/// <summary>
/// Returns a formatted, Unicode string representation of a property value.
/// </summary>
/// <param name="format">One or more of the PropertyDescriptionFormat flags
/// that indicate the desired format.</param>
/// <returns>The formatted value as a string, or null if this property
/// cannot be formatted for display.</returns>
public string FormatForDisplay(PropertyDescriptionFormat format)
{
string formattedString;
PropVariant propVar;
if (Description == null || Description.NativePropertyDescription == null)
{
// We cannot do anything without a property description
return(null);
}
IPropertyStore store = ShellPropertyCollection.CreateDefaultPropertyStore(ParentShellObject);
store.GetValue(ref propertyKey, out propVar);
// Release the Propertystore
Marshal.ReleaseComObject(store);
store = null;
HRESULT hr = Description.NativePropertyDescription.FormatForDisplay(ref propVar, ref format, out formattedString);
// Sometimes, the value cannot be displayed properly, such as for blobs
// or if we get argument exception
if (!CoreErrorHelper.Succeeded((int)hr))
{
throw Marshal.GetExceptionForHR((int)hr);
}
else
{
return(formattedString);
}
}
/// <summary>
/// Returns a formatted, Unicode string representation of a property value.
/// </summary>
/// <param name="format">One or more of the PropertyDescriptionFormat flags
/// that indicate the desired format.</param>
/// <param name="formattedString">The formatted value as a string, or null if this property
/// cannot be formatted for display.</param>
/// <returns>True if the method successfully locates the formatted string; otherwise
/// False.</returns>
public bool TryFormatForDisplay(PropertyDescriptionFormatOptions format, out string formattedString)
{
if (Description == null || Description.NativePropertyDescription == null)
{
// We cannot do anything without a property description
formattedString = null;
return(false);
}
IPropertyStore store = ShellPropertyCollection.CreateDefaultPropertyStore(ParentShellObject);
using (PropVariant propVar = new PropVariant())
{
store.GetValue(ref propertyKey, propVar);
// Release the Propertystore
Marshal.ReleaseComObject(store);
store = null;
HResult hr = Description.NativePropertyDescription.FormatForDisplay(propVar, ref format, out formattedString);
// Sometimes, the value cannot be displayed properly, such as for blobs
// or if we get argument exception
if (!CoreErrorHelper.Succeeded(hr))
{
formattedString = null;
return(false);
}
return(true);
}
}
private void GetImageReference()
{
IPropertyStore store = ShellPropertyCollection.CreateDefaultPropertyStore(this.ParentShellObject);
using (PropVariant propVar = new PropVariant())
{
store.GetValue(ref this.propertyKey, propVar);
Marshal.ReleaseComObject(store);
store = null;
string refPath;
((IPropertyDescription2)this.Description.NativePropertyDescription).GetImageReferenceForValue(
propVar, out refPath);
if (refPath == null)
{
return;
}
int index = ShellNativeMethods.PathParseIconLocation(ref refPath);
if (refPath != null)
{
this.imageReferencePath = refPath;
this.imageReferenceIconIndex = index;
}
}
}
//Get the current default audio device
public static AudioDeviceSummary GetDefaultDevice()
{
try
{
IMMDeviceEnumerator deviceEnumerator = (IMMDeviceEnumerator) new MMDeviceEnumerator();
IMMDevice.IMMDevice deviceItem = deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia);
//Get the audio device id
string deviceId = deviceItem.GetId();
//Get the audio device name
PropertyVariant propertyVariant = new PropertyVariant();
IPropertyStore propertyStore = deviceItem.OpenPropertyStore(STGM.STGM_READ);
propertyStore.GetValue(ref PKEY_Device_FriendlyName, out propertyVariant);
string deviceName = Marshal.PtrToStringUni(propertyVariant.pwszVal);
return(new AudioDeviceSummary()
{
Identifier = deviceId, Name = deviceName
});
}
catch
{
Debug.WriteLine("Failed to get the default audio device.");
return(null);
}
}
// T7E: Gets application ID for window
public string GetApplicationIdForWindow(IntPtr windowHandle)
{
IPropertyStore propertyStore = TaskbarNativeMethods.GetWindowPropertyStore(windowHandle);
PropVariant pv = new PropVariant();
PropertyKey AppIdKey = new PropertyKey(new Guid("9F4C2855-9F79-4B39-A8D0-E1D42DE1D5F3"), 5);
propertyStore.GetValue(ref AppIdKey, out pv);
string retrievedAppId;
if (pv.IsNullOrEmpty)
{
retrievedAppId = "";
}
else
{
retrievedAppId = (string)pv.Value;
}
Marshal.ReleaseComObject(propertyStore);
pv.Clear();
return(retrievedAppId);
}
private void UpdateRichTextBox(IPropertyStore propertyStore)
{
FontPropertyStore fontPropertyStore = new FontPropertyStore(propertyStore);
PropVariant propValue;
FontStyle fontStyle;
string family;
float size;
if (richTextBox1.SelectionFont != null)
{
fontStyle = richTextBox1.SelectionFont.Style;
family = richTextBox1.SelectionFont.FontFamily.Name;
size = richTextBox1.SelectionFont.Size;
}
else
{
fontStyle = FontStyle.Regular;
family = string.Empty;
size = 0;
}
if (propertyStore.GetValue(ref RibbonProperties.FontProperties_Family, out propValue) == HRESULT.S_OK)
{
family = fontPropertyStore.Family;
}
if (propertyStore.GetValue(ref RibbonProperties.FontProperties_Size, out propValue) == HRESULT.S_OK)
{
size = (float)fontPropertyStore.Size;
}
// creating a new font can't fail if the font doesn't support the requested style
// or if the font family name doesn't exist
try
{
richTextBox1.SelectionFont = new Font(family, size, fontStyle);
}
catch (ArgumentException)
{
}
}
internal RibbonColors GetRibbonColors()
{
RibbonColors colors = new RibbonColors();
IPropertyStore propertyStore = (IPropertyStore)ribbon.Framework;
PropVariant backgroundColorProp;
PropVariant highlightColorProp;
PropVariant textColorProp;
// get ribbon colors
propertyStore.GetValue(ref RibbonProperties.GlobalBackgroundColor, out backgroundColorProp);
propertyStore.GetValue(ref RibbonProperties.GlobalHighlightColor, out highlightColorProp);
propertyStore.GetValue(ref RibbonProperties.GlobalTextColor, out textColorProp);
uint background = (uint)backgroundColorProp.Value;
uint highlight = (uint)highlightColorProp.Value;
uint text = (uint)textColorProp.Value;
colors.BackgroundColor = ColorHelp.UInt32ToRGB(background);
colors.HighlightColor = ColorHelp.UInt32ToRGB(highlight);
colors.TextColor = ColorHelp.UInt32ToRGB(text);
return(colors);
}
/*private static void InternalEnableCustomWindowPreview(IntPtr hwnd, bool enable)
* {
* IntPtr t = Marshal.AllocHGlobal(4);
* Marshal.WriteInt32(t, enable ? 1 : 0);
*
* try
* {
* int rc;
* rc = VistaBridgeInterop.UnsafeNativeMethods.DwmSetWindowAttribute(
* hwnd, SafeNativeMethods.DWMWA_HAS_ICONIC_BITMAP, t, 4);
* if (rc != 0)
* throw Marshal.GetExceptionForHR(rc);
*
* rc = VistaBridgeInterop.UnsafeNativeMethods.DwmSetWindowAttribute(
* hwnd, SafeNativeMethods.DWMWA_FORCE_ICONIC_REPRESENTATION, t, 4);
* if (rc != 0)
* throw Marshal.GetExceptionForHR(rc);
* }
* finally
* {
* Marshal.FreeHGlobal(t);
* }
* }*/
#endregion
#region Application Id
/// <summary>
/// Gets a window's application id by its window handle.
/// </summary>
/// <param name="hwnd">The window handle.</param>
/// <returns>The application id of that window.</returns>
public static string GetWindowAppId(IntPtr hwnd)
{
IPropertyStore propStore = InternalGetWindowPropertyStore(hwnd);
PropVariant pv;
propStore.GetValue(ref PropertyKey.PKEY_AppUserModel_ID, out pv);
Marshal.ReleaseComObject(propStore);
return(pv.GetValue());
}
public PropVariant GetValue(PropertyKey key)
{
if (Contains(key))
{
PropVariant result;
HResult.Try(_propertyStoreInterface.GetValue(ref key, out result));
return(result);
}
else
{
return(PropVariant.Empty);
}
}
private object GetPropertyValue(IPropertyStore propertyStore, PROPERTYKEY propertyKey)
{
object returnObj = null;
PROPVARIANT propVariant;
var result = propertyStore.GetValue(ref propertyKey, out propVariant);
AssertCoreAudio.IsHResultOk(result);
var vType = (VarEnum)propVariant.vt;
if (vType == VarEnum.VT_EMPTY)
{
return(null);
}
switch (vType)
{
case VarEnum.VT_BOOL:
returnObj = propVariant.Data.AsBoolean;
break;
case VarEnum.VT_UI4:
returnObj = propVariant.Data.AsUInt32;
break;
case VarEnum.VT_LPWSTR:
case VarEnum.VT_CLSID:
returnObj = Marshal.PtrToStringUni(propVariant.Data.AsStringPtr);
break;
case VarEnum.VT_BLOB:
returnObj = propVariant.Data.AsFormatPtr;
break;
}
if (propertyKey.fmtid == PropertyKeys.PKEY_AudioEngine_DeviceFormat ||
propertyKey.fmtid == PropertyKeys.PKEY_AudioEngine_OEMFormat)
{
Assert.AreEqual(VarEnum.VT_BLOB, vType, "The device format property was not of varient type VT_BLOB.");
var format = (WAVEFORMATEX)Marshal.PtrToStructure((IntPtr)returnObj, typeof(WAVEFORMATEX));
if (format.nChannels != 0 && format.nSamplesPerSec != 0 && format.wBitsPerSample != 0)
{
Assert.AreEqual(format.nChannels * format.nSamplesPerSec * format.wBitsPerSample, format.nAvgBytesPerSec * 8, "The wave format was not valid.");
}
}
return(returnObj);
}
/// <summary>
/// Get the three Colors of the Ribbon
/// </summary>
/// <returns>Ribbon Colors class or null</returns>
public RibbonColors GetColors()
{
RibbonColors colors = null;
if (!Initialized)
{
return(colors);
}
IPropertyStore propertyStore = (IPropertyStore)this.Framework;
PropVariant backgroundColorProp;
PropVariant highlightColorProp;
PropVariant textColorProp;
// get ribbon colors
propertyStore.GetValue(ref RibbonProperties.GlobalBackgroundColor, out backgroundColorProp);
propertyStore.GetValue(ref RibbonProperties.GlobalHighlightColor, out highlightColorProp);
propertyStore.GetValue(ref RibbonProperties.GlobalTextColor, out textColorProp);
uint background = (uint)backgroundColorProp.Value;
uint highlight = (uint)highlightColorProp.Value;
uint text = (uint)textColorProp.Value;
colors = new RibbonColors(ColorHelper.UInt32ToRGB(background), ColorHelper.UInt32ToRGB(highlight), ColorHelper.UInt32ToRGB(text));
return(colors);
}
/// <summary>Clones a property store to a memory property store.</summary>
/// <param name="ps">The property store to clone.</param>
/// <returns>The cloned memory property store.</returns>
/// <exception cref="System.ArgumentNullException">ps</exception>
public static MemoryPropertyStore ClonePropertyStoreToMemory(IPropertyStore ps)
{
if (ps is null)
{
throw new ArgumentNullException(nameof(ps));
}
var ms = new MemoryPropertyStore();
var cnt = ps.GetCount();
for (var i = 0U; i < cnt; i++)
{
var key = ps.GetAt(i);
ms.Add(key, ps.GetValue(key));
}
return(ms);
}
public static string?GetString(this IPropertyStore propertyStore, PROPERTYKEY key)
{
if (propertyStore.GetValue(key, out var value).Failed)
{
return(null);
}
try
{
return(Marshal.PtrToStringUni(value.pwszVal));
}
finally
{
PInvoke.PropVariantClear(ref value);
}
}
public bool TryGetValue(ShellItemPropertyKey key, out object value)
{
if (iprops != null)
{
try
{
var pv = new PROPVARIANT();
iprops.GetValue(ref key, pv);
value = pv.Value;
return(true);
}
catch { }
}
value = null;
return(false);
}
/// <summary>
/// Gets the friendly name of the specified device.
/// </summary>
/// <param name="device">The <see cref="IMMDevice"/> interface of the device.</param>
/// <returns>The friendly name of the device.</returns>
internal static string GetDeviceFriendlyName(IMMDevice device)
{
string deviceId = device.GetId();
IPropertyStore propertyStore = device.OpenPropertyStore(StgmRead);
PropVariant friendlyNameProperty = propertyStore.GetValue(PKeyDeviceFriendlyName);
Marshal.ReleaseComObject(propertyStore);
string friendlyName = (string)friendlyNameProperty.Value;
friendlyNameProperty.Clear();
return(friendlyName);
}
private Dictionary <PropertyKey, object> GetProperties(IMMDevice device)
{
var properties = new Dictionary <PropertyKey, object>();
//Opening in write mode, can cause exceptions to be thrown when not run as admin.
//This tries to open in write mode if available
try
{
Marshal.ThrowExceptionForHR(device.OpenPropertyStore(StorageAccessMode.ReadWrite, out _propertyStoreInteface));
Mode = AccessMode.ReadWrite;
}
catch
{
Debug.WriteLine("Cannot open property store in write mode");
}
if (_propertyStoreInteface == null)
{
Marshal.ThrowExceptionForHR(device.OpenPropertyStore(StorageAccessMode.Read, out _propertyStoreInteface));
Mode = AccessMode.Read;
}
try
{
uint count;
_propertyStoreInteface.GetCount(out count);
for (uint i = 0; i < count; i++)
{
PropertyKey key;
PropVariant variant;
_propertyStoreInteface.GetAt(i, out key);
_propertyStoreInteface.GetValue(ref key, out variant);
if (variant.IsSupported())
{
properties.Add(key, variant.Value);
}
}
}
catch
{
Debug.WriteLine("Cannot get property values");
return(new Dictionary <PropertyKey, object>());
}
return(properties);
}
public PropertyStoreProperty this[PropertyKey queryKey]
{
get
{
for (var i = 0; i < Count; i++)
{
var key = Get(i);
if (key.fmtid == queryKey.fmtid && key.pid == queryKey.pid)
{
PropVariant result;
Marshal.ThrowExceptionForHR(_Store.GetValue(ref key, out result));
return(new PropertyStoreProperty(result));
}
}
return(null);
}
}
private static JumpItem GetJumpItemForShellObject(object shellObject)
{
IShellItem2 shellItem = shellObject as IShellItem2;
IShellLinkW shellLinkW = shellObject as IShellLinkW;
if (shellItem != null)
{
return(new JumpPath
{
Path = shellItem.GetDisplayName((SIGDN)2147647488u)
});
}
if (shellLinkW != null)
{
StringBuilder stringBuilder = new StringBuilder(260);
shellLinkW.GetPath(stringBuilder, stringBuilder.Capacity, null, SLGP.RAWPATH);
StringBuilder stringBuilder2 = new StringBuilder(1024);
shellLinkW.GetArguments(stringBuilder2, stringBuilder2.Capacity);
StringBuilder stringBuilder3 = new StringBuilder(1024);
shellLinkW.GetDescription(stringBuilder3, stringBuilder3.Capacity);
StringBuilder stringBuilder4 = new StringBuilder(260);
int iconResourceIndex;
shellLinkW.GetIconLocation(stringBuilder4, stringBuilder4.Capacity, out iconResourceIndex);
StringBuilder stringBuilder5 = new StringBuilder(260);
shellLinkW.GetWorkingDirectory(stringBuilder5, stringBuilder5.Capacity);
JumpTask jumpTask = new JumpTask
{
ApplicationPath = stringBuilder.ToString(),
Arguments = stringBuilder2.ToString(),
Description = stringBuilder3.ToString(),
IconResourceIndex = iconResourceIndex,
IconResourcePath = stringBuilder4.ToString(),
WorkingDirectory = stringBuilder5.ToString()
};
using (PROPVARIANT propvariant = new PROPVARIANT())
{
IPropertyStore propertyStore = (IPropertyStore)shellLinkW;
PKEY title = PKEY.Title;
propertyStore.GetValue(ref title, propvariant);
jumpTask.Title = (propvariant.GetValue() ?? "");
}
return(jumpTask);
}
return(null);
}
public static string[] GetStringArray(this IPropertyStore propertyStore, PROPERTYKEY key)
{
if (propertyStore.GetValue(key, out var value).Failed)
{
return(Array.Empty <string>());
}
try
{
return(Enumerable.Range(0, (int)value.calpwstr.cElems)
.Select(x => Marshal.PtrToStringUni(Marshal.ReadIntPtr(value.calpwstr.pElems, x * IntPtr.Size)) !)
.ToArray());
}
finally
{
PInvoke.PropVariantClear(ref value);
}
}
/// <summary>
/// Returns a formatted, Unicode string representation of a property value.
/// </summary>
/// <param name="format">One or more of the PropertyDescriptionFormat flags
/// that indicate the desired format.</param>
/// <returns>The formatted value as a string, or null if this property
/// cannot be formatted for display.</returns>
public string FormatForDisplay(PropertyDescriptionFormatOptions format)
{
if (Description == null || Description.NativePropertyDescription == null)
// We cannot do anything without a property description
return null;
IPropertyStore store = ShellPropertyCollection.CreateDefaultPropertyStore(ParentShellObject);
#if CS7
using (var propVar = new PropVariant())
{
#else
using var propVar = new PropVariant();
#endif
_ = store.GetValue(ref propertyKey, propVar);
// Release the Propertystore
_ = Marshal.ReleaseComObject(store);
store = null;
HResult hr = Description.NativePropertyDescription.FormatForDisplay(propVar, ref format, out string formattedString);
// Sometimes, the value cannot be displayed properly, such as for blobs
// or if we get argument exception
if (!CoreErrorHelper.Succeeded(hr))
throw new ShellException(hr);
return formattedString;
#if CS7
}
#endif
}
private static string ShellLinkToString(IShellLinkW shellLink)
{
StringBuilder stringBuilder = new StringBuilder(260);
shellLink.GetPath(stringBuilder, stringBuilder.Capacity, null, SLGP.RAWPATH);
string text = null;
using (PROPVARIANT propvariant = new PROPVARIANT())
{
IPropertyStore propertyStore = (IPropertyStore)shellLink;
PKEY title = PKEY.Title;
propertyStore.GetValue(ref title, propvariant);
text = (propvariant.GetValue() ?? "");
}
StringBuilder stringBuilder2 = new StringBuilder(1024);
shellLink.GetArguments(stringBuilder2, stringBuilder2.Capacity);
return(stringBuilder.ToString().ToUpperInvariant() + text.ToUpperInvariant() + stringBuilder2.ToString());
}
public static T GetValue <T>(this IPropertyStore propStore, PROPERTYKEY key)
{
PropVariant pv = default(PropVariant);
try
{
pv = propStore.GetValue(ref key);
switch (pv.varType)
{
case VarEnum.VT_LPWSTR:
return((T)Convert.ChangeType(Marshal.PtrToStringUni(pv.pwszVal), typeof(T)));
default: throw new NotImplementedException();
}
}
finally
{
Ole32.PropVariantClear(ref pv);
}
}
private void _UpdateSubitemValuesThreadRun()
{
while (true)
{
var index = this._ItemsForSubitemsUpdate.Dequeue();
if (User32.SendMessage(this._ShellViewEx.LVHandle, Interop.MSG.LVM_ISITEMVISIBLE, index.Item1, 0) != IntPtr.Zero)
{
var currentItem = this._ShellViewEx.Items[index.Item1];
var temp = currentItem.Clone();
var isi2 = (IShellItem2)temp.ComInterface;
var pvar = new PropVariant();
var pk = index.Item3;
if (pk.fmtid == SystemProperties.DriveFreeSpace.fmtid && pk.pid == SystemProperties.DriveFreeSpace.pid)
{
continue;
}
var guid = new Guid(InterfaceGuids.IPropertyStore);
IPropertyStore propStore = null;
isi2.GetPropertyStore(GetPropertyStoreOptions.Default, ref guid, out propStore);
if (propStore != null && propStore.GetValue(ref pk, pvar) == HResult.S_OK)
{
if (currentItem.ColumnValues.Keys.ToArray().Count(s => s.fmtid == pk.fmtid && s.pid == pk.pid) == 0)
{
try {
currentItem.ColumnValues.Add(pk, pvar.Value);
if (!this._RedrawQueue.Contains(index.Item1))
{
this._RedrawQueue.Enqueue(index.Item1);
}
} catch {
//TODO: Fix this try-catch!!!!!
}
}
pvar.Dispose();
Marshal.ReleaseComObject(propStore);
}
temp.Dispose();
}
}
}
private void GetImageReference()
{
IPropertyStore store = ShellPropertyCollection.CreateDefaultPropertyStore(ParentShellObject);
#if CS7
using (var propVar = new PropVariant())
{
#else
using var propVar = new PropVariant();
#endif
_ = store.GetValue(ref propertyKey, propVar);
_ = Marshal.ReleaseComObject(store);
store = null;
((IPropertyDescription2)Description.NativePropertyDescription).GetImageReferenceForValue(
propVar, out string refPath);
if (refPath == null) return;
int index = Win32Native.Shell.Shell.PathParseIconLocation(ref refPath);
if (refPath != null)
{
imageReferencePath = refPath;
imageReferenceIconIndex = index;
}
#if CS7
}
#endif
}
//Get all the playback audio devices
public static List <AudioDeviceSummary> ListAudioDevices()
{
try
{
List <AudioDeviceSummary> deviceListSummary = new List <AudioDeviceSummary>();
IMMDeviceEnumerator deviceEnumerator = (IMMDeviceEnumerator) new MMDeviceEnumerator();
IMMDeviceCollection deviceCollection = deviceEnumerator.EnumAudioEndpoints(EDataFlow.eRender, DeviceState.ACTIVE);
uint deviceCount = deviceCollection.GetCount();
for (uint deviceIndex = 0; deviceIndex < deviceCount; deviceIndex++)
{
IMMDevice.IMMDevice deviceItem = deviceCollection.Item(deviceIndex);
//Get the audio device id
string deviceId = deviceItem.GetId();
//Get the audio device name
PropertyVariant propertyVariant = new PropertyVariant();
IPropertyStore propertyStore = deviceItem.OpenPropertyStore(STGM.STGM_READ);
propertyStore.GetValue(ref PKEY_Device_FriendlyName, out propertyVariant);
string deviceName = Marshal.PtrToStringUni(propertyVariant.pwszVal);
//Add device to summary list
deviceListSummary.Add(new AudioDeviceSummary()
{
Identifier = deviceId, Name = deviceName
});
}
return(deviceListSummary);
}
catch
{
Debug.WriteLine("Failed to get audio devices.");
return(null);
}
}
// T7E: Gets property store for shortcut
public string GetApplicationIdForShortcut(string shortcutPath)
{
// Get shell item
IShellItem2 shellItem;
Guid guid = new Guid(ShellIIDGuid.IShellItem2);
int hrc = ShellNativeMethods.SHCreateItemFromParsingName(shortcutPath, IntPtr.Zero, ref guid, out shellItem);
// Get property store
Guid psGuid = new Guid(ShellIIDGuid.IPropertyStore);
IPropertyStore propStore = null;
int hr = shellItem.GetPropertyStore(
ShellNativeMethods.GETPROPERTYSTOREFLAGS.GPS_READWRITE,
ref psGuid,
out propStore);
// Get appid property
PropVariant pv = new PropVariant();
PropertyKey AppIdKey = new PropertyKey(new Guid("9F4C2855-9F79-4B39-A8D0-E1D42DE1D5F3"), 5);
propStore.GetValue(ref AppIdKey, out pv);
string retrievedAppId;
if (pv.IsNullOrEmpty)
{
retrievedAppId = "";
}
else
{
retrievedAppId = (string)pv.Value;
}
Marshal.ReleaseComObject(propStore);
pv.Clear();
return(retrievedAppId);
}
private static PropVariant GetProperty(IntPtr hwnd, PropertyKey key)
{
IPropertyStore propStore = null;
PropVariant pv;
try
{
propStore = GetWindowPropertyStore(hwnd);
propStore.GetValue(ref key, out pv);
}
catch
{
pv = new PropVariant();
}
finally
{
if (propStore != null)
{
Marshal.ReleaseComObject(propStore);
}
}
return(pv);
}
private static bool SetShortcut()
{
bool writeShortcut = false;
PROPERTYKEY appModelIDKey = PROPERTYKEY.System.AppUserModel.ID;
IShellLinkW shortcut = (IShellLinkW) new CShellLinkW();
IPersistFile persistFile = (IPersistFile)shortcut;
IPropertyStore propertyStore = (IPropertyStore)shortcut;
try
{
persistFile.Load(LINKFILE_PATH, (int)Vanara.PInvoke.STGM.STGM_READ);
}
catch (System.IO.FileNotFoundException)
{
writeShortcut = true;
// This is possibly first invocation so set registry in order to persist in Action Center
ConfigureRegistry();
}
if (!writeShortcut)
{
StringBuilder curPath = new StringBuilder(Vanara.PInvoke.Kernel32.MAX_PATH);
shortcut.GetPath(curPath, curPath.Capacity, null, SLGP.SLGP_RAWPATH);
if (!EXE_PATH.Equals(curPath.ToString(), StringComparison.OrdinalIgnoreCase))
{
writeShortcut = true;
}
}
if (!writeShortcut)
{
StringBuilder curArgs = new StringBuilder(Vanara.PInvoke.ComCtl32.INFOTIPSIZE);
shortcut.GetArguments(curArgs, curArgs.Capacity);
if (!SHORTCUT_ARGUMENTS.Equals(curArgs.ToString(), StringComparison.Ordinal))
{
writeShortcut = true;
}
}
if (!writeShortcut)
{
using (PROPVARIANT pv = new PROPVARIANT())
{
propertyStore.GetValue(ref appModelIDKey, pv);
if (!APP_ID.Equals(pv.pwszVal, StringComparison.Ordinal))
{
writeShortcut = true;
}
}
}
if (writeShortcut)
{
shortcut.SetPath(EXE_PATH);
shortcut.SetArguments(string.Empty);
using (PROPVARIANT pv = new PROPVARIANT(APP_ID))
{
propertyStore.SetValue(ref appModelIDKey, pv);
propertyStore.Commit();
}
persistFile.Save(LINKFILE_PATH, true);
return(true);
}
return(false);
}
private object GetPropertyValue(IPropertyStore propertyStore, PROPERTYKEY propertyKey)
{
object returnObj = null;
PROPVARIANT propVariant;
var result = propertyStore.GetValue(ref propertyKey, out propVariant);
AssertCoreAudio.IsHResultOk(result);
var vType = (VarEnum)propVariant.vt;
if (vType == VarEnum.VT_EMPTY)
return null;
switch (vType)
{
case VarEnum.VT_BOOL:
returnObj = propVariant.Data.AsBoolean;
break;
case VarEnum.VT_UI4:
returnObj = propVariant.Data.AsUInt32;
break;
case VarEnum.VT_LPWSTR:
case VarEnum.VT_CLSID:
returnObj = Marshal.PtrToStringUni(propVariant.Data.AsStringPtr);
break;
case VarEnum.VT_BLOB:
returnObj = propVariant.Data.AsFormatPtr;
break;
}
if (propertyKey.fmtid == PropertyKeys.PKEY_AudioEngine_DeviceFormat ||
propertyKey.fmtid == PropertyKeys.PKEY_AudioEngine_OEMFormat)
{
Assert.AreEqual(VarEnum.VT_BLOB, vType, "The device format property was not of varient type VT_BLOB.");
var format = (WAVEFORMATEX)Marshal.PtrToStructure((IntPtr)returnObj, typeof(WAVEFORMATEX));
if (format.nChannels != 0 && format.nSamplesPerSec != 0 && format.wBitsPerSample != 0)
Assert.AreEqual(format.nChannels * format.nSamplesPerSec * format.wBitsPerSample, format.nAvgBytesPerSec * 8, "The wave format was not valid.");
}
return returnObj;
}
static void Main(string[] args)
{
if (args.Length == 2 && args[0] == "/get")
{
var fp = args[1];
IShellLinkW plnk = (IShellLinkW) new CShellLink();
IPersistFile ppf = (IPersistFile)plnk;
ppf.Load(fp, STGM_READ);
// http://8thway.blogspot.jp/2012/11/csharp-appusermodelid.html
IPropertyStore pps = (IPropertyStore)plnk;
PropVariant v = new PropVariant();
pps.GetValue(ref AppUserModelIDKey, ref v);
String s = "";
if (v.vt == VT_BSTR)
{
s = Marshal.PtrToStringUni(v.pVal);
}
if (v.vt == VT_LPWSTR)
{
s = Marshal.PtrToStringUni(v.pVal);
}
Console.WriteLine(s);
}
else if (args.Length == 2 && args[0] == "/list")
{
var fp = args[1];
IShellLinkW plnk = (IShellLinkW) new CShellLink();
IPersistFile ppf = (IPersistFile)plnk;
ppf.Load(fp, STGM_READ);
IPropertyStore pps = (IPropertyStore)plnk;
uint cx;
pps.GetCount(out cx);
for (uint x = 0; x < cx; x++)
{
PropertyKey k = new PropertyKey();
pps.GetAt(x, ref k);
PropVariant v = new PropVariant();
pps.GetValue(ref k, ref v);
String s = "";
if (v.vt == VT_BSTR)
{
s = Marshal.PtrToStringUni(v.pVal);
}
if (v.vt == VT_LPWSTR)
{
s = Marshal.PtrToStringUni(v.pVal);
}
Console.WriteLine(k.fmtid.ToString("B") + " " + k.pid + " " + v.vt + " " + s);
}
}
else if (args.Length == 3 && args[0] == "/set")
{
var fp = args[1];
var s = args[2];
IShellLinkW plnk = (IShellLinkW) new CShellLink();
IPersistFile ppf = (IPersistFile)plnk;
ppf.Load(fp, STGM_READWRITE);
// http://8thway.blogspot.jp/2012/11/csharp-appusermodelid.html
IPropertyStore pps = (IPropertyStore)plnk;
PropVariant pv = new PropVariant {
vt = VT_LPWSTR,
pVal = Marshal.StringToBSTR(s)
};
pps.SetValue(ref AppUserModelIDKey, ref pv);
pps.Commit();
ppf.Save(fp, false);
}
else
{
helpYa();
}
}
/// <summary>
/// Based on https://docs.microsoft.com/en-us/windows/desktop/medfound/shell-metadata-providers
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void infoToolStripMenuItem_Click(object sender, EventArgs e)
{
IMFSourceResolver pSourceResolver = null;
IMFMediaSource pSource = null;
object pPropsObject = null;
var url = this.listView1.SelectedItems[0].Text;
try
{
// Create the source resolver.
HResult hr = MFExtern.MFCreateSourceResolver(out pSourceResolver);
Validate(hr);
if (pSourceResolver == null)
{
throw new Exception("pSourceResolver is null");
}
// Get a pointer to the IMFMediaSource interface of the media source.
hr = pSourceResolver.CreateObjectFromURL(url, MFResolution.MediaSource, null, out pSource);
Validate(hr);
if (pSource == null)
{
throw new Exception("pSource is null");
}
hr = MFExtern.MFGetService(pSource, MFServices.MF_PROPERTY_HANDLER_SERVICE, typeof(IPropertyStore).GUID, out pPropsObject);
Validate(hr);
if (pPropsObject == null)
{
throw new Exception("pPropsObject is null");
}
IPropertyStore pProps = pPropsObject as IPropertyStore;
hr = pProps.GetCount(out int cProps);
Validate(hr);
var audioInfo = new AudioInfo();
var videoInfo = new VideoInfo();
for (int i = 0; i < cProps; ++i)
{
var key = new MediaFoundation.Misc.PropertyKey();
hr = pProps.GetAt(i, key);
Validate(hr);
using (PropVariant pv = new PropVariant())
{
hr = pProps.GetValue(key, pv);
Validate(hr);
FillAudioProperty(audioInfo, key, pv);
FillVideoProperty(videoInfo, key, pv);
}
}
MessageBox.Show("Audio =\n" + audioInfo + ";\nVideo =\n" + videoInfo);
}
finally
{
if (pSource != null)
{
Marshal.ReleaseComObject(pSource);
}
if (pSourceResolver != null)
{
Marshal.ReleaseComObject(pSourceResolver);
}
if (pPropsObject != null)
{
Marshal.ReleaseComObject(pPropsObject);
}
}
// MessageBox.Show(url);
}
