Code: Select all
PRINTER_NOTIFY_INFO info = (PRINTER_NOTIFY_INFO)Marshal.PtrToStructure(pNotifyInfo, typeof(PRINTER_NOTIFY_INFO));
int pData = (int)pNotifyInfo + Marshal.SizeOf(typeof(PRINTER_NOTIFY_INFO));
PRINTER_NOTIFY_INFO_DATA[] data = new PRINTER_NOTIFY_INFO_DATA[info.Count];
for (uint i = 0; i < info.Count; i++)
{
data[i] = (PRINTER_NOTIFY_INFO_DATA)Marshal.PtrToStructure((IntPtr)pData, typeof(PRINTER_NOTIFY_INFO_DATA));
pData += Marshal.SizeOf(typeof(PRINTER_NOTIFY_INFO_DATA));
}
Code: Select all
[StructLayout(LayoutKind.Sequential)]
public struct PRINTER_NOTIFY_INFO
{
public uint Version;
public uint Flags;
public uint Count;
}
[StructLayout(LayoutKind.Sequential)]
public struct PRINTER_NOTIFY_INFO_DATA_DATA
{
public uint cbBuf;
public IntPtr pBuf;
}
[StructLayout(LayoutKind.Explicit)]
public struct PRINTER_NOTIFY_INFO_DATA_UNION
{
[FieldOffset(0)]
private uint adwData0;
[FieldOffset(4)]
private uint adwData1;
[FieldOffset(0)]
public PRINTER_NOTIFY_INFO_DATA_DATA Data;
public uint[] adwData
{
get
{
return new uint[] { this.adwData0, this.adwData1 };
}
}
}
// Structure borrowed from http://lifeandtimesofadeveloper.blogspot.com/2007/10/unmanaged-structures-padding-and-c-part_18.html.
[StructLayout(LayoutKind.Sequential)]
public struct PRINTER_NOTIFY_INFO_DATA
{
public ushort Type;
public ushort Field;
public uint Reserved;
public uint Id;
public PRINTER_NOTIFY_INFO_DATA_UNION NotifyData;
}