Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / AxImporter.cs / 1 / AxImporter.cs
namespace System.Windows.Forms.Design {
using System.Design;
using System;
using Microsoft.Win32;
using System.ComponentModel;
using System.IO;
using System.ComponentModel.Design;
using System.Reflection;
using System.Reflection.Emit;
using System.Diagnostics;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using TYPELIBATTR = System.Runtime.InteropServices.TYPELIBATTR;
using TYPEKIND = System.Runtime.InteropServices.ComTypes.TYPEKIND;
using TYPEATTR = System.Runtime.InteropServices.ComTypes.TYPEATTR;
using System.Collections;
using System.Globalization;
///
///
/// Imports ActiveX controls and generates a wrapper that can be accessed by a
/// designer.
///
///
public class AxImporter {
// Private instance data.
//
internal Options options;
internal string typeLibName;
private ArrayList refAssems;
private ArrayList genAssems;
private ArrayList tlbAttrs;
private ArrayList generatedSources;
private Hashtable copiedAssems;
private Hashtable rcwCache;
///
/// [To be supplied.]
///
public string[] GeneratedAssemblies {
get {
if (genAssems == null || genAssems.Count <= 0) {
return new string[0];
}
Debug.Assert(tlbAttrs.Count == genAssems.Count, "Number of typelibs not equal to number of generated assemblies");
string[] gen = new string[genAssems.Count];
// Return references to all the generated assemblies.
//
for (int i = 0; i < genAssems.Count; ++i) {
gen[i] = (string)genAssems[i];
}
return gen;
}
}
///
/// [To be supplied.]
///
#pragma warning disable 618
public TYPELIBATTR[] GeneratedTypeLibAttributes {
get {
if (tlbAttrs == null) {
return new TYPELIBATTR[0];
}
TYPELIBATTR[] gen = new TYPELIBATTR[tlbAttrs.Count];
// Return references to all the generated assemblies.
//
for (int i = 0; i < tlbAttrs.Count; ++i) {
gen[i] = (TYPELIBATTR)tlbAttrs[i];
}
return gen;
}
}
#pragma warning restore 618
///
/// [To be supplied.]
///
public string[] GeneratedSources {
get {
if (options.genSources) {
string[] srcs = new string[ generatedSources.Count ];
for (int i = 0; i < generatedSources.Count; i++) {
srcs[ i ] = (string) generatedSources[ i ];
}
return srcs;
}
else
return null;
}
}
private void AddDependentAssemblies(Assembly assem, string assemPath) {
AssemblyName[] refAssems = assem.GetReferencedAssemblies();
foreach(AssemblyName an in refAssems) {
if (String.Equals(an.Name, "mscorlib", StringComparison.OrdinalIgnoreCase))
continue;
string codebase = GetComReference(an);
// If we can't get a valid codebase, see if we can load this
// assembly from the AssemblyName (should succeed if this is
// in the GAC or some path where Fusion can find this) and then
// get the codebase from there.
//
if (codebase == null) {
Assembly dependAssem = null;
try
{
dependAssem = Assembly.Load(an);
}
catch (FileNotFoundException)
{
// nope, try looking in the same path as we are currently in...
//
if (an.CodeBase == null)
{
AssemblyName newName = AssemblyName.GetAssemblyName(Path.Combine(Path.GetDirectoryName(assemPath), an.Name + ".dll"));
dependAssem = Assembly.Load(newName);
}
else {
throw;
}
}
codebase = dependAssem.EscapedCodeBase;
if (codebase != null) {
codebase = GetLocalPath(codebase);
}
}
Debug.Assert(codebase != null, "No reference found for assembly: " + an.Name);
AddReferencedAssembly(codebase);
}
}
private void AddReferencedAssembly(string assem) {
if (refAssems == null) {
refAssems = new ArrayList();
}
refAssems.Add(assem);
}
private void AddGeneratedAssembly(string assem) {
if (genAssems == null) {
genAssems = new ArrayList();
}
genAssems.Add(assem);
}
internal void AddRCW(ITypeLib typeLib, Assembly assem) {
if (rcwCache == null) {
rcwCache = new Hashtable();
}
IntPtr typeLibAttr = NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out typeLibAttr);
try {
if (typeLibAttr != NativeMethods.InvalidIntPtr) {
// Marshal the returned int as a TLibAttr structure
//
#pragma warning disable 618
TYPELIBATTR tlbAttr = (TYPELIBATTR) Marshal.PtrToStructure(typeLibAttr, typeof(TYPELIBATTR));
#pragma warning restore 618
rcwCache.Add(tlbAttr.guid, assem);
}
}
finally {
typeLib.ReleaseTLibAttr(typeLibAttr);
}
}
internal Assembly FindRCW(ITypeLib typeLib) {
if (rcwCache == null) {
return null;
}
IntPtr typeLibAttr = NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out typeLibAttr);
try {
if (typeLibAttr != NativeMethods.InvalidIntPtr) {
// Marshal the returned int as a TLibAttr structure
//
#pragma warning disable 618
TYPELIBATTR tlbAttr = (TYPELIBATTR) Marshal.PtrToStructure(typeLibAttr, typeof(TYPELIBATTR));
#pragma warning restore 618
return (Assembly)rcwCache[tlbAttr.guid];
}
}
finally {
typeLib.ReleaseTLibAttr(typeLibAttr);
}
return null;
}
private void AddTypeLibAttr(ITypeLib typeLib) {
// Add the TYPELIBATTR of the TypeLib to our list.
//
if (tlbAttrs == null) {
tlbAttrs = new ArrayList();
}
IntPtr typeLibAttr = NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out typeLibAttr);
if (typeLibAttr != NativeMethods.InvalidIntPtr) {
// Marshal the returned int as a TLibAttr structure
//
#pragma warning disable 618
TYPELIBATTR typeLibraryAttributes = (TYPELIBATTR) Marshal.PtrToStructure(typeLibAttr, typeof(TYPELIBATTR));
#pragma warning restore 618
tlbAttrs.Add(typeLibraryAttributes);
typeLib.ReleaseTLibAttr(typeLibAttr);
}
}
private string GetAxReference(ITypeLib typeLib) {
if (options.references == null)
return null;
#pragma warning disable 618
return options.references.ResolveActiveXReference((UCOMITypeLib)typeLib);
#pragma warning restore 618
}
private string GetReferencedAssembly(string assemName) {
if (refAssems == null || refAssems.Count <= 0)
return null;
foreach(string assemRef in refAssems) {
if (String.Equals(assemRef, assemName, StringComparison.OrdinalIgnoreCase))
{
return assemRef;
}
}
return null;
}
private string GetComReference(ITypeLib typeLib) {
if (options.references == null)
return null;
#pragma warning disable 618
return options.references.ResolveComReference((UCOMITypeLib)typeLib);
#pragma warning restore 618
}
private string GetComReference(AssemblyName name) {
if (options.references == null)
return name.EscapedCodeBase;
return options.references.ResolveComReference(name);
}
private string GetManagedReference(string assemName) {
if (options.references == null)
return assemName + ".dll";
return options.references.ResolveManagedReference(assemName);
}
///
/// Walks through all AxHost derived classes in the given assembly,
/// and returns the type that matches our control's CLSID.
///
private string GetAxTypeFromAssembly(string fileName, Guid clsid) {
Assembly a = GetCopiedAssembly(fileName, true, false);
Type[] types = a.GetTypes();
foreach(Type t in types) {
if (!(typeof(AxHost).IsAssignableFrom(t))) {
continue;
}
object[] attrs = t.GetCustomAttributes(typeof(AxHost.ClsidAttribute), false);
Debug.Assert(attrs != null && attrs.Length == 1, "Invalid number of GuidAttributes found on: " + t.FullName);
AxHost.ClsidAttribute clsidAttr = (AxHost.ClsidAttribute)attrs[0];
if (clsidAttr.Value == "{" + clsid.ToString() + "}")
return t.FullName;
}
return null;
}
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Reliability", "CA2001:AvoidCallingProblematicMethods")]
private Assembly GetCopiedAssembly(string fileName, bool loadPdb, bool isPIA) {
if (!File.Exists(fileName)) {
return null;
}
Assembly assembly = null;
string upperFileName = fileName.ToUpper(CultureInfo.InvariantCulture);
if (copiedAssems == null) {
copiedAssems = new Hashtable();
}
else {
if (copiedAssems.Contains(upperFileName))
return (Assembly)copiedAssems[upperFileName];
}
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Loading assembly " + fileName + ((!isPIA) ? " from bytes" : " from file"));
if (!isPIA) {
// Shadow copy the assembly first...
//
Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
int streamLen = (int)stream.Length;
byte[] assemblyBytes = new byte[streamLen];
stream.Read(assemblyBytes, 0, streamLen);
stream.Close();
byte[] pdbBytes = null;
if (loadPdb) {
// See if we can discover a PDB at the same time.
//
string pdbName = Path.ChangeExtension(fileName, "pdb");
if (File.Exists(pdbName)) {
stream = new FileStream(pdbName, FileMode.Open, FileAccess.Read, FileShare.Read);
streamLen = (int)stream.Length;
pdbBytes = new byte[streamLen];
stream.Read(pdbBytes, 0, streamLen);
stream.Close();
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Located assembly PDB " + pdbName + " containing " + streamLen + " bytes.");
}
}
if (pdbBytes == null) {
assembly = Assembly.Load(assemblyBytes);
}
else {
assembly = Assembly.Load(assemblyBytes, pdbBytes);
}
}
else {
assembly = Assembly.LoadFrom(fileName);
}
copiedAssems.Add(upperFileName, assembly);
return assembly;
}
///
/// Gets the file name corresponding to the given TypelibAttribute.
///
private static string GetFileOfTypeLib(ITypeLib typeLib) {
IntPtr typeLibAttr = NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out typeLibAttr);
if (typeLibAttr != NativeMethods.InvalidIntPtr) {
// Marshal the returned int as a TLibAttr structure
//
#pragma warning disable 618
TYPELIBATTR typeLibraryAttributes = (TYPELIBATTR) Marshal.PtrToStructure(typeLibAttr, typeof(TYPELIBATTR));
#pragma warning restore 618
try {
return GetFileOfTypeLib(ref typeLibraryAttributes);
}
finally {
typeLib.ReleaseTLibAttr(typeLibAttr);
}
}
return null;
}
///
/// Gets the file name corresponding to the given TypelibAttribute.
///
#pragma warning disable 618
public static string GetFileOfTypeLib(ref TYPELIBATTR tlibattr) {
#pragma warning restore 618
// Get which file the type library resides in. If the appropriate
// file cannot be found then a blank string is returned.
string returnedPath = null;
// Get the path from the registry
returnedPath = NativeMethods.QueryPathOfRegTypeLib(ref tlibattr.guid, tlibattr.wMajorVerNum, tlibattr.wMinorVerNum, tlibattr.lcid);
if (returnedPath.Length > 0) {
// Remove the '\0' characters at the end of the string, so File.Exists()
// does not get confused.
int nullTerminate = returnedPath.IndexOf('\0');
if (nullTerminate > -1) {
returnedPath = returnedPath.Substring(0, nullTerminate);
}
// If we got a path then it might have a type library number appended to
// it. If so, then we need to strip it.
if (!File.Exists(returnedPath)) {
// Strip the type library number
//
int lastSlash = returnedPath.LastIndexOf(Path.DirectorySeparatorChar);
if (lastSlash != -1) {
bool allNumbers = true;
for (int i = lastSlash + 1; i < returnedPath.Length; i++) {
// We have to check for NULL here because QueryPathOfRegTypeLib() returns
// a BSTR with a NULL character appended to it.
if (returnedPath[i] != '\0' && !Char.IsDigit(returnedPath[i])) {
allNumbers = false;
break;
}
}
// If we had all numbers past the last slash then we're OK to strip
// the type library number
if (allNumbers) {
returnedPath = returnedPath.Substring(0, lastSlash);
if (!File.Exists(returnedPath)) {
returnedPath = null;
}
}
else {
returnedPath = null;
}
}
else {
returnedPath = null;
}
}
}
return returnedPath;
}
///
/// This method takes a file URL and converts it to a local path. The trick here is that
/// if there is a '#' in the path, everything after this is treated as a fragment. So
/// we need to append the fragment to the end of the path.
///
private string GetLocalPath(string fileName) {
System.Diagnostics.Debug.Assert(fileName != null && fileName.Length > 0, "Cannot get local path, fileName is not valid");
Uri uri = new Uri(fileName);
return uri.LocalPath + uri.Fragment;
}
///
///
/// Generates a wrapper for an ActiveX control for use in the design-time
/// environment.
///
///
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2102:CatchNonClsCompliantExceptionsInGeneralHandlers")]
internal string GenerateFromActiveXClsid(Guid clsid) {
string controlKey = "CLSID\\{" + clsid.ToString() + "}";
RegistryKey key = Registry.ClassesRoot.OpenSubKey(controlKey);
if (key == null) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "No registry key found for: " + controlKey);
throw new ArgumentException(SR.GetString(SR.AXNotRegistered, controlKey.ToString()));
}
// Load the typelib into memory.
//
ITypeLib typeLib = null;
// Try to get the TypeLib's Guid.
//
Guid tlbGuid = Guid.Empty;
// Open the key for the TypeLib
//
RegistryKey tlbKey = key.OpenSubKey("TypeLib");
if (tlbKey != null) {
// Get the major and minor version numbers.
//
RegistryKey verKey = key.OpenSubKey("Version");
Debug.Assert(verKey != null, "No version registry key found for: " + controlKey);
short majorVer = -1;
short minorVer = -1;
string ver = (string)verKey.GetValue("");
int dot = ver.IndexOf('.');
if (dot == -1) {
majorVer = Int16.Parse(ver, CultureInfo.InvariantCulture);
minorVer = 0;
}
else {
majorVer = Int16.Parse(ver.Substring(0, dot), CultureInfo.InvariantCulture);
minorVer = Int16.Parse(ver.Substring(dot + 1, ver.Length - dot - 1), CultureInfo.InvariantCulture);
}
Debug.Assert(majorVer > 0 && minorVer >= 0, "No Major version number found for: " + controlKey);
verKey.Close();
object o = tlbKey.GetValue("");
tlbGuid = new Guid((string)o);
Debug.Assert(!tlbGuid.Equals(Guid.Empty), "No valid Guid found for: " + controlKey);
tlbKey.Close();
try {
typeLib = NativeMethods.LoadRegTypeLib(ref tlbGuid, majorVer, minorVer, Application.CurrentCulture.LCID);
}
catch (Exception e) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Failed to LoadRegTypeLib: " + e.ToString());
}
}
// Try to load the TLB directly from the InprocServer32.
//
// If that fails, try to load the TLB based on the TypeLib guid key.
//
if (typeLib == null) {
RegistryKey inprocServerKey = key.OpenSubKey("InprocServer32");
if (inprocServerKey != null) {
string inprocServer = (string)inprocServerKey.GetValue("");
Debug.Assert(inprocServer != null, "No valid InprocServer32 found for: " + controlKey);
inprocServerKey.Close();
typeLib = NativeMethods.LoadTypeLib(inprocServer);
}
}
key.Close();
if (typeLib != null) {
try {
#pragma warning disable 618
return GenerateFromTypeLibrary((UCOMITypeLib)typeLib, clsid);
#pragma warning restore 618
}
finally {
Marshal.ReleaseComObject(typeLib);
}
}
else {
throw new ArgumentException(SR.GetString(SR.AXNotRegistered, controlKey.ToString()));
}
}
///
/// Generates a wrapper for an ActiveX control for use in the design-time
/// environment.
///
public string GenerateFromFile(FileInfo file) {
typeLibName = file.FullName;
ITypeLib typeLib = null;
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Loading Typelib from " + typeLibName);
typeLib = (ITypeLib)NativeMethods.LoadTypeLib(typeLibName);
if (typeLib == null) {
throw new Exception(SR.GetString(SR.AXCannotLoadTypeLib, typeLibName));
}
try {
#pragma warning disable 618
return GenerateFromTypeLibrary((UCOMITypeLib)typeLib);
#pragma warning restore 618
}
finally {
if (typeLib != null) {
Marshal.ReleaseComObject(typeLib);
}
}
}
///
/// Generates a wrapper for an ActiveX control for use in the design-time
/// environment.
///
#pragma warning disable 618
public string GenerateFromTypeLibrary(UCOMITypeLib typeLib) {
#pragma warning restore 618
bool foundAxCtl = false;
int ctypes = ((ITypeLib)typeLib).GetTypeInfoCount();
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Number of TypeInfos found in typelib: " + ctypes);
for (int i = 0; i < ctypes; ++i) {
IntPtr pAttr;
TYPEATTR typeAttr;
ITypeInfo pTI;
((ITypeLib)typeLib).GetTypeInfo(i, out pTI);
pTI.GetTypeAttr(out pAttr);
typeAttr = (TYPEATTR)Marshal.PtrToStructure(pAttr, typeof(TYPEATTR));
if ((int)typeAttr.typekind == (int)TYPEKIND.TKIND_COCLASS) {
Guid g = typeAttr.guid;
string controlKey = "CLSID\\{" + g.ToString() + "}\\Control";
RegistryKey key = Registry.ClassesRoot.OpenSubKey(controlKey);
if (key != null) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Found ActiveX control with the following GUID: " + g.ToString());
foundAxCtl = true;
}
}
pTI.ReleaseTypeAttr(pAttr);
pAttr = IntPtr.Zero;
Marshal.ReleaseComObject(pTI);
pTI = null;
}
if (foundAxCtl) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Generating Windows Forms wrappers for: " + typeLibName);
return GenerateFromTypeLibrary(typeLib, Guid.Empty);
}
else {
string errMsg = SR.GetString(SR.AXNoActiveXControls, (typeLibName != null) ? typeLibName : Marshal.GetTypeLibName((ITypeLib)typeLib));
if (options.msBuildErrors) {
errMsg = "AxImp: error aximp000: " + errMsg;
}
throw new Exception(errMsg);
}
}
///
///
/// Generates a wrapper for an ActiveX control for use in the design-time
/// environment.
///
///
#pragma warning disable 618
public string GenerateFromTypeLibrary(UCOMITypeLib typeLib, Guid clsid) {
#pragma warning restore 618
string axWFW = null;
string axctlType = null;
Assembly rcw = null;
// Look to see if we can find the AxWrapper also for this typeLib.
//
axWFW = GetAxReference((ITypeLib)typeLib);
if (axWFW != null && clsid != Guid.Empty) {
axctlType = GetAxTypeFromAssembly(axWFW, clsid);
}
if (axWFW == null) {
string tlbName = Marshal.GetTypeLibName((ITypeLib)typeLib);
string rcwName = Path.Combine(options.outputDirectory, tlbName + ".dll");
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Converting TypeLib Name: " + tlbName + " in " + rcwName);
AddReferencedAssembly(GetManagedReference("System.Windows.Forms"));
AddReferencedAssembly(GetManagedReference("System.Drawing"));
AddReferencedAssembly(GetManagedReference("System"));
string rcwAssem = GetComReference((ITypeLib)typeLib);
if (rcwAssem != null) {
AddReferencedAssembly(rcwAssem);
rcw = GetCopiedAssembly(rcwAssem, false, false);
AddDependentAssemblies(rcw, rcwAssem);
}
else {
TypeLibConverter tlbConverter = new TypeLibConverter();
// Try to locate the primary interop assembly first.
//
rcw = GetPrimaryInteropAssembly((ITypeLib)typeLib, tlbConverter);
if (rcw != null) {
rcwAssem = GetLocalPath(rcw.EscapedCodeBase);
AddDependentAssemblies(rcw, rcwAssem);
}
else {
AssemblyBuilder asmBldr = tlbConverter.ConvertTypeLibToAssembly((ITypeLib)typeLib,
rcwName,
(TypeLibImporterFlags)0,
new ImporterCallback(this),
options.publicKey,
options.keyPair,
null,
null);
if (rcwAssem == null) {
// Save the assembly to the disk only if we did not find it already on the reference list.
//
rcwAssem = SaveAssemblyBuilder((ITypeLib)typeLib, asmBldr, rcwName);
rcw = (Assembly)asmBldr;
}
}
}
Debug.Assert(rcw != null, "No assembly obtained from: " + rcwAssem);
// Create a list of the referenced assemblies and create the WFW Wrapper for the AxControl.
//
int i = 0;
string[] refAssems = new string[this.refAssems.Count];
foreach(string assem in this.refAssems) {
string name = assem;
name = name.Replace("%20", " ");
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Adding " + name + " to the wrapper reference list...");
refAssems[i++] = name;
}
if (axctlType == null) {
string file = GetFileOfTypeLib((ITypeLib)typeLib);
DateTime tlbTimeStamp = (file == null) ? DateTime.Now : File.GetLastWriteTime(file);
// Hook up the type resolution events for the appdomain so we can delay load
// any assemblies/types users gave us in the /i option.
//
ResolveEventHandler assemblyResolveEventHandler = new ResolveEventHandler(OnAssemblyResolve);
AppDomain.CurrentDomain.AssemblyResolve += assemblyResolveEventHandler;
AppDomain.CurrentDomain.TypeResolve += new ResolveEventHandler(OnTypeResolve);
try {
if (options.genSources)
AxWrapperGen.GeneratedSources = new ArrayList();
if (options.outputName == null)
options.outputName = "Ax" + tlbName + ".dll";
axctlType = AxWrapperGen.GenerateWrappers(this, clsid, rcw, refAssems, tlbTimeStamp, out axWFW);
if (options.genSources)
generatedSources = AxWrapperGen.GeneratedSources;
}
finally {
AppDomain.CurrentDomain.AssemblyResolve -= assemblyResolveEventHandler;
AppDomain.CurrentDomain.TypeResolve -= new ResolveEventHandler(OnTypeResolve);
}
if (axctlType == null) {
string errMsg = SR.GetString(SR.AXNoActiveXControls, ((typeLibName != null) ? typeLibName : tlbName));
if (options.msBuildErrors) {
errMsg = "AxImp: error aximp000: " + errMsg;
}
throw new Exception(errMsg);
}
}
if (axctlType != null) {
// Add the WFW assembly to the references list.
//
Debug.Assert(axWFW != null && axWFW.Length > 0, "Invalid output assembly name");
AddReferencedAssembly(axWFW);
AddTypeLibAttr((ITypeLib)typeLib);
AddGeneratedAssembly(axWFW);
}
}
return axctlType;
}
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Reliability", "CA2001:AvoidCallingProblematicMethods")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2102:CatchNonClsCompliantExceptionsInGeneralHandlers")]
internal Assembly GetPrimaryInteropAssembly(ITypeLib typeLib, TypeLibConverter tlbConverter) {
Assembly pia = FindRCW(typeLib);
if (pia != null)
return pia;
IntPtr typeLibAttr = NativeMethods.InvalidIntPtr;
typeLib.GetLibAttr(out typeLibAttr);
if (typeLibAttr != NativeMethods.InvalidIntPtr) {
// Marshal the returned int as a TLibAttr structure
//
#pragma warning disable 618
TYPELIBATTR tlbAttr = (TYPELIBATTR) Marshal.PtrToStructure(typeLibAttr, typeof(TYPELIBATTR));
#pragma warning restore 618
string asmName = null;
string asmCodeBase = null;
try {
tlbConverter.GetPrimaryInteropAssembly(tlbAttr.guid, tlbAttr.wMajorVerNum, tlbAttr.wMinorVerNum, tlbAttr.lcid,
out asmName, out asmCodeBase);
if (asmName != null && asmCodeBase == null) {
// We found the PIA in the GAC... we need a codebase for this
// so we can pass this to the compiler.
//
try {
pia = Assembly.Load(asmName);
asmCodeBase = GetLocalPath(pia.EscapedCodeBase);
}
catch (Exception e) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Could load assembly from GAC " + asmName + " Exception " + e.Message);
}
}
else if (asmCodeBase != null) {
asmCodeBase = GetLocalPath(asmCodeBase);
pia = Assembly.LoadFrom(asmCodeBase);
}
if (pia != null) {
AddRCW(typeLib, pia);
AddReferencedAssembly(asmCodeBase);
}
}
finally {
typeLib.ReleaseTLibAttr(typeLibAttr);
}
}
return pia;
}
private Assembly OnAssemblyResolve(object sender, ResolveEventArgs e) {
string assemblyName = e.Name;
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "In OnAssemblyResolve: " + assemblyName);
// Look for the assembly in the RCW cache.
//
if (rcwCache != null) {
foreach (Assembly a in rcwCache.Values) {
if (a.FullName == assemblyName) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "\t Found " + a.GetName().Name);
return a;
}
}
}
Assembly assembly = null;
if (copiedAssems == null) {
copiedAssems = new Hashtable();
}
else {
assembly = (Assembly)copiedAssems[assemblyName];
if (assembly != null) {
return assembly;
}
}
// Now, look for it among the copied assemblies.
//
if (refAssems == null || refAssems.Count == 0)
return null;
foreach (string assemName in refAssems) {
Assembly assem = GetCopiedAssembly(assemName, false, false);
if (assem == null)
continue;
string s = assem.FullName;
if (s == assemblyName) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "\t Found " + s);
return assem;
}
}
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "\t Did not find " + assemblyName);
return null;
}
///
/// resolves types coming from the referenced assemblies.
///
private Assembly OnTypeResolve(object sender, ResolveEventArgs e) {
try {
string typeName = e.Name;
if (refAssems == null || refAssems.Count == 0)
return null;
foreach (string assemName in refAssems) {
Assembly assem = GetCopiedAssembly(assemName, false, false);
if (assem == null)
continue;
if (assem.GetType(typeName, false) != null) {
return assem;
}
}
}
catch { }
return null;
}
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2102:CatchNonClsCompliantExceptionsInGeneralHandlers")]
private string SaveAssemblyBuilder(ITypeLib typeLib, AssemblyBuilder asmBldr, string rcwName) {
string assembly = null;
FileInfo rcwFile = new FileInfo(rcwName);
string fullPath = rcwFile.FullName;
string assemName = rcwFile.Name;
// Check to see if the assembly is already in the referenced set of assemblies.
// If so, just use the referenced assembly instead of creating a new one on disk.
//
// Otherwise, create our assembly by saving to disk.
//
if (rcwFile.Exists) {
if (options.overwriteRCW) {
if (typeLibName != null && String.Equals(typeLibName, rcwFile.FullName,StringComparison.OrdinalIgnoreCase)){
throw new Exception(SR.GetString(SR.AXCannotOverwriteFile, rcwFile.FullName));
}
if (((int)rcwFile.Attributes & (int)FileAttributes.ReadOnly) == (int)FileAttributes.ReadOnly) {
throw new Exception(SR.GetString(SR.AXReadOnlyFile, rcwFile.FullName));
}
try {
rcwFile.Delete();
asmBldr.Save(assemName);
}
catch(Exception e) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "Exception deleting file " + rcwFile.FullName + " Exception: " + e.ToString());
throw new Exception(SR.GetString(SR.AXCannotOverwriteFile, rcwFile.FullName));
}
}
}
else {
asmBldr.Save(assemName);
}
assembly = rcwFile.FullName;
// Add the generated assembly to our list.
//
AddReferencedAssembly(assembly);
AddTypeLibAttr(typeLib);
AddGeneratedAssembly(assembly);
return assembly;
}
private class ImporterCallback : ITypeLibImporterNotifySink {
AxImporter importer;
Options options;
public ImporterCallback(AxImporter importer) {
this.importer = importer;
this.options = importer.options;
}
void ITypeLibImporterNotifySink.ReportEvent(ImporterEventKind EventKind, int EventCode, String EventMsg) {
}
Assembly ITypeLibImporterNotifySink.ResolveRef(Object typeLib) {
try {
string assem = importer.GetComReference((ITypeLib)typeLib);
if (assem != null) {
importer.AddReferencedAssembly(assem);
}
Assembly a = importer.FindRCW((ITypeLib)typeLib);
if (a != null) {
return a;
}
// Generate the RCW for the typelib. We have to go through the motions of this anyway,
// because there is no easy way to find the dependent references for this typelib.
//
try {
string tlbName = Marshal.GetTypeLibName((ITypeLib)typeLib);
string rcwName = Path.Combine(options.outputDirectory, tlbName + ".dll");
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "\tConverting recursive TypeLib Name: " + tlbName + " in " + rcwName);
if (importer.GetReferencedAssembly(rcwName) != null) {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "\t\tFound RCW in referenced assembly list at " + rcwName);
return importer.GetCopiedAssembly(rcwName, false, false);
}
// Create the TypeLibConverter.
TypeLibConverter tlbConv = new TypeLibConverter();
// Try to locate the primary interop assembly first.
//
a = importer.GetPrimaryInteropAssembly((ITypeLib)typeLib, tlbConv);
if (a != null) {
return a;
}
else {
// Convert the typelib.
AssemblyBuilder asmBldr = tlbConv.ConvertTypeLibToAssembly(typeLib,
rcwName,
(TypeLibImporterFlags)0,
new ImporterCallback(importer),
options.publicKey,
options.keyPair,
null,
null);
if (assem == null) {
// Save the assembly to the disk only if we did not find it already on the reference list.
//
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "\t\tGenerated RCW at " + rcwName);
string rcwAssem = importer.SaveAssemblyBuilder((ITypeLib)typeLib, asmBldr, rcwName);
importer.AddRCW((ITypeLib)typeLib, asmBldr);
return asmBldr;
}
else {
Debug.WriteLineIf(AxWrapperGen.AxWrapper.Enabled, "\t\tFound COM Reference at " + assem);
return importer.GetCopiedAssembly(assem, false, false);
}
}
}
catch {
return null;
}
}
finally {
Marshal.ReleaseComObject(typeLib);
}
}
}
///
///
/// Various options to be set before calling AxImporter to generate wrappers
/// for an ActiveX control.
///
///
public sealed class Options {
/// The path-included filename of type library containing the definition of the ActiveX control.
///
///
/// The Reference Resolver service will try to look through the references it can obtain,
/// for a reference that matches the given criterion. For now, the only kind of references
/// it can look for are COM (RCW) references and ActiveX wrapper references.
///
public interface IReferenceResolver {
///
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