID.SIID_SERVER;
break;
case DefaultIcon.NetworkFolder:
siid = SHSTOCKICONID.SIID_SERVERSHARE;
break;
case DefaultIcon.OverlayLink:
siid = SHSTOCKICONID.SIID_LINK;
break;
case DefaultIcon.OverlayShare:
siid = SHSTOCKICONID.SIID_SHARE;
break;
}
if (siid != SHSTOCKICONID.SIID_INVALID)
{
SHSTOCKICONINFO shstockiconinfo;
shstockiconinfo = new SHSTOCKICONINFO {
cbSize = Marshal.SizeOf(shstockiconinfo)
};
if (HRESULT.SUCCEEDED(Shell32.SHGetStockIconInfo(siid, SHGSI.SHGSI_ICONLOCATION, ref shstockiconinfo)))
{
return LoadIconFromLocation2(new IconLocation(shstockiconinfo.szPath, shstockiconinfo.iIcon), ref size);
}
}
}
switch (icon)
{
case DefaultIcon.UnknownFile:
return GetDefaultContainerIcon("Unknown", 0, ref size);
case DefaultIcon.DefaultDocument:
return LoadShellDllIcon(1, size);
case DefaultIcon.DefaultApplication:
return LoadShellDllIcon(2, size);
case DefaultIcon.Desktop:
return LoadShellDllIcon(0x22, size);
case DefaultIcon.Drive:
return GetDefaultContainerIcon("Drive", 8, ref size);
case DefaultIcon.Favorites:
return GetClsidIcon(CLSID.CLSID_FAVORITES, 0x2b, size);
case DefaultIcon.Folder:
return GetDefaultContainerIcon("Folder", 3, ref size);
case DefaultIcon.MyComputer:
return GetClsidIcon(CLSID.CLSID_MYCOMPUTER, 15, size);
case DefaultIcon.MyDocuments:
return GetClsidIcon(CLSID.CLSID_MYDOCUMENTS, OS.IsWinXP ? -235 : 20, size);
case DefaultIcon.MyPictures:
case DefaultIcon.MyMusic:
case DefaultIcon.MyVideos:
if (!OS.IsWinXP)
{
goto Label_0282;
}
image = null;
switch (icon)
{
case DefaultIcon.MyPictures:
image = LoadShellDllIcon(-236, size);
break;
case DefaultIcon.MyMusic:
image = LoadShellDllIcon(-237, size);
break;
case DefaultIcon.MyVideos:
image = LoadShellDllIcon(-238, size);
break;
}
break;
case DefaultIcon.SearchFolder:
return LoadShellDllIcon(0x2d, size);
case DefaultIcon.NetworkNeighborhood:
return GetClsidIcon(CLSID.CLSID_NETWORK_NEIGHBORHOOD, 0x11, size);
case DefaultIcon.EntireNetwork:
return LoadShellDllIcon(13, size);
case DefaultIcon.NetworkWorkgroup:
return LoadShellDllIcon(0x12, size);
case DefaultIcon.NetworkProvider:
return LoadShellDllIcon(14, size);
case DefaultIcon.NetworkServer:
return LoadShellDllIcon(15, size);
case DefaultIcon.NetworkFolder:
if (!OS.IsWinME && !OS.IsWin2k)
{
return GetDefaultContainerIcon("Folder", 3, ref size);
}
return LoadShellDllIcon(-172, size);
case DefaultIcon.OverlayLink:
return LoadShellDllIcon(0x1d, size);
case DefaultIcon.OverlayShare:
return LoadShellDllIcon(0x1c, size);
case DefaultIcon.OverlayUnreadable:
return null;
default:
throw new InvalidEnumArgumentException();
}
if (image != null)
{
return image;
}
Label_0282:
return GetDefaultContainerIcon("Folder", 3, ref size);
}
public override Image GetDefaultIcon(DefaultIcon icon, Size size)
{
Image specialFolderIcon = null;
IDictionary<Size, Image> dictionary;
Dictionary<DefaultIcon, IDictionary<Size, Image>> dictionary2;
lock ((dictionary2 = this.DefaultIconCache))
{
if (this.DefaultIconCache.TryGetValue(icon, out dictionary))
{
if (dictionary == null)
{
return null;
}
if (dictionary.TryGetValue(size, out specialFolderIcon))
{
return specialFolderIcon;
}
}
}
if (OS.IsWinVista)
{
SHSTOCKICONID siid = SHSTOCKICONID.SIID_INVALID;
switch (icon)
{
case DefaultIcon.UnknownFile:
siid = SHSTOCKICONID.SIID_DOCNOASSOC;
break;
case DefaultIcon.DefaultDocument:
siid = SHSTOCKICONID.SIID_DOCASSOC;
break;
case DefaultIcon.DefaultApplication:
siid = SHSTOCKICONID.SIID_APPLICATION;
break;
case DefaultIcon.Drive:
siid = SHSTOCKICONID.SIID_DRIVEUNKNOWN;
break;
case DefaultIcon.Folder:
siid = SHSTOCKICONID.SIID_FOLDER;
break;
case DefaultIcon.MyComputer:
siid = SHSTOCKICONID.SIID_DESKTOPPC;
break;
case DefaultIcon.NetworkNeighborhood:
siid = SHSTOCKICONID.SIID_WORLD;
break;
case DefaultIcon.EntireNetwork:
siid = SHSTOCKICONID.SIID_MYNETWORK;
break;
case DefaultIcon.NetworkServer:
siid = SHSTOCKICONID.SIID_SERVER;
break;
case DefaultIcon.NetworkFolder:
siid = SHSTOCKICONID.SIID_SERVERSHARE;
break;
case DefaultIcon.OverlayLink:
siid = SHSTOCKICONID.SIID_LINK;
break;
case DefaultIcon.OverlayShare:
siid = SHSTOCKICONID.SIID_SHARE;
break;
}
if (siid != SHSTOCKICONID.SIID_INVALID)
{
SHSTOCKICONINFO shstockiconinfo;
shstockiconinfo = new SHSTOCKICONINFO {
cbSize = Marshal.SizeOf(shstockiconinfo)
};
if (HRESULT.SUCCEEDED(Shell32.SHGetStockIconInfo(siid, SHGSI.SHGSI_ICON | ((size.Height < 0x20) ? SHGSI.SHGSI_SMALLICON : SHGSI.SHGSI_ICONLOCATION), ref shstockiconinfo)))
{
specialFolderIcon = IconToImage(shstockiconinfo.hIcon);
}
}
}
if (specialFolderIcon == null)
{
switch (icon)
{
case DefaultIcon.OverlayLink:
case DefaultIcon.OverlayShare:
case DefaultIcon.OverlayUnreadable:
return null;
case DefaultIcon.UnknownFile:
break;
case DefaultIcon.DefaultDocument:
specialFolderIcon = this.GetIcon("file.txt", FileAttributes.Normal, true, ref size);
break;
case DefaultIcon.DefaultApplication:
specialFolderIcon = this.GetIcon("file.exe", FileAttributes.Normal, true, ref size);
break;
case DefaultIcon.Desktop:
specialFolderIcon = this.GetIcon("file.desklink", FileAttributes.Normal, true, ref size);
break;
case DefaultIcon.Drive:
specialFolderIcon = this.GetIcon(@"c:\", FileAttributes.Directory, true, ref size);
break;
case DefaultIcon.Favorites:
specialFolderIcon = this.GetIcon(Environment.GetFolderPath(Environment.SpecialFolder.Favorites), 0, false, ref size);
break;
case DefaultIcon.Folder:
case DefaultIcon.MyPictures:
case DefaultIcon.MyMusic:
case DefaultIcon.MyVideos:
case DefaultIcon.NetworkWorkgroup:
case DefaultIcon.NetworkProvider:
case DefaultIcon.NetworkFolder:
specialFolderIcon = this.GetIcon("folder", FileAttributes.Directory, true, ref size);
break;
case DefaultIcon.MyComputer:
case DefaultIcon.NetworkServer:
specialFolderIcon = GetSpecialFolderIcon(Shell32.GetClsidFolderParseName(CLSID.CLSID_MYCOMPUTER), ref size);
break;
case DefaultIcon.MyDocuments:
specialFolderIcon = GetSpecialFolderIcon(Shell32.GetClsidFolderParseName(CLSID.CLSID_MYDOCUMENTS), ref size);
break;
case DefaultIcon.SearchFolder:
specialFolderIcon = GetSpecialFolderIcon(Shell32.GetClsidFolderParseName(CLSID.CLSID_SEARCHRESULTS), ref size);
break;
case DefaultIcon.NetworkNeighborhood:
specialFolderIcon = GetSpecialFolderIcon(Shell32.GetClsidFolderParseName(CLSID.CLSID_NETWORK_NEIGHBORHOOD), ref size);
break;
case DefaultIcon.EntireNetwork:
if (OS.IsWinVista)
{
specialFolderIcon = GetSpecialFolderIcon(Shell32.GetClsidFolderParseName(CLSID.CLSID_NETWORK), ref size);
}
else
{
specialFolderIcon = GetSpecialFolderIcon(Shell32.GetClsidFolderParseName(CLSID.CLSID_NETWORK_NEIGHBORHOOD) + Path.DirectorySeparatorChar + "EntireNetwork", ref size);
}
break;
default:
throw new InvalidEnumArgumentException();
}
if (specialFolderIcon == null)
{
specialFolderIcon = this.GetIcon("unknown", FileAttributes.Normal, true, ref size);
}
}
lock ((dictionary2 = this.DefaultIconCache))
{
if (dictionary != null)
{
dictionary.Add(size, specialFolderIcon);
}
else
{
dictionary = IconCollection.Create();
dictionary.Add(size, specialFolderIcon);
this.DefaultIconCache.Add(icon, dictionary);
}
}
return specialFolderIcon;
}
