public ISQLiteChangeSet CombineWith(ISQLiteChangeSet changeSet)
{
ISQLiteChangeSet sQLiteMemoryChangeSets;
this.CheckDisposed();
SQLiteSessionHelpers.CheckRawData(this.rawData);
SQLiteMemoryChangeSet sQLiteMemoryChangeSets1 = changeSet as SQLiteMemoryChangeSet;
if (sQLiteMemoryChangeSets1 == null)
{
throw new ArgumentException("not a memory based change set", "changeSet");
}
SQLiteSessionHelpers.CheckRawData(sQLiteMemoryChangeSets1.rawData);
IntPtr zero = IntPtr.Zero;
IntPtr intPtr = IntPtr.Zero;
IntPtr zero1 = IntPtr.Zero;
try
{
int num = 0;
zero = SQLiteBytes.ToIntPtr(this.rawData, ref num);
int num1 = 0;
intPtr = SQLiteBytes.ToIntPtr(sQLiteMemoryChangeSets1.rawData, ref num1);
int num2 = 0;
SQLiteErrorCode sQLiteErrorCode = UnsafeNativeMethods.sqlite3changeset_concat(num, zero, num1, intPtr, ref num2, ref zero1);
if (sQLiteErrorCode != SQLiteErrorCode.Ok)
{
throw new SQLiteException(sQLiteErrorCode, "sqlite3changeset_concat");
}
byte[] numArray = SQLiteBytes.FromIntPtr(zero1, num2);
sQLiteMemoryChangeSets = new SQLiteMemoryChangeSet(numArray, base.GetHandle(), base.GetFlags());
}
finally
{
if (zero1 != IntPtr.Zero)
{
SQLiteMemory.Free(zero1);
zero1 = IntPtr.Zero;
}
if (intPtr != IntPtr.Zero)
{
SQLiteMemory.Free(intPtr);
intPtr = IntPtr.Zero;
}
if (zero != IntPtr.Zero)
{
SQLiteMemory.Free(zero);
zero = IntPtr.Zero;
}
}
return(sQLiteMemoryChangeSets);
}
public ISQLiteChangeSet Invert()
{
ISQLiteChangeSet sQLiteMemoryChangeSets;
this.CheckDisposed();
SQLiteSessionHelpers.CheckRawData(this.rawData);
IntPtr zero = IntPtr.Zero;
IntPtr intPtr = IntPtr.Zero;
try
{
int num = 0;
zero = SQLiteBytes.ToIntPtr(this.rawData, ref num);
int num1 = 0;
SQLiteErrorCode sQLiteErrorCode = UnsafeNativeMethods.sqlite3changeset_invert(num, zero, ref num1, ref intPtr);
if (sQLiteErrorCode != SQLiteErrorCode.Ok)
{
throw new SQLiteException(sQLiteErrorCode, "sqlite3changeset_invert");
}
byte[] numArray = SQLiteBytes.FromIntPtr(intPtr, num1);
sQLiteMemoryChangeSets = new SQLiteMemoryChangeSet(numArray, base.GetHandle(), base.GetFlags());
}
finally
{
if (intPtr != IntPtr.Zero)
{
SQLiteMemory.Free(intPtr);
intPtr = IntPtr.Zero;
}
if (zero != IntPtr.Zero)
{
SQLiteMemory.Free(zero);
zero = IntPtr.Zero;
}
}
return(sQLiteMemoryChangeSets);
}