public static void GetAllFuncCustData(int memberid, INVOKEKIND invokekind, ITypeInfo ti, ref List <string> lprops)
{
if (!(ti is ITypeInfo2 t2))
{
return;
}
var custdata = new CUSTDATA();
var ptr = Marshal.AllocHGlobal(Marshal.SizeOf(custdata));
try
{
t2.GetFuncIndexOfMemId(memberid, invokekind, out var index);
t2.GetAllFuncCustData(index, ptr);
try
{
custdata = Marshal.PtrToStructure <CUSTDATA>(ptr);
for (var x = 0; x < custdata.cCustData; x++)
{
var item = new CUSTDATAITEM(); // just to size it for next line
var itemPtr = custdata.prgCustData + (x * Marshal.SizeOf(item));
item = Marshal.PtrToStructure <CUSTDATAITEM>(itemPtr);
lprops.Add($"custom({item.guid}, {ITypeInfoXtra.QuoteString(item.varValue)})");
}
}
finally
{
NativeMethods.ClearCustData(ptr);
}
}
catch (COMException e)
{
const int TYPE_E_ELEMENTNOTFOUND = unchecked ((int)0x8002802B);
if (e.HResult != TYPE_E_ELEMENTNOTFOUND)
{
throw;
}
// not found; ignore
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
public static void GetCustData(ITypeInfo ti, ref List <string> lprops)
{
if (!(ti is ITypeInfo2 t2))
{
return;
}
var custdata = new CUSTDATA();
var ptr = Marshal.AllocHGlobal(Marshal.SizeOf(custdata));
t2.GetAllCustData(ptr);
custdata = Marshal.PtrToStructure <CUSTDATA>(ptr);
for (var x = 0; x < custdata.cCustData; x++)
{
var item = new CUSTDATAITEM(); // just to size it for next line
var itemPtr = custdata.prgCustData + (x * Marshal.SizeOf(item));
item = Marshal.PtrToStructure <CUSTDATAITEM>(itemPtr);
lprops.Add($"custom({item.guid}, {ITypeInfoXtra.QuoteString(item.varValue)})");
}
NativeMethods.ClearCustData(ptr);
Marshal.FreeHGlobal(ptr);
}