public static int SetContextAttributes(SSPIInterface SecModule, SafeDeleteContext securityContext, ContextAttribute contextAttribute, object value) {
GlobalLog.Enter("SetContextAttributes", contextAttribute.ToString());
byte[] nativeBuffer;
switch (contextAttribute) {
case ContextAttribute.UiInfo:
Debug.Assert(value is IntPtr, "Type Mismatch");
IntPtr hwnd = (IntPtr)value; // A window handle
nativeBuffer = new byte[IntPtr.Size];
if (IntPtr.Size == 4) // 32bit
{
int ptr = hwnd.ToInt32();
nativeBuffer[0] = (byte)(ptr);
nativeBuffer[1] = (byte)(ptr >> 8);
nativeBuffer[2] = (byte)(ptr >> 16);
nativeBuffer[3] = (byte)(ptr >> 24);
}
else // 64bit
{
long ptr = hwnd.ToInt64();
nativeBuffer[0] = (byte)(ptr);
nativeBuffer[1] = (byte)(ptr >> 8);
nativeBuffer[2] = (byte)(ptr >> 16);
nativeBuffer[3] = (byte)(ptr >> 24);
nativeBuffer[4] = (byte)(ptr >> 32);
nativeBuffer[5] = (byte)(ptr >> 40);
nativeBuffer[6] = (byte)(ptr >> 48);
nativeBuffer[7] = (byte)(ptr >> 56);
}
break;
default:
throw new ArgumentException(SR.GetString(SR.net_invalid_enum, "ContextAttribute"), "contextAttribute");
}
return SecModule.SetContextAttributes(securityContext, contextAttribute, nativeBuffer);
}