/// <summary>
/// Returns the index of the icon for the specified file
/// </summary>
/// <param name="fileName">Filename to get icon for</param>
/// <param name="forceLoadFromDisk">If True, then hit the disk to get the icon,
/// otherwise only hit the disk if no cached icon is available.</param>
/// <param name="iconState">Flags specifying the state of the icon
/// returned.</param>
/// <returns>Index of the icon</returns>
public int IconIndex(
string fileName,
bool forceLoadFromDisk,
ShellIconStateConstants iconState
)
{
SHGetFileInfoConstants dwFlags = SHGetFileInfoConstants.SHGFI_SYSICONINDEX;
int dwAttr = 0;
if (size == SystemImageListSize.SmallIcons)
{
dwFlags |= SHGetFileInfoConstants.SHGFI_SMALLICON;
}
// We can choose whether to access the disk or not. If you don't
// hit the disk, you may get the wrong icon if the icon is
// not cached. Also only works for files.
if (!forceLoadFromDisk)
{
dwFlags |= SHGetFileInfoConstants.SHGFI_USEFILEATTRIBUTES;
dwAttr = FILE_ATTRIBUTE_NORMAL;
}
else
{
dwAttr = 0;
}
// sFileSpec can be any file. You can specify a
// file that does not exist and still get the
// icon, for example sFileSpec = "C:\PANTS.DOC"
SHFILEINFO shfi = new SHFILEINFO();
uint shfiSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(shfi.GetType());
System.IntPtr retVal = SHGetFileInfo(
fileName, dwAttr, ref shfi, shfiSize,
((uint)(dwFlags) | (uint)iconState));
if (retVal.Equals(System.IntPtr.Zero))
{
//System.Diagnostics.Debug.Assert((!retVal.Equals(IntPtr.Zero)),"Failed to get icon index");
return(0);
}
else
{
return(shfi.iIcon);
}
}
/// <summary>
/// 根据文件扩展名得到系统扩展名的图标
/// </summary>
/// <param name="fileName">文件名(如：win.rar;setup.exe;temp.txt)</param>
/// <param name="largeIcon">图标的大小</param>
/// <returns></returns>
public static System.Drawing.Icon GetFileIcon(string fileName, bool largeIcon)
{
Thinksea.Windows.Win32API.SHFILEINFO _SHFILEINFO = new Thinksea.Windows.Win32API.SHFILEINFO();
Thinksea.Windows.Win32API.GetFileInfoFlags flags;
if (largeIcon)
{
flags = Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_ICON | Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_LARGEICON | Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_USEFILEATTRIBUTES;
}
else
{
flags = Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_ICON | Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_SMALLICON | Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_USEFILEATTRIBUTES;
}
System.IntPtr IconIntPtr = Thinksea.Windows.Win32API.User32.SHGetFileInfo(fileName, (uint)Thinksea.Windows.Win32API.FileAttributeFlags.FILE_ATTRIBUTE_TEMPORARY, ref _SHFILEINFO, (uint)System.Runtime.InteropServices.Marshal.SizeOf(_SHFILEINFO), (uint)flags);
if (IconIntPtr.Equals(System.IntPtr.Zero))
{
return(null);
}
return(System.Drawing.Icon.FromHandle(_SHFILEINFO.hIcon));
}
/// <summary>
/// 获取目录图标
/// </summary>
/// <param name="largeIcon">指示获取大图标还是小图标。</param>
/// <returns>图标</returns>
public static System.Drawing.Icon GetDirectoryIcon(bool largeIcon)
{
Thinksea.Windows.Win32API.SHFILEINFO _SHFILEINFO = new Thinksea.Windows.Win32API.SHFILEINFO();
Thinksea.Windows.Win32API.GetFileInfoFlags flags;
if (largeIcon)
{
flags = Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_ICON | Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_LARGEICON;
}
else
{
flags = Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_ICON | Thinksea.Windows.Win32API.GetFileInfoFlags.SHGFI_SMALLICON;
}
System.IntPtr IconIntPtr = Thinksea.Windows.Win32API.User32.SHGetFileInfo(@"", (uint)0, ref _SHFILEINFO, (uint)System.Runtime.InteropServices.Marshal.SizeOf(_SHFILEINFO), (uint)flags);
if (IconIntPtr.Equals(System.IntPtr.Zero))
{
return(null);
}
System.Drawing.Icon _Icon = System.Drawing.Icon.FromHandle(_SHFILEINFO.hIcon);
return(_Icon);
}
public bool Equals(ExecutionEngineRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(TargetMachineRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(TargetDataRef other)
{
return Value.Equals(other.Value);
}
public bool Equals(MyString other)
{
return(Value.Equals(other.Value));
}
public bool Equals(DIBuilderRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(MemoryTargetRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(BasicBlockRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(ModuleProviderRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(MetadataRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(OrcJITStackRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(JITEventListenerRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(MemoryBufferRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(MCJITMemoryManagerRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(MCJITCompilerOptions other)
{
return(Value.Equals(other.Value));
}
public bool Equals(TargetLibraryInfoRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(TypeRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(ObjectFileRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(SharedObjectBufferRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(PassRegistryRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(AttributeRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(GenericValueRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(PassManagerRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(ContextRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(OpInfo1 other)
{
return(Value.Equals(other.Value));
}
public bool Equals(SharedModuleRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(DiagnosticInfoRef other)
{
return(Value.Equals(other.Value));
}
public bool Equals(DIDescriptor other)
{
return(Value.Equals(other.Value));
}
