/// <summary>
/// Parse PropertyValue_r structure.
/// </summary>
/// <param name="ptr">A pointer points to memory allocated.</param>
/// <returns>Instance of PropertyValue_r structure.</returns>
public static PropertyValue_r ParsePropertyValue_r(IntPtr ptr)
{
PropertyValue_r protertyValue = new PropertyValue_r();
int offset = 0;
protertyValue.PropTag = (uint)Marshal.ReadInt32(ptr, offset);
offset += 4;
protertyValue.Reserved = (uint)Marshal.ReadInt32(ptr, offset);
offset += 4;
protertyValue.Value = ParsePROP_VAL_UNION(new IntPtr(ptr.ToInt32() + offset), (PropertyType)(protertyValue.PropTag & 0x0000FFFF));
return(protertyValue);
}
/// <summary>
/// Parse PropertyValue_r structure.
/// </summary>
/// <param name="ptr">A pointer points to the allocated memory.</param>
/// <returns>Instance of PropertyValue_r structure.</returns>
public static PropertyValue_r ParsePropertyValue_r(IntPtr ptr)
{
PropertyValue_r protertyValue = new PropertyValue_r();
int offset = 0;
protertyValue.PropTag = (uint)Marshal.ReadInt32(ptr, offset);
offset += sizeof(uint);
protertyValue.Reserved = (uint)Marshal.ReadInt32(ptr, offset);
offset += sizeof(uint);
IntPtr newPtr = new IntPtr(ptr.ToInt32() + offset);
protertyValue.Value = ParsePROP_VAL_UNION(newPtr, (PropertyTypeValue)(protertyValue.PropTag & 0x0000FFFF));
return protertyValue;
}
/// <summary>
/// Allocate memory for the specific property values.
/// </summary>
/// <param name="propertyValue">PropertyValue_r instance.</param>
/// <returns>A pointer points to memory allocated.</returns>
public static IntPtr AllocPropertyValue_r(PropertyValue_r propertyValue)
{
IntPtr ptr = Marshal.AllocHGlobal(16);
int offset = 0;
Marshal.WriteInt32(ptr, (int)propertyValue.PropTag);
offset += sizeof(uint);
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Reserved);
offset += sizeof(uint);
PropertyType proptype = (PropertyType)(0x0000FFFF & propertyValue.PropTag);
switch (proptype)
{
case PropertyType.PtypInteger16:
{
Marshal.WriteInt16(ptr, offset, propertyValue.Value.I);
break;
}
case PropertyType.PtypInteger32:
{
Marshal.WriteInt32(ptr, offset, propertyValue.Value.L);
break;
}
case PropertyType.PtypBoolean:
{
Marshal.WriteInt16(ptr, offset, (short)propertyValue.Value.B);
break;
}
case PropertyType.PtypString8:
{
IntPtr strA = Marshal.StringToHGlobalAnsi(propertyValue.Value.LpszA);
Marshal.WriteInt32(ptr, offset, strA.ToInt32());
break;
}
case PropertyType.PtypBinary:
{
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.Bin.Cb);
offset += sizeof(uint);
IntPtr lpb = Marshal.AllocHGlobal((int)propertyValue.Value.Bin.Cb);
for (int i = 0; i < propertyValue.Value.Bin.Cb; i++)
{
Marshal.WriteByte(lpb, i, propertyValue.Value.Bin.Lpb[i]);
}
Marshal.WriteInt32(ptr, offset, lpb.ToInt32());
break;
}
case PropertyType.PtypString:
{
IntPtr strW = Marshal.StringToHGlobalAnsi(propertyValue.Value.LpszW);
Marshal.WriteInt32(ptr, offset, strW.ToInt32());
break;
}
case PropertyType.PtypGuid:
{
IntPtr guid = Marshal.AllocHGlobal(16);
for (int i = 0; i < 16; i++)
{
Marshal.WriteByte(guid, i, propertyValue.Value.Guid[0].Ab[i]);
}
Marshal.WriteInt32(ptr, offset, guid.ToInt32());
break;
}
case PropertyType.PtypTime:
{
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.FileTime.LowDateTime);
offset += sizeof(uint);
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.FileTime.HighDateTime);
break;
}
case PropertyType.PtypErrorCode:
{
Marshal.WriteInt32(ptr, offset, propertyValue.Value.ErrorCode);
break;
}
case PropertyType.PtypMultipleInteger16:
{
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.MVi.Values);
offset += sizeof(uint);
IntPtr lpi = Marshal.AllocHGlobal((int)(propertyValue.Value.MVi.Values * sizeof(short)));
for (int i = 0; i < propertyValue.Value.MVi.Values; i++)
{
Marshal.WriteInt16(lpi, i * sizeof(short), propertyValue.Value.MVi.Lpi[i]);
}
Marshal.WriteInt32(ptr, offset, lpi.ToInt32());
break;
}
case PropertyType.PtypMultipleInteger32:
{
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.MVl.Values);
offset += sizeof(uint);
IntPtr lpl = Marshal.AllocHGlobal((int)(propertyValue.Value.MVl.Values * sizeof(int)));
for (int i = 0; i < propertyValue.Value.MVl.Values; i++)
{
Marshal.WriteInt32(lpl, i * sizeof(int), propertyValue.Value.MVl.Lpl[i]);
}
Marshal.WriteInt32(ptr, offset, lpl.ToInt32());
break;
}
case PropertyType.PtypMultipleString8:
{
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.MVszA.Values);
offset += sizeof(uint);
IntPtr lppszA = Marshal.AllocHGlobal((int)(propertyValue.Value.MVszA.Values * 4));
for (int i = 0; i < propertyValue.Value.MVszA.Values; i++)
{
Marshal.WriteInt32(lppszA, 4 * i, Marshal.StringToHGlobalAnsi(propertyValue.Value.MVszA.LppszA[i]).ToInt32());
}
Marshal.WriteInt32(ptr, offset, lppszA.ToInt32());
break;
}
case PropertyType.PtypMultipleBinary:
{
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.MVbin.Values);
offset += sizeof(uint);
IntPtr mvbin = Marshal.AllocHGlobal((int)(propertyValue.Value.MVbin.Values * 8));
for (int i = 0; i < propertyValue.Value.MVbin.Values; i++)
{
Marshal.WriteInt32(mvbin, (int)propertyValue.Value.MVbin.Lpbin[0].Cb);
IntPtr lpb = Marshal.AllocHGlobal((int)propertyValue.Value.MVbin.Lpbin[0].Cb);
for (int j = 0; j < propertyValue.Value.MVbin.Lpbin[0].Cb; j++)
{
Marshal.WriteByte(lpb, j, propertyValue.Value.MVbin.Lpbin[0].Lpb[j]);
}
Marshal.WriteInt32(mvbin, sizeof(uint), lpb.ToInt32());
mvbin = new IntPtr(mvbin.ToInt32() + 8);
}
Marshal.WriteInt32(ptr, offset, mvbin.ToInt32());
break;
}
case PropertyType.PtypMultipleString:
{
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.MVszW.Values);
offset += sizeof(uint);
IntPtr lppszW = Marshal.AllocHGlobal((int)(propertyValue.Value.MVszW.Values * 4));
for (int i = 0; i < propertyValue.Value.MVszW.Values; i++)
{
Marshal.WriteInt32(lppszW, 4 * i, Marshal.StringToHGlobalUni(propertyValue.Value.MVszW.LppszW[i]).ToInt32());
}
Marshal.WriteInt32(ptr, offset, lppszW.ToInt32());
break;
}
case PropertyType.PtypMultipleGuid:
{
Marshal.WriteInt32(ptr, offset, (int)propertyValue.Value.MVguid.Values);
offset += sizeof(uint);
IntPtr lpguid = Marshal.AllocHGlobal((int)(propertyValue.Value.MVguid.Values * 4));
for (int i = 0; i < propertyValue.Value.MVguid.Values; i++)
{
IntPtr guid = Marshal.AllocHGlobal(16);
for (int j = 0; j < 16; j++)
{
Marshal.WriteByte(guid, j, propertyValue.Value.MVguid.Guid[i].Ab[j]);
}
Marshal.WriteInt32(lpguid, 4 * i, guid.ToInt32());
}
Marshal.WriteInt32(ptr, offset, lpguid.ToInt32());
break;
}
case PropertyType.PtypNull:
case PropertyType.PtypEmbeddedTable:
{
Marshal.WriteInt32(ptr, offset, propertyValue.Value.Reserved);
break;
}
}
return(ptr);
}
