/// <summary>
/// Constructor
/// </summary>
/// <param name="info">ITypeInfo object being wrapped by this object</param>
internal ComTypeInfo(COM.ITypeInfo info)
{
_typeinfo = info;
_properties = new Dictionary<String, ComProperty>(StringComparer.OrdinalIgnoreCase);
_methods = new Dictionary<String, ComMethod>(StringComparer.OrdinalIgnoreCase);
if (_typeinfo != null)
{
Initialize();
}
}
/// <summary>
/// creates an entity support list for a proxy
/// </summary>
/// <param name="comProxy"></param>
/// <returns></returns>
internal static Dictionary <string, string> GetSupportedEntities(object comProxy)
{
Guid parentLibraryGuid = GetParentLibraryGuid(comProxy);
string className = TypeDescriptor.GetClassName(comProxy);
string key = (parentLibraryGuid.ToString() + className).ToLower();
Dictionary <string, string> supportList = null;
if (_entitiesListCache.TryGetValue(key, out supportList))
{
return(supportList);
}
supportList = new Dictionary <string, string>();
IDispatch dispatch = comProxy as IDispatch;
if (null == dispatch)
{
throw new COMException("Unable to cast underlying proxy to IDispatch.");
}
COMTypes.ITypeInfo typeInfo = dispatch.GetTypeInfo(0, 0);
if (null == typeInfo)
{
throw new COMException("GetTypeInfo returns null.");
}
IntPtr typeAttrPointer = IntPtr.Zero;
typeInfo.GetTypeAttr(out typeAttrPointer);
COMTypes.TYPEATTR typeAttr = (COMTypes.TYPEATTR)Marshal.PtrToStructure(typeAttrPointer, typeof(COMTypes.TYPEATTR));
for (int i = 0; i < typeAttr.cFuncs; i++)
{
string strName, strDocString, strHelpFile;
int dwHelpContext;
IntPtr funcDescPointer = IntPtr.Zero;
System.Runtime.InteropServices.ComTypes.FUNCDESC funcDesc;
typeInfo.GetFuncDesc(i, out funcDescPointer);
funcDesc = (COMTypes.FUNCDESC)Marshal.PtrToStructure(funcDescPointer, typeof(System.Runtime.InteropServices.ComTypes.FUNCDESC));
switch (funcDesc.invkind)
{
case System.Runtime.InteropServices.ComTypes.INVOKEKIND.INVOKE_PROPERTYGET:
case System.Runtime.InteropServices.ComTypes.INVOKEKIND.INVOKE_PROPERTYPUT:
case System.Runtime.InteropServices.ComTypes.INVOKEKIND.INVOKE_PROPERTYPUTREF:
{
typeInfo.GetDocumentation(funcDesc.memid, out strName, out strDocString, out dwHelpContext, out strHelpFile);
string outValue = "";
bool exists = supportList.TryGetValue("Property-" + strName, out outValue);
if (!exists)
{
supportList.Add("Property-" + strName, strDocString);
}
break;
}
case System.Runtime.InteropServices.ComTypes.INVOKEKIND.INVOKE_FUNC:
{
typeInfo.GetDocumentation(funcDesc.memid, out strName, out strDocString, out dwHelpContext, out strHelpFile);
string outValue = "";
bool exists = supportList.TryGetValue("Method-" + strName, out outValue);
if (!exists)
{
supportList.Add("Method-" + strName, strDocString);
}
break;
}
}
typeInfo.ReleaseFuncDesc(funcDescPointer);
}
typeInfo.ReleaseTypeAttr(typeAttrPointer);
Marshal.ReleaseComObject(typeInfo);
_entitiesListCache.Add(key, supportList);
return(supportList);
}
/// <summary>
/// Initializes a new instance of ComProperty.
/// </summary>
/// <param name="typeinfo">Reference to the ITypeInfo of the COM object.</param>
/// <param name="name">Name of the property being created.</param>
internal ComProperty(COM.ITypeInfo typeinfo, string name)
{
_typeInfo = typeinfo;
Name = name;
}
// Disable obsolete warning about VarEnum in CoreCLR
#pragma warning disable 618
/// <summary>
/// This function gets a string representation of the Type Descriptor
/// This is used in generating signature for Properties and Methods.
/// </summary>
/// <param name="typeinfo">Reference to the type info to which the type descriptor belongs.</param>
/// <param name="typedesc">Reference to type descriptor which is being converted to string from.</param>
/// <returns>String representation of the type descriptor.</returns>
private static string GetStringFromTypeDesc(COM.ITypeInfo typeinfo, COM.TYPEDESC typedesc)
{
if ((VarEnum)typedesc.vt == VarEnum.VT_PTR)
{
COM.TYPEDESC refdesc = Marshal.PtrToStructure <COM.TYPEDESC>(typedesc.lpValue);
return(GetStringFromTypeDesc(typeinfo, refdesc));
}
if ((VarEnum)typedesc.vt == VarEnum.VT_SAFEARRAY)
{
COM.TYPEDESC refdesc = Marshal.PtrToStructure <COM.TYPEDESC>(typedesc.lpValue);
return("SAFEARRAY(" + GetStringFromTypeDesc(typeinfo, refdesc) + ")");
}
if ((VarEnum)typedesc.vt == VarEnum.VT_USERDEFINED)
{
return(GetStringFromCustomType(typeinfo, typedesc.lpValue));
}
switch ((VarEnum)typedesc.vt)
{
case VarEnum.VT_I1:
return("char");
case VarEnum.VT_I2:
return("short");
case VarEnum.VT_I4:
case VarEnum.VT_INT:
case VarEnum.VT_HRESULT:
return("int");
case VarEnum.VT_I8:
return("int64");
case VarEnum.VT_R4:
return("float");
case VarEnum.VT_R8:
return("double");
case VarEnum.VT_UI1:
return("byte");
case VarEnum.VT_UI2:
return("ushort");
case VarEnum.VT_UI4:
case VarEnum.VT_UINT:
return("uint");
case VarEnum.VT_UI8:
return("uint64");
case VarEnum.VT_BSTR:
case VarEnum.VT_LPSTR:
case VarEnum.VT_LPWSTR:
return("string");
case VarEnum.VT_DATE:
return("Date");
case VarEnum.VT_BOOL:
return("bool");
case VarEnum.VT_CY:
return("currency");
case VarEnum.VT_DECIMAL:
return("decimal");
case VarEnum.VT_CLSID:
return("clsid");
case VarEnum.VT_DISPATCH:
return("IDispatch");
case VarEnum.VT_UNKNOWN:
return("IUnknown");
case VarEnum.VT_VARIANT:
return("Variant");
case VarEnum.VT_VOID:
return("void");
case VarEnum.VT_ARRAY:
return("object[]");
case VarEnum.VT_EMPTY:
return(string.Empty);
default:
return("Unknown!");
}
}
/// <summary>
/// Gets Method Signature from FuncDesc describing the method.
/// </summary>
/// <param name="typeinfo">ITypeInfo interface of the object.</param>
/// <param name="funcdesc">FuncDesc which defines the method.</param>
/// <param name="isPropertyPut">True if this is a property put; these properties take their return type from their first parameter.</param>
/// <returns>Signature of the method.</returns>
internal static string GetMethodSignatureFromFuncDesc(COM.ITypeInfo typeinfo, COM.FUNCDESC funcdesc, bool isPropertyPut)
{
StringBuilder builder = new StringBuilder();
// First value is function name
int namesCount = funcdesc.cParams + 1;
string[] names = new string[funcdesc.cParams + 1];
typeinfo.GetNames(funcdesc.memid, names, namesCount, out namesCount);
if (!isPropertyPut)
{
// First get the string for return type.
string retstring = GetStringFromTypeDesc(typeinfo, funcdesc.elemdescFunc.tdesc);
builder.Append(retstring + " ");
}
// Append the function name
builder.Append(names[0]);
builder.Append(" (");
IntPtr ElementDescriptionArrayPtr = funcdesc.lprgelemdescParam;
int ElementDescriptionSize = Marshal.SizeOf <COM.ELEMDESC>();
for (int i = 0; i < funcdesc.cParams; i++)
{
COM.ELEMDESC ElementDescription;
int ElementDescriptionArrayByteOffset;
IntPtr ElementDescriptionPointer;
ElementDescription = new COM.ELEMDESC();
ElementDescriptionArrayByteOffset = i * ElementDescriptionSize;
// Disable PRefast warning for converting to int32 and converting back into intptr.
// Code below takes into account 32 bit vs 64 bit conversions
#pragma warning disable 56515
if (IntPtr.Size == 4)
{
ElementDescriptionPointer = (IntPtr)(ElementDescriptionArrayPtr.ToInt32() + ElementDescriptionArrayByteOffset);
}
else
{
ElementDescriptionPointer = (IntPtr)(ElementDescriptionArrayPtr.ToInt64() + ElementDescriptionArrayByteOffset);
}
#pragma warning restore 56515
ElementDescription = Marshal.PtrToStructure <COM.ELEMDESC>(ElementDescriptionPointer);
string paramstring = GetStringFromTypeDesc(typeinfo, ElementDescription.tdesc);
if (i == 0 && isPropertyPut) // use the type of the first argument as the return type
{
builder.Insert(0, paramstring + " ");
}
else
{
builder.Append(paramstring);
builder.Append(" " + names[i + 1]);
if (i < funcdesc.cParams - 1)
{
builder.Append(", ");
}
}
}
builder.Append(")");
return(builder.ToString());
}
/// <summary>
/// Returns a string value representing the type name of the specified COM object.
/// </summary>
/// <param name="comObj">A COM object the type name of which to return.</param>
/// <returns>A string containing the type name.</returns>
public static string GetTypeName(object comObj)
{
if (comObj == null)
{
return(String.Empty);
}
if (!Marshal.IsComObject(comObj))
{
//The specified object is not a COM object
return(String.Empty);
}
IDispatch dispatch = comObj as IDispatch;
if (dispatch == null)
{
//The specified COM object doesn't support getting type information
return(String.Empty);
}
ComTypes.ITypeInfo typeInfo = null;
try
{
try
{
// obtain the ITypeInfo interface from the object
dispatch.GetTypeInfo(0, 0, out typeInfo);
}
catch (Exception ex)
{
//Cannot get the ITypeInfo interface for the specified COM object
return(String.Empty);
}
string typeName = "";
string documentation, helpFile;
int helpContext = -1;
try
{
//retrieves the documentation string for the specified type description
typeInfo.GetDocumentation(-1, out typeName, out documentation,
out helpContext, out helpFile);
}
catch (Exception ex)
{
// Cannot extract ITypeInfo information
return(String.Empty);
}
return(typeName);
}
catch (Exception ex)
{
// Unexpected error
return(String.Empty);
}
finally
{
if (typeInfo != null)
{
Marshal.ReleaseComObject(typeInfo);
}
}
}
private void EnsureScanDefinedMethods()
{
if (_comTypeDesc?.Funcs != null)
{
return;
}
ComTypes.ITypeInfo typeInfo = ComRuntimeHelpers.GetITypeInfoFromIDispatch(DispatchObject);
if (typeInfo == null)
{
_comTypeDesc = ComTypeDesc.CreateEmptyTypeDesc();
return;
}
ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo);
if (_comTypeDesc == null)
{
lock (s_cacheComTypeDesc)
{
if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out _comTypeDesc) &&
_comTypeDesc.Funcs != null)
{
return;
}
}
}
ComTypeDesc typeDesc = ComTypeDesc.FromITypeInfo(typeInfo, typeAttr);
ComMethodDesc getItem = null;
ComMethodDesc setItem = null;
Hashtable funcs = new Hashtable(typeAttr.cFuncs);
Hashtable puts = new Hashtable();
Hashtable putrefs = new Hashtable();
for (int definedFuncIndex = 0; definedFuncIndex < typeAttr.cFuncs; definedFuncIndex++)
{
IntPtr funcDescHandleToRelease = IntPtr.Zero;
try
{
GetFuncDescForDescIndex(typeInfo, definedFuncIndex, out ComTypes.FUNCDESC funcDesc, out funcDescHandleToRelease);
if ((funcDesc.wFuncFlags & (int)ComTypes.FUNCFLAGS.FUNCFLAG_FRESTRICTED) != 0)
{
// This function is not meant for the script user to use.
continue;
}
ComMethodDesc method = new ComMethodDesc(typeInfo, funcDesc);
string name = method.Name.ToUpper(CultureInfo.InvariantCulture);
if ((funcDesc.invkind & ComTypes.INVOKEKIND.INVOKE_PROPERTYPUT) != 0)
{
puts.Add(name, method);
// for the special dispId == 0, we need to store
// the method descriptor for the Do(SetItem) binder.
if (method.DispId == ComDispIds.DISPID_VALUE && setItem == null)
{
setItem = method;
}
continue;
}
if ((funcDesc.invkind & ComTypes.INVOKEKIND.INVOKE_PROPERTYPUTREF) != 0)
{
putrefs.Add(name, method);
// for the special dispId == 0, we need to store
// the method descriptor for the Do(SetItem) binder.
if (method.DispId == ComDispIds.DISPID_VALUE && setItem == null)
{
setItem = method;
}
continue;
}
if (funcDesc.memid == ComDispIds.DISPID_NEWENUM)
{
funcs.Add("GETENUMERATOR", method);
continue;
}
funcs.Add(name, method);
// for the special dispId == 0, we need to store the method descriptor
// for the Do(GetItem) binder.
if (funcDesc.memid == ComDispIds.DISPID_VALUE)
{
getItem = method;
}
}
finally
{
if (funcDescHandleToRelease != IntPtr.Zero)
{
typeInfo.ReleaseFuncDesc(funcDescHandleToRelease);
}
}
}
lock (s_cacheComTypeDesc)
{
if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out ComTypeDesc cachedTypeDesc))
{
_comTypeDesc = cachedTypeDesc;
}
else
{
_comTypeDesc = typeDesc;
s_cacheComTypeDesc.Add(typeAttr.guid, _comTypeDesc);
}
_comTypeDesc.Funcs = funcs;
_comTypeDesc.Puts = puts;
_comTypeDesc.PutRefs = putrefs;
_comTypeDesc.EnsureGetItem(getItem);
_comTypeDesc.EnsureSetItem(setItem);
}
}
private void EnsureScanDefinedMethods()
{
if (_comTypeDesc != null && _comTypeDesc.Funcs != null)
{
return;
}
ComTypes.ITypeInfo typeInfo = ComRuntimeHelpers.GetITypeInfoFromIDispatch(DispatchObject, true);
if (typeInfo == null)
{
_comTypeDesc = ComTypeDesc.CreateEmptyTypeDesc();
return;
}
ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo);
if (_comTypeDesc == null)
{
lock (s_cacheComTypeDesc)
{
if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out _comTypeDesc) == true &&
_comTypeDesc.Funcs != null)
{
return;
}
}
}
if (typeAttr.typekind == ComTypes.TYPEKIND.TKIND_INTERFACE)
{
//We have typeinfo for custom interface. Get typeinfo for Dispatch interface.
typeInfo = ComTypeInfo.GetDispatchTypeInfoFromCustomInterfaceTypeInfo(typeInfo);
typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo);
}
if (typeAttr.typekind == ComTypes.TYPEKIND.TKIND_COCLASS)
{
//We have typeinfo for the COClass. Find the default interface and get typeinfo for default interface.
typeInfo = ComTypeInfo.GetDispatchTypeInfoFromCoClassTypeInfo(typeInfo);
typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo);
}
ComTypeDesc typeDesc = ComTypeDesc.FromITypeInfo(typeInfo, typeAttr);
ComMethodDesc getItem = null;
ComMethodDesc setItem = null;
Hashtable funcs = new Hashtable(typeAttr.cFuncs);
Hashtable puts = new Hashtable();
Hashtable putrefs = new Hashtable();
for (int definedFuncIndex = 0; definedFuncIndex < typeAttr.cFuncs; definedFuncIndex++)
{
IntPtr funcDescHandleToRelease = IntPtr.Zero;
try
{
ComTypes.FUNCDESC funcDesc;
GetFuncDescForDescIndex(typeInfo, definedFuncIndex, out funcDesc, out funcDescHandleToRelease);
if ((funcDesc.wFuncFlags & (int)ComTypes.FUNCFLAGS.FUNCFLAG_FRESTRICTED) != 0)
{
// This function is not meant for the script user to use.
continue;
}
ComMethodDesc method = new ComMethodDesc(typeInfo, funcDesc);
string name = method.Name.ToUpper(System.Globalization.CultureInfo.InvariantCulture);
if ((funcDesc.invkind & ComTypes.INVOKEKIND.INVOKE_PROPERTYPUT) != 0)
{
// If there is a getter for this put, use that ReturnType as the
// PropertyType.
if (funcs.ContainsKey(name))
{
method.InputType = ((ComMethodDesc)funcs[name]).ReturnType;
}
puts.Add(name, method);
// for the special dispId == 0, we need to store
// the method descriptor for the Do(SetItem) binder.
if (method.DispId == ComDispIds.DISPID_VALUE && setItem == null)
{
setItem = method;
}
continue;
}
if ((funcDesc.invkind & ComTypes.INVOKEKIND.INVOKE_PROPERTYPUTREF) != 0)
{
// If there is a getter for this put, use that ReturnType as the
// PropertyType.
if (funcs.ContainsKey(name))
{
method.InputType = ((ComMethodDesc)funcs[name]).ReturnType;
}
putrefs.Add(name, method);
// for the special dispId == 0, we need to store
// the method descriptor for the Do(SetItem) binder.
if (method.DispId == ComDispIds.DISPID_VALUE && setItem == null)
{
setItem = method;
}
continue;
}
if (funcDesc.memid == ComDispIds.DISPID_NEWENUM)
{
funcs.Add("GETENUMERATOR", method);
continue;
}
// If there is a setter for this put, update the InputType from our
// ReturnType.
if (puts.ContainsKey(name))
{
((ComMethodDesc)puts[name]).InputType = method.ReturnType;
}
if (putrefs.ContainsKey(name))
{
((ComMethodDesc)putrefs[name]).InputType = method.ReturnType;
}
funcs.Add(name, method);
// for the special dispId == 0, we need to store the method descriptor
// for the Do(GetItem) binder.
if (funcDesc.memid == ComDispIds.DISPID_VALUE)
{
getItem = method;
}
}
finally
{
if (funcDescHandleToRelease != IntPtr.Zero)
{
typeInfo.ReleaseFuncDesc(funcDescHandleToRelease);
}
}
}
lock (s_cacheComTypeDesc)
{
ComTypeDesc cachedTypeDesc;
if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out cachedTypeDesc))
{
_comTypeDesc = cachedTypeDesc;
}
else
{
_comTypeDesc = typeDesc;
s_cacheComTypeDesc.Add(typeAttr.guid, _comTypeDesc);
}
_comTypeDesc.Funcs = funcs;
_comTypeDesc.Puts = puts;
_comTypeDesc.PutRefs = putrefs;
_comTypeDesc.EnsureGetItem(getItem);
_comTypeDesc.EnsureSetItem(setItem);
}
}
public TypeInfoVariablesCollection(ComTypes.ITypeInfo parent, ComTypes.TYPEATTR attributes)
{
Parent = parent;
_count = attributes.cVars;
}
internal ComTypeEnumDesc(ComTypes.ITypeInfo typeInfo) :
base(typeInfo)
{
}
/// <summary>
/// Initializes new instance of ComMethod class.
/// </summary>
internal ComMethod(COM.ITypeInfo typeinfo, string name)
{
_typeInfo = typeinfo;
Name = name;
}
internal static string GetNameOfMethod(ComTypes.ITypeInfo typeInfo, int memid)
{
string[] rgNames = new string[1];
typeInfo.GetNames(memid, rgNames, 1, out int _);
return(rgNames[0]);
}
internal static void GetInfoFromType(ComTypes.ITypeInfo typeInfo, out string name, out string documentation)
{
typeInfo.GetDocumentation(-1, out name, out documentation, out int _, out string _);
}
internal static string GetNameOfType(ComTypes.ITypeInfo typeInfo)
{
GetInfoFromType(typeInfo, out string name, out string _);
return(name);
}
/// <summary>
/// Initializes a new instance of ComProperty.
/// </summary>
/// <param name="typeinfo">reference to the ITypeInfo of the COM object</param>
/// <param name="name">name of the property being created.</param>
internal ComProperty(COM.ITypeInfo typeinfo, string name)
{
_typeInfo = typeinfo;
Name = name;
}
private void EnsureScanDefinedEvents()
{
// _comTypeDesc.Events is null if we have not yet attempted
// to scan the object for events.
if (_comTypeDesc?.Events != null)
{
return;
}
// check type info in the type descriptions cache
ComTypes.ITypeInfo typeInfo = ComRuntimeHelpers.GetITypeInfoFromIDispatch(DispatchObject);
if (typeInfo == null)
{
_comTypeDesc = ComTypeDesc.CreateEmptyTypeDesc();
return;
}
ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo);
if (_comTypeDesc == null)
{
lock (s_cacheComTypeDesc)
{
if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out _comTypeDesc) &&
_comTypeDesc.Events != null)
{
return;
}
}
}
ComTypeDesc typeDesc = ComTypeDesc.FromITypeInfo(typeInfo, typeAttr);
ComTypes.ITypeInfo classTypeInfo;
Dictionary <string, ComEventDesc> events;
var cpc = RuntimeCallableWrapper as ComTypes.IConnectionPointContainer;
if (cpc == null)
{
// No ICPC - this object does not support events
events = ComTypeDesc.EmptyEvents;
}
else if ((classTypeInfo = GetCoClassTypeInfo(RuntimeCallableWrapper, typeInfo)) == null)
{
// no class info found - this object may support events
// but we could not discover those
events = ComTypeDesc.EmptyEvents;
}
else
{
events = new Dictionary <string, ComEventDesc>();
ComTypes.TYPEATTR classTypeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(classTypeInfo);
for (int i = 0; i < classTypeAttr.cImplTypes; i++)
{
classTypeInfo.GetRefTypeOfImplType(i, out int hRefType);
classTypeInfo.GetRefTypeInfo(hRefType, out ComTypes.ITypeInfo interfaceTypeInfo);
classTypeInfo.GetImplTypeFlags(i, out ComTypes.IMPLTYPEFLAGS flags);
if ((flags & ComTypes.IMPLTYPEFLAGS.IMPLTYPEFLAG_FSOURCE) != 0)
{
ScanSourceInterface(interfaceTypeInfo, ref events);
}
}
if (events.Count == 0)
{
events = ComTypeDesc.EmptyEvents;
}
}
lock (s_cacheComTypeDesc)
{
if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out ComTypeDesc cachedTypeDesc))
{
_comTypeDesc = cachedTypeDesc;
}
else
{
_comTypeDesc = typeDesc;
s_cacheComTypeDesc.Add(typeAttr.guid, _comTypeDesc);
}
_comTypeDesc.Events = events;
}
}
/// <summary>
/// Initializes new instance of ComMethod class.
/// </summary>
internal ComMethod(COM.ITypeInfo typeinfo, string name)
{
_typeInfo = typeinfo;
Name = name;
}
/// <summary>
/// Returns all running com proxies + add. informations from the running object table there matched with the input parameters
/// WARNING: the method returns always the first com proxy from the running object table if multiple (match) proxies exists.
/// </summary>
/// <returns>IDisposableEnumeration with proxy informations</returns>
public static IDisposableEnumeration <ProxyInformation> GetActiveProxyInformations()
{
IEnumMoniker monikerList = null;
IRunningObjectTable runningObjectTable = null;
RunningObjectTableItemCollection resultList = new RunningObjectTableItemCollection();
try
{
// query table and returns null if no objects running
if (GetRunningObjectTable(0, out runningObjectTable) != 0 || runningObjectTable == null)
{
return(null);
}
// query moniker & reset
runningObjectTable.EnumRunning(out monikerList);
monikerList.Reset();
IMoniker[] monikerContainer = new IMoniker[1];
IntPtr pointerFetchedMonikers = IntPtr.Zero;
// fetch all moniker
while (monikerList.Next(1, monikerContainer, pointerFetchedMonikers) == 0)
{
// query com proxy info
object comInstance = null;
runningObjectTable.GetObject(monikerContainer[0], out comInstance);
if (null == comInstance)
{
continue;
}
string name = TypeDescriptor.GetClassName(comInstance);
string component = TypeDescriptor.GetComponentName(comInstance, false);
IBindCtx bindInfo = null;
string displayName = String.Empty;
Guid classID = Guid.Empty;
if (CreateBindCtx(0, out bindInfo) == 0)
{
monikerContainer[0].GetDisplayName(bindInfo, null, out displayName);
monikerContainer[0].GetClassID(out classID);
Marshal.ReleaseComObject(bindInfo);
}
string itemClassName = TypeDescriptor.GetClassName(comInstance);
string itemComponentName = TypeDescriptor.GetComponentName(comInstance);
COMTypes.ITypeInfo typeInfo = null;
string itemLibrary = String.Empty;
if (classID != Guid.Empty)
{
typeInfo = TryCreateTypeInfo(comInstance);
itemLibrary = null != typeInfo?GetParentLibraryGuid(typeInfo).ToString() : String.Empty;
}
string itemID = classID != Guid.Empty ? classID.ToString() : String.Empty;
ProxyInformation entry =
new ProxyInformation(comInstance, displayName, itemID, itemClassName,
itemComponentName, itemLibrary, IntPtr.Zero, ProxyInformation.ProcessElevation.Unknown);
resultList.Add(entry);
if (classID != Guid.Empty && typeInfo != null)
{
ReleaseTypeInfo(typeInfo);
}
}
return(resultList);
}
catch (Exception exception)
{
DebugConsole.Default.WriteException(exception);
throw;
}
finally
{
// release proxies
if (runningObjectTable != null)
{
Marshal.ReleaseComObject(runningObjectTable);
}
if (monikerList != null)
{
Marshal.ReleaseComObject(monikerList);
}
}
}
