public object GetValue()
{
object obj = null;
switch ((VarEnum)vt)
{
case VarEnum.VT_I1:
obj = cVal;
break;
case VarEnum.VT_UI1:
obj = bVal;
break;
case VarEnum.VT_I2:
obj = iVal;
break;
case VarEnum.VT_UI2:
obj = uiVal;
break;
case VarEnum.VT_ERROR:
case VarEnum.VT_INT:
case VarEnum.VT_I4:
obj = lVal;
break;
case VarEnum.VT_UINT:
case VarEnum.VT_UI4:
obj = ulVal;
break;
case VarEnum.VT_I8:
obj = llVal;
break;
case VarEnum.VT_UI8:
obj = ullVal;
break;
case VarEnum.VT_R4:
obj = fltVal;
break;
case VarEnum.VT_R8:
obj = dblVal;
break;
case VarEnum.VT_BOOL:
obj = !(boolVal == 0);
break;
case VarEnum.VT_BSTR:
if (bstrVal != IntPtr.Zero)
{
obj = Marshal.PtrToStringBSTR(bstrVal);
}
else
{
obj = null;
}
break;
case VarEnum.VT_CY:
obj = Decimal.FromOACurrency(llVal);
break;
case VarEnum.VT_DATE:
obj = DateTime.FromOADate(dblVal);
break;
case VarEnum.VT_DECIMAL:
obj = new Decimal((int)decVal.Lo64, (int)(decVal.Lo64 >> 32), decVal.Hi32, decVal.sign != 0, decVal.scale);
break;
case VarEnum.VT_RECORD:
throw new NotImplementedException("VT_RECORD not implemented");
#if FEATURE_COMINTEROP
case VarEnum.VT_UNKNOWN:
case VarEnum.VT_DISPATCH:
if (pdispVal != IntPtr.Zero)
{
obj = Marshal.GetObjectForIUnknown(pdispVal);
}
break;
#endif
default:
if (((VarEnum)vt & VarEnum.VT_BYREF) == VarEnum.VT_BYREF &&
pdispVal != IntPtr.Zero)
{
obj = GetValueAt(vt & ~(short)VarEnum.VT_BYREF, pdispVal);
}
else if (((VarEnum)vt & VarEnum.VT_ARRAY) != 0)
{
obj = SafeArrayToArrayInternal(pdispVal, vt & ~(short)VarEnum.VT_ARRAY);
}
break;
}
return(obj);
}
public static object GetValueAt(int vt, IntPtr addr)
{
object obj = null;
switch ((VarEnum)vt)
{
case VarEnum.VT_I1:
obj = (sbyte)Marshal.ReadByte(addr);
break;
case VarEnum.VT_UI1:
obj = Marshal.ReadByte(addr);
break;
case VarEnum.VT_I2:
obj = Marshal.ReadInt16(addr);
break;
case VarEnum.VT_UI2:
obj = (ushort)Marshal.ReadInt16(addr);
break;
case VarEnum.VT_ERROR:
case VarEnum.VT_INT:
case VarEnum.VT_I4:
obj = Marshal.ReadInt32(addr);
break;
case VarEnum.VT_UINT:
case VarEnum.VT_UI4:
obj = (uint)Marshal.ReadInt32(addr);
break;
case VarEnum.VT_I8:
obj = Marshal.ReadInt64(addr);
break;
case VarEnum.VT_UI8:
obj = (ulong)Marshal.ReadInt64(addr);
break;
case VarEnum.VT_R4:
obj = Marshal.PtrToStructure(addr, typeof(float));
break;
case VarEnum.VT_R8:
obj = Marshal.PtrToStructure(addr, typeof(double));
break;
case VarEnum.VT_BOOL:
obj = !(Marshal.ReadInt16(addr) == 0);
break;
case VarEnum.VT_BSTR:
{
IntPtr ptr = Marshal.ReadIntPtr(addr);
if (ptr != IntPtr.Zero)
{
obj = Marshal.PtrToStringBSTR(ptr);
}
else
{
obj = null;
}
break;
}
case VarEnum.VT_CY:
obj = Decimal.FromOACurrency(Marshal.ReadInt64(addr));
break;
case VarEnum.VT_DATE:
obj = DateTime.FromOADate((double)Marshal.PtrToStructure(addr, typeof(double)));
break;
case VarEnum.VT_DECIMAL:
{
DECIMAL *dec = (DECIMAL *)addr;
obj = new Decimal((int)dec->Lo64, (int)(dec->Lo64 >> 32), dec->Hi32, dec->sign != 0, dec->scale);
break;
}
case VarEnum.VT_RECORD:
throw new NotImplementedException("VT_RECORD not implemented");
// GetObjectForIUnknown is excluded from Marshal using FULL_AOT_RUNTIME
#if !DISABLE_COM
case VarEnum.VT_UNKNOWN:
case VarEnum.VT_DISPATCH:
{
IntPtr ifaceaddr = Marshal.ReadIntPtr(addr);
if (ifaceaddr != IntPtr.Zero)
{
obj = Marshal.GetObjectForIUnknown(ifaceaddr);
}
break;
}
#endif
case VarEnum.VT_VARIANT:
{
Variant v = *((Variant *)addr);
obj = v.GetValue();
break;
}
default:
if (((VarEnum)vt & VarEnum.VT_ARRAY) != 0)
{
obj = SafeArrayToArrayInternal(*((IntPtr *)addr), vt & ~(short)VarEnum.VT_ARRAY);
}
break;
}
return(obj);
}
