private static uint ToStockIconFlags(IconSize size, StockIconOptions options)
{
uint flags = NativeMethods.SHGSI_ICON;
switch (size)
{
case IconSize.Large:
flags |= NativeMethods.SHGSI_LARGEICON;
break;
case IconSize.Small:
flags |= NativeMethods.SHGSI_SMALLICON;
break;
case IconSize.ShellSize:
flags |= NativeMethods.SHGSI_SHELLICONSIZE;
break;
}
if ((options & StockIconOptions.LinkOverlay) == StockIconOptions.LinkOverlay)
{
flags |= NativeMethods.SHGSI_LINKOVERLAY;
}
if ((options & StockIconOptions.Selected) == StockIconOptions.Selected)
{
flags |= NativeMethods.SHGSI_SELECTED;
}
return(flags);
}
/// <summary>
/// Creates a new StockIcon instance with the
/// specified
/// <see cref="Microsoft.SDK.Samples.VistaBridge.Library.StockIcons.StockIconIdentifier"/> and <see cref="Microsoft.SDK.Samples.VistaBridge.Library.StockIcons.StockIconOptions"/> values.
/// </summary>
/// <param name="identifier">
/// A value that identifies the icon represented by this instance.
/// </param>
/// <param name="options">
/// A set of values that controls the visual
/// representation of the icon.
/// </param>
public StockIcon(StockIconIdentifier identifier, StockIconOptions options)
{
Identifier = identifier;
Selected = (options & StockIconOptions.Selected) == StockIconOptions.Selected;
LinkOverlay = (options & StockIconOptions.LinkOverlay) == StockIconOptions.LinkOverlay;
ShellSize = (options & StockIconOptions.ShellSize) == StockIconOptions.ShellSize;
Small = (options & StockIconOptions.Small) == StockIconOptions.Small;
}
private static ImageSource GetImageSource(StockIconIdentifier identifier, StockIconOptions flags)
{
ImageSource imageSource = MakeImage(identifier, StockIconOptions.Handle | flags);
imageSource.Freeze();
return(imageSource);
}
/// <summary>
/// Creates a new StockIcon instance with the
/// specified
/// <see cref="Microsoft.SDK.Samples.VistaBridge.Library.StockIcons.StockIconIdentifier"/> and <see cref="Microsoft.SDK.Samples.VistaBridge.Library.StockIcons.StockIconOptions"/> values.
/// </summary>
/// <param name="identifier">
/// A value that identifies the icon represented by this instance.
/// </param>
/// <param name="options">
/// A set of values that controls the visual
/// representation of the icon.
/// </param>
public StockIcon(StockIconIdentifier identifier, StockIconOptions options)
{
Identifier = identifier;
Selected = (options & StockIconOptions.Selected) == StockIconOptions.Selected;
LinkOverlay = (options & StockIconOptions.LinkOverlay) == StockIconOptions.LinkOverlay;
ShellSize = (options & StockIconOptions.ShellSize) == StockIconOptions.ShellSize;
Small = (options & StockIconOptions.Small) == StockIconOptions.Small;
}
internal static ImageSource MakeImage(StockIconIdentifier identifier, StockIconOptions flags)
{
IntPtr iconHandle = GetIcon(identifier, flags);
ImageSource imageSource;
try {
imageSource = InteropImaging.CreateBitmapSourceFromHIcon(iconHandle, Int32Rect.Empty, null);
} finally {
DestroyIcon(iconHandle);
}
return(imageSource);
}
internal static IntPtr GetIcon(StockIconIdentifier identifier,
StockIconOptions flags)
{
SafeNativeMethods.StockIconInfo info = new SafeNativeMethods.StockIconInfo();
info.StuctureSize = (UInt32)System.Runtime.InteropServices.Marshal.SizeOf(typeof(SafeNativeMethods.StockIconInfo));
int hResult =
UnsafeNativeMethods.SHGetStockIconInfo(identifier, flags, ref info);
if (hResult != 0)
throw new System.ComponentModel.Win32Exception("SHGetStockIconInfo execution failure " + hResult.ToString());
return info.Handle;
}
private static IntPtr GetIcon(StockIconIdentifier identifier, StockIconOptions flags)
{
StockIconInfo info = new StockIconInfo();
info.StructureSize = (UInt32)Marshal.SizeOf(typeof(StockIconInfo));
int hResult = SHGetStockIconInfo(identifier, flags, ref info);
if (hResult < 0)
{
throw new COMException("SHGetStockIconInfo", hResult);
}
return(info.Handle);
}
internal static IntPtr GetIcon(StockIconIdentifier identifier, StockIconOptions flags)
{
StockIconInfo info = new StockIconInfo()
{
StuctureSize = (uint)Marshal.SizeOf(typeof(StockIconInfo))
};
int hResult = SHGetStockIconInfo(identifier, flags, ref info);
if (hResult < 0)
{
throw new COMException("SHGetStockIconInfo execution failure", hResult);
}
return(info.Handle);
}
internal static IntPtr GetIcon(StockIconIdentifier identifier,
StockIconOptions flags)
{
SafeNativeMethods.StockIconInfo info = new SafeNativeMethods.StockIconInfo();
info.StuctureSize = (UInt32)System.Runtime.InteropServices.Marshal.SizeOf(typeof(SafeNativeMethods.StockIconInfo));
int hResult =
UnsafeNativeMethods.SHGetStockIconInfo(identifier, flags, ref info);
if (hResult != 0)
{
throw new System.ComponentModel.Win32Exception("SHGetStockIconInfo execution failure " + hResult.ToString());
}
return(info.Handle);
}
/// <summary>
/// Gets the specified icon.
/// </summary>
/// <param name="identifier">The StockIdentifier enumeration value that
/// that identifies the icon to retrieve.
/// </param>
/// <param name="flags">
/// The StockIconOptions enumeration values that control
/// the visual representation of the icon.
/// </param>
/// <returns></returns>
internal static ImageSource MakeImage(
StockIconIdentifier identifier,
StockIconOptions flags)
{
IntPtr iconHandle = GetIcon(identifier, flags);
ImageSource imageSource;
try
{
imageSource = Imaging.CreateBitmapSourceFromHIcon(iconHandle, System.Windows.Int32Rect.Empty, null);
}
finally
{
UnsafeNativeMethods.DestroyIcon(iconHandle);
}
return imageSource;
}
/// <summary>
/// Gets the specified icon.
/// </summary>
/// <param name="identifier">The StockIdentifier enumeration value that
/// that identifies the icon to retrieve.
/// </param>
/// <param name="flags">
/// The StockIconOptions enumeration values that control
/// the visual representation of the icon.
/// </param>
/// <returns></returns>
internal static ImageSource MakeImage(
StockIconIdentifier identifier,
StockIconOptions flags)
{
IntPtr iconHandle = GetIcon(identifier, flags);
ImageSource imageSource;
try
{
imageSource = Imaging.CreateBitmapSourceFromHIcon(iconHandle, System.Windows.Int32Rect.Empty, null);
}
finally
{
UnsafeNativeMethods.DestroyIcon(iconHandle);
}
return(imageSource);
}
internal static ImageSource MakeImage(StockIconIdentifier identifier, StockIconOptions flags)
{
ImageSource imageSource = null;
IntPtr iconHandle = IntPtr.Zero;
try
{
iconHandle = GetIcon(identifier, flags);
imageSource = InteropImaging.CreateBitmapSourceFromHIcon(iconHandle, Int32Rect.Empty, null);
}
catch
{
// ignore exception (this will throw on Windows XP which doesn't have an SHGetStockIconInfo)
}
finally
{
DestroyIcon(iconHandle);
}
return(imageSource);
}
static int ComputeUniqueValue(StockIconIdentifier identifier, StockIconOptions flags)
{
int value = checked (((int)identifier) << 4);
if ((flags & StockIconOptions.Selected) == StockIconOptions.Selected)
{
value += 8;
}
if ((flags & StockIconOptions.Small) == StockIconOptions.Small)
{
value += 4;
}
if ((flags & StockIconOptions.LinkOverlay) == StockIconOptions.LinkOverlay)
{
value += 2;
}
if ((flags & StockIconOptions.ShellSize) == StockIconOptions.ShellSize)
{
value += 1;
}
return(value);
}
internal static extern int SHGetStockIconInfo(
StockIconIdentifier identifier,
StockIconOptions flags,
ref SafeNativeMethods.StockIconInfo info);
internal static ImageSource MakeImage(StockIconIdentifier identifier, StockIconOptions flags) {
IntPtr iconHandle = GetIcon(identifier, flags);
ImageSource imageSource;
try {
imageSource = InteropImaging.CreateBitmapSourceFromHIcon(iconHandle, Int32Rect.Empty, null);
} finally {
DestroyIcon(iconHandle);
}
return imageSource;
}
public static Icon GetStockIcon(StockIcon stockIcon, IconSize size = IconSize.Large, StockIconOptions options = 0)
{
var flags = ToStockIconFlags(size, options);
var sii = new UnsafeNativeMethods.SHSTOCKICONINFO();
sii.cbSize = UnsafeNativeMethods.SHSTOCKICONINFO.Sizeof();
int hr = UnsafeNativeMethods.SHGetStockIconInfo((int)stockIcon, flags, ref sii);
if (hr != 0)
{
throw new COMException("SHGetStockIconInfo failed.", hr);
}
if (sii.hIcon == IntPtr.Zero)
{
throw new NotSupportedException("The stock icon is not supported by the running OS.");
}
return(HIconToIcon(sii.hIcon));
}
private static extern int SHGetStockIconInfo(StockIconIdentifier identifier, StockIconOptions flags, ref StockIconInfo info);
protected internal static BitmapSource GetBitmapSource(StockIconIdentifier identifier, StockIconOptions flags)
{
BitmapSource bitmapSource = (BitmapSource)InteropHelper.MakeImage(identifier, StockIconOptions.Handle | flags);
bitmapSource.Freeze();
return(bitmapSource);
}
/// <summary>
/// Creates a <see cref="System.Windows.Media.Imaging.BitmapSource"/> object for the specified icon.
/// </summary>
/// <param name="identifier">
/// The identifier for the icon represented by this instance.
/// </param>
/// <param name="options">
/// Settings that control the visual representation of the icon.
/// </param>
/// <returns>A <see cref="System.Windows.Media.Imaging.BitmapSource"/> object that represents the specified icon.</returns>
protected internal static BitmapSource GetBitmapSource(StockIconIdentifier identifier, StockIconOptions options)
{
BitmapSource bitmapSource;
int uniqueValue = ComputeUniqueValue(identifier, options);
if (!_cache.TryGetValue(uniqueValue, out bitmapSource))
{
bitmapSource = (BitmapSource)StockIconHelper.MakeImage(identifier, StockIconOptions.Handle | options);
bitmapSource.Freeze();
_cache[uniqueValue] = bitmapSource;
}
else
{
System.Diagnostics.Debug.WriteLine("Found the BitmapSource for " + identifier.ToString() + " in the cache!");
}
return bitmapSource;
}
static int ComputeUniqueValue(StockIconIdentifier identifier, StockIconOptions flags)
{
int value = checked(((int)identifier) << 4);
if ((flags & StockIconOptions.Selected) == StockIconOptions.Selected)
value += 8;
if ((flags & StockIconOptions.Small) == StockIconOptions.Small)
value += 4;
if ((flags & StockIconOptions.LinkOverlay) == StockIconOptions.LinkOverlay)
value += 2;
if ((flags & StockIconOptions.ShellSize) == StockIconOptions.ShellSize)
value += 1;
return value;
}
internal static ImageSource MakeImage(StockIconIdentifier identifier, StockIconOptions flags)
{
ImageSource imageSource = null;
IntPtr iconHandle = IntPtr.Zero;
try
{
iconHandle = GetIcon(identifier, flags);
imageSource = InteropImaging.CreateBitmapSourceFromHIcon(iconHandle, Int32Rect.Empty, null);
}
catch
{
// ignore exception (this will throw on Windows XP which doesn't have an SHGetStockIconInfo)
}
finally
{
DestroyIcon(iconHandle);
}
return imageSource;
}
protected internal static BitmapSource GetBitmapSource(StockIconIdentifier identifier, StockIconOptions flags)
{
BitmapSource bitmapSource = (BitmapSource)InteropHelper.MakeImage(identifier, StockIconOptions.Handle | flags);
if (bitmapSource != null)
bitmapSource.Freeze();
return bitmapSource;
}
public static extern HResult SHGetStockIconInfo(
StockIconIdentifier identifier,
StockIconOptions flags,
ref StockIconInfo info);
/// <summary>
/// Creates a <see cref="System.Windows.Media.Imaging.BitmapSource"/> object for the specified icon.
/// </summary>
/// <param name="identifier">
/// The identifier for the icon represented by this instance.
/// </param>
/// <param name="options">
/// Settings that control the visual representation of the icon.
/// </param>
/// <returns>A <see cref="System.Windows.Media.Imaging.BitmapSource"/> object that represents the specified icon.</returns>
protected internal static BitmapSource GetBitmapSource(StockIconIdentifier identifier, StockIconOptions options)
{
BitmapSource bitmapSource;
int uniqueValue = ComputeUniqueValue(identifier, options);
if (!_cache.TryGetValue(uniqueValue, out bitmapSource))
{
bitmapSource = (BitmapSource)StockIconHelper.MakeImage(identifier, StockIconOptions.Handle | options);
bitmapSource.Freeze();
_cache[uniqueValue] = bitmapSource;
}
else
{
System.Diagnostics.Debug.WriteLine("Found the BitmapSource for " + identifier.ToString() + " in the cache!");
}
return(bitmapSource);
}
internal static IntPtr GetIcon(StockIconIdentifier identifier, StockIconOptions flags)
{
StockIconInfo info = new StockIconInfo();
info.StuctureSize = (UInt32)Marshal.SizeOf(typeof(StockIconInfo));
int hResult = SHGetStockIconInfo(identifier, flags, ref info);
if (hResult < 0)
throw new COMException("SHGetStockIconInfo execution failure", hResult);
return info.Handle;
}
internal static extern HRESULT SHGetStockIconInfo(
StockIconIdentifier identifier,
StockIconOptions flags,
ref StockIconInfo info);
internal static extern int SHGetStockIconInfo(StockIconIdentifier identifier, StockIconOptions flags, ref StockIconInfo info);
public static extern HResult SHGetStockIconInfo(
StockIconIdentifier identifier,
StockIconOptions flags,
ref StockIconInfo info);
