/// <summary>
/// Gets the sub matrix.
/// </summary>
/// <param name="rowStart">The row start.</param>
/// <param name="columnStart">The column start.</param>
/// <param name="rowCount">The row count.</param>
/// <param name="columnCount">The column count.</param>
/// <returns>The sub matrix of the current matrix.</returns>
public ObjectMatrix <T> GetSubMatrix(int rowStart, int columnStart, int rowCount, int columnCount)
{
if ((rowCount <= 0) || (columnCount <= 0))
{
throw new ArgumentException(Resources.ColumnAndRowCountBiggerThan0);
}
if ((rowStart < 0) || (columnStart < 0))
{
throw new ArgumentOutOfRangeException();
}
if (((rowStart + rowCount) > Rows) || ((columnStart + columnCount) > Columns))
{
throw new ArgumentOutOfRangeException();
}
ObjectMatrix <T> ret = new ObjectMatrix <T>(rowCount, columnCount);
for (int i = rowStart; i < rowStart + rowCount; i++)
{
for (int j = columnStart; j < columnStart + columnCount; j++)
{
ret[i - rowStart, j - columnStart] = this[i, j];
}
}
return(ret);
}
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>
/// A 32-bit signed integer that indicates the relative order of the objects being compared. The return value has these meanings: Value Meaning Less than zero This instance is less than obj. Zero This instance is equal to obj. Greater than zero This instance is greater than obj.
/// </returns>
/// <exception cref="T:System.ArgumentException">obj is not the same type as this instance. </exception>
public int CompareTo(object obj)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (obj.GetType() == this.GetType())
{
ObjectMatrix <T> matrix = obj as ObjectMatrix <T>;
return(this.Count.CompareTo(matrix.Count));
}
else
{
return(this.GetType().FullName.CompareTo(obj.GetType().FullName));
}
}
