This instance method copies data from the current OracleClob instance to the provided OracleClob object with the specified source offset, destination offset, and character amounts.

Declaration

// C#
public Int64 CopyTo(Int64 src_offset,OracleClob obj,Int64 dst_offset,
    Int64 amount);

Parameters

• src_offset

  The offset (in characters) in the current instance, from which the data is read.

• obj

  The OracleClob object to which the data is copied.

• dst_offset

  The offset (in characters) at which the OracleClob object is copied.

• amount

  The amount of data to be copied.

Return Value

The return value is the amount copied.

Exceptions

ObjectDisposedException - The object is already disposed.

InvalidOperationException - The parameter has a different connection than the object, OracleConnection is not opened, or OracleConnection has been reopened.

ArgumentOutOfRangeException - The src_offset, the dst_offset, or the amount parameter is less than 0.

Remarks

If the dst_offset is beyond the end of the OracleClob data, spaces are written into the OracleClob until the dst_offset is met.

The offsets are 0-based. No character conversion is performed by this operation.

The provided object and the current instance must be using the same connection, that is, the same OracleConnection object.

Example

// C#
 
using System;
using Oracle.DataAccess.Client;
using Oracle.DataAccess.Types;
 
class CopyToSample
{
  static void Main()
  {
    string constr = "User Id=scott;Password=tiger;Data Source=oracle";
    OracleConnection con = new OracleConnection(constr);
    con.Open();
    
    OracleClob clob1 = new OracleClob(con);
    OracleClob clob2 = new OracleClob(con);
      
    // Write 4 chars, starting at buffer offset 0
    char[] buffer = new char[4] {'a', 'b', 'c', 'd'};    
    clob1.Write(buffer, 0, 4);
 
    // Copy 2 chars from char 0 of clob1 to char 1 of clob2
    clob1.CopyTo(0, clob2, 1, 2);
    
    //Prints "clob2.Value =  ab"
    Console.WriteLine("clob2.Value = " + clob2.Value);
        
    clob1.Close(); 
    clob1.Dispose();
 
    clob2.Close();
    clob2.Dispose();
 
    con.Close();
    con.Dispose();
  }
}