Ejemplo n.º 1
0
        public int Compare(object x, object y)
        {
            //int compareResult;
            int          image1, image2;
            ListViewItem listviewX, listviewY;

            // Cast the objects to be compared to ListViewItem objects
            listviewX = (ListViewItem)x;
            image1    = listviewX.ImageIndex;
            listviewY = (ListViewItem)y;
            image2    = listviewY.ImageIndex;

            if (image1 < image2)
            {
                return(-1);
            }
            else if (image1 == image2)
            {
                return(ObjectCompare.Compare(listviewX.Text, listviewY.Text));
            }
            else
            {
                return(1);
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// This method is inherited from the IComparer interface.  It compares the two objects passed using a case insensitive comparison.
        /// </summary>
        /// <param name="x">First object to be compared</param>
        /// <param name="y">Second object to be compared</param>
        /// <returns>The result of the comparison. "0" if equal, negative if 'x' is less than 'y' and positive if 'x' is greater than 'y'</returns>
        public int Compare(object x, object y)
        {
            int          compareResult;
            ListViewItem listviewX, listviewY;

            // Cast the objects to be compared to ListViewItem objects
            listviewX = (ListViewItem)x;
            listviewY = (ListViewItem)y;

            if (ColumnToSort == 0)
            {
                compareResult = FirstObjectCompare.Compare(x, y);
            }
            else
            {
                // Compare the two items
                compareResult = ObjectCompare.Compare(listviewX.SubItems[ColumnToSort].Text, listviewY.SubItems[ColumnToSort].Text);
            }

            // Calculate correct return value based on object comparison
            if (OrderOfSort == SortOrder.Ascending)
            {
                // Ascending sort is selected, return normal result of compare operation
                return(compareResult);
            }
            else if (OrderOfSort == SortOrder.Descending)
            {
                // Descending sort is selected, return negative result of compare operation
                return(-compareResult);
            }
            else
            {
                // Return '0' to indicate they are equal
                return(0);
            }
        }