/// <include file='doc\COM2TypeInfoProcessor.uex' path='docs/doc[@for="Com2TypeInfoProcessor.GetNameDispId"]/*' />
/// <devdoc>
/// Retrieve the dispid of the property that we are to use as the name
/// member. In this case, the grid will put parens around the name.
/// </devdoc>
public static int GetNameDispId(UnsafeNativeMethods.IDispatch obj)
{
int dispid = NativeMethods.DISPID_UNKNOWN;
string[] names = null;
ComNativeDescriptor cnd = ComNativeDescriptor.Instance;
bool succeeded = false;
// first try to find one with a valid value
cnd.GetPropertyValue(obj, "__id", ref succeeded);
if (succeeded)
{
names = new string[] { "__id" };
}
else
{
cnd.GetPropertyValue(obj, NativeMethods.ActiveX.DISPID_Name, ref succeeded);
if (succeeded)
{
dispid = NativeMethods.ActiveX.DISPID_Name;
}
else
{
cnd.GetPropertyValue(obj, "Name", ref succeeded);
if (succeeded)
{
names = new string[] { "Name" };
}
}
}
// now get the dispid of the one that worked...
if (names != null)
{
int[] pDispid = new int[] { NativeMethods.DISPID_UNKNOWN };
Guid g = Guid.Empty;
int hr = obj.GetIDsOfNames(ref g, names, 1, SafeNativeMethods.GetThreadLCID(), pDispid);
if (NativeMethods.Succeeded(hr))
{
dispid = pDispid[0];
}
}
return(dispid);
}
public unsafe static DispatchID GetNameDispId(IDispatch obj)
{
DispatchID dispid = DispatchID.UNKNOWN;
string[] names = null;
ComNativeDescriptor cnd = ComNativeDescriptor.Instance;
bool succeeded = false;
// first try to find one with a valid value
cnd.GetPropertyValue(obj, "__id", ref succeeded);
if (succeeded)
{
names = new string[] { "__id" };
}
else
{
cnd.GetPropertyValue(obj, DispatchID.Name, ref succeeded);
if (succeeded)
{
dispid = DispatchID.Name;
}
else
{
cnd.GetPropertyValue(obj, "Name", ref succeeded);
if (succeeded)
{
names = new string[] { "Name" };
}
}
}
// now get the dispid of the one that worked...
if (names is not null)
{
DispatchID pDispid = DispatchID.UNKNOWN;
Guid g = Guid.Empty;
HRESULT hr = obj.GetIDsOfNames(&g, names, 1, Kernel32.GetThreadLocale(), &pDispid);
if (hr.Succeeded())
{
dispid = pDispid;
}
}
return(dispid);
}
public static int GetNameDispId(UnsafeNativeMethods.IDispatch obj)
{
int num = -1;
string[] rgszNames = null;
ComNativeDescriptor instance = ComNativeDescriptor.Instance;
bool succeeded = false;
instance.GetPropertyValue(obj, "__id", ref succeeded);
if (succeeded)
{
rgszNames = new string[] { "__id" };
}
else
{
instance.GetPropertyValue(obj, -800, ref succeeded);
if (succeeded)
{
num = -800;
}
else
{
instance.GetPropertyValue(obj, "Name", ref succeeded);
if (succeeded)
{
rgszNames = new string[] { "Name" };
}
}
}
if (rgszNames != null)
{
int[] rgDispId = new int[] { -1 };
Guid empty = Guid.Empty;
if (System.Windows.Forms.NativeMethods.Succeeded(obj.GetIDsOfNames(ref empty, rgszNames, 1, SafeNativeMethods.GetThreadLCID(), rgDispId)))
{
num = rgDispId[0];
}
}
return(num);
}
private static PropertyDescriptor[] InternalGetProperties(object obj, UnsafeNativeMethods.ITypeInfo typeInfo, int dispidToGet, ref int defaultIndex)
{
if (typeInfo == null)
{
return(null);
}
Hashtable propInfoList = new Hashtable();
int nameDispId = GetNameDispId((UnsafeNativeMethods.IDispatch)obj);
bool addAboutBox = false;
StructCache structCache = new StructCache();
try
{
ProcessFunctions(typeInfo, propInfoList, dispidToGet, nameDispId, ref addAboutBox, structCache);
}
catch (ExternalException)
{
}
try
{
ProcessVariables(typeInfo, propInfoList, dispidToGet, nameDispId, structCache);
}
catch (ExternalException)
{
}
typeInfo = null;
int count = propInfoList.Count;
if (addAboutBox)
{
count++;
}
PropertyDescriptor[] descriptorArray = new PropertyDescriptor[count];
int hr = 0;
object[] retval = new object[1];
ComNativeDescriptor instance = ComNativeDescriptor.Instance;
foreach (PropInfo info in propInfoList.Values)
{
if (!info.NonBrowsable)
{
try
{
hr = instance.GetPropertyValue(obj, info.DispId, retval);
}
catch (ExternalException exception)
{
hr = exception.ErrorCode;
}
if (!System.Windows.Forms.NativeMethods.Succeeded(hr))
{
info.Attributes.Add(new BrowsableAttribute(false));
info.NonBrowsable = true;
}
}
else
{
hr = 0;
}
Attribute[] array = new Attribute[info.Attributes.Count];
info.Attributes.CopyTo(array, 0);
descriptorArray[info.Index] = new Com2PropertyDescriptor(info.DispId, info.Name, array, info.ReadOnly != 2, info.ValueType, info.TypeData, !System.Windows.Forms.NativeMethods.Succeeded(hr));
if (info.IsDefault)
{
int index = info.Index;
}
}
if (addAboutBox)
{
descriptorArray[descriptorArray.Length - 1] = new Com2AboutBoxPropertyDescriptor();
}
return(descriptorArray);
}
