internal object Invoke(object obj, System.Reflection.BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture, bool skipVisibilityChecks)
{
int length = this.Signature.Arguments.Length;
int num2 = (parameters != null) ? parameters.Length : 0;
if ((this.m_invocationFlags & 1) == 0)
{
this.m_invocationFlags = this.GetOneTimeFlags();
}
if ((this.m_invocationFlags & 2) != 0)
{
this.ThrowNoInvokeException();
}
this.CheckConsistency(obj);
if (length != num2)
{
throw new TargetParameterCountException(Environment.GetResourceString("Arg_ParmCnt"));
}
if (num2 > 0xffff)
{
throw new TargetParameterCountException(Environment.GetResourceString("NotSupported_TooManyArgs"));
}
if (!skipVisibilityChecks && ((this.m_invocationFlags & 0x24) != 0))
{
if ((this.m_invocationFlags & 0x20) != 0)
{
CodeAccessPermission.DemandInternal(PermissionType.ReflectionMemberAccess);
}
if ((this.m_invocationFlags & 4) != 0)
{
MethodBase.PerformSecurityCheck(obj, this.m_handle, this.m_declaringType.TypeHandle.Value, this.m_invocationFlags);
}
}
RuntimeTypeHandle emptyHandle = RuntimeTypeHandle.EmptyHandle;
if (!this.m_reflectedTypeCache.IsGlobal)
{
emptyHandle = this.m_declaringType.TypeHandle;
}
if (num2 == 0)
{
return(this.m_handle.InvokeMethodFast(obj, null, this.Signature, this.m_methodAttributes, emptyHandle));
}
object[] arguments = base.CheckArguments(parameters, binder, invokeAttr, culture, this.Signature);
object obj2 = this.m_handle.InvokeMethodFast(obj, arguments, this.Signature, this.m_methodAttributes, emptyHandle);
for (int i = 0; i < num2; i++)
{
parameters[i] = arguments[i];
}
return(obj2);
}
public override object Invoke(System.Reflection.BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
{
RuntimeTypeHandle typeHandle = this.m_declaringType.TypeHandle;
if (this.m_invocationFlags == 0)
{
this.m_invocationFlags = this.GetOneTimeFlags();
}
if ((this.m_invocationFlags & 0x10a) != 0)
{
this.ThrowNoInvokeException();
}
if ((this.m_invocationFlags & 0xa4) != 0)
{
if ((this.m_invocationFlags & 0x20) != 0)
{
CodeAccessPermission.DemandInternal(PermissionType.ReflectionMemberAccess);
}
if ((this.m_invocationFlags & 4) != 0)
{
MethodBase.PerformSecurityCheck(null, this.m_handle, this.m_declaringType.TypeHandle.Value, this.m_invocationFlags & 0x10000000);
}
if ((this.m_invocationFlags & 0x80) != 0)
{
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Demand();
}
}
int length = this.Signature.Arguments.Length;
int num2 = (parameters != null) ? parameters.Length : 0;
if (length != num2)
{
throw new TargetParameterCountException(Environment.GetResourceString("Arg_ParmCnt"));
}
RuntimeHelpers.RunClassConstructor(typeHandle);
if (num2 <= 0)
{
return(this.m_handle.InvokeConstructor(null, (SignatureStruct)this.Signature, typeHandle));
}
object[] args = base.CheckArguments(parameters, binder, invokeAttr, culture, this.Signature);
object obj2 = this.m_handle.InvokeConstructor(args, (SignatureStruct)this.Signature, typeHandle);
for (int i = 0; i < num2; i++)
{
parameters[i] = args[i];
}
return(obj2);
}
public override object Invoke(object obj, System.Reflection.BindingFlags invokeAttr, Binder binder, object[] parameters, CultureInfo culture)
{
if (this.m_invocationFlags == 0)
{
this.m_invocationFlags = this.GetOneTimeFlags();
}
if ((this.m_invocationFlags & 2) != 0)
{
this.ThrowNoInvokeException();
}
this.CheckConsistency(obj);
if (obj != null)
{
new SecurityPermission(SecurityPermissionFlag.SkipVerification).Demand();
}
if ((this.m_invocationFlags & 0x24) != 0)
{
if ((this.m_invocationFlags & 0x20) != 0)
{
CodeAccessPermission.DemandInternal(PermissionType.ReflectionMemberAccess);
}
if ((this.m_invocationFlags & 4) != 0)
{
MethodBase.PerformSecurityCheck(obj, this.m_handle, this.m_declaringType.TypeHandle.Value, this.m_invocationFlags);
}
}
int length = this.Signature.Arguments.Length;
int num2 = (parameters != null) ? parameters.Length : 0;
if (length != num2)
{
throw new TargetParameterCountException(Environment.GetResourceString("Arg_ParmCnt"));
}
if (num2 <= 0)
{
return(this.m_handle.InvokeMethodFast(obj, null, this.Signature, this.m_methodAttributes, (this.DeclaringType != null) ? this.DeclaringType.TypeHandle : RuntimeTypeHandle.EmptyHandle));
}
object[] arguments = base.CheckArguments(parameters, binder, invokeAttr, culture, this.Signature);
object obj2 = this.m_handle.InvokeMethodFast(obj, arguments, this.Signature, this.m_methodAttributes, (this.ReflectedType != null) ? this.ReflectedType.TypeHandle : RuntimeTypeHandle.EmptyHandle);
for (int i = 0; i < num2; i++)
{
parameters[i] = arguments[i];
}
return(obj2);
}