| public Compare ( String string1, String string2, CompareOptions options ) : int | ||
| string1 | String | |
| string2 | String | |
| options | CompareOptions | |
| return | int | |
public unsafe virtual int Compare(String string1, String string2, CompareOptions options){
if (options == CompareOptions.OrdinalIgnoreCase)
{
return String.Compare(string1, string2, StringComparison.OrdinalIgnoreCase);
}
// Verify the options before we do any real comparison.
if ((options & CompareOptions.Ordinal) != 0)
{
if (options == CompareOptions.Ordinal)
{
//Our paradigm is that null sorts less than any other string and
//that two nulls sort as equal.
if (string1 == null) {
if (string2 == null) {
return (0); // Equal
}
return (-1); // null < non-null
}
if (string2 == null) {
return (1); // non-null > null
}
return String.nativeCompareOrdinal(string1, string2, false);
} else
{
throw new ArgumentException(Environment.GetResourceString("Argument_CompareOptionOrdinal"), "options");
}
}
if ((options & ValidCompareMaskOffFlags) != 0)
{
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidFlag"), "options");
}
//Our paradigm is that null sorts less than any other string and
//that two nulls sort as equal.
if (string1 == null) {
if (string2 == null) {
return (0); // Equal
}
return (-1); // null < non-null
}
if (string2 == null) {
return (1); // non-null > null
}
return (Compare(m_pSortingTable, this.m_sortingLCID, string1, string2, options));
}
| CompareInfo::Compare ( String string1, String string2 ) : int | |
| CompareInfo::Compare ( String string1, int offset1, String string2, int offset2 ) : int | |
| CompareInfo::Compare ( String string1, int offset1, String string2, int offset2, CompareOptions options ) : int | |
| CompareInfo::Compare ( String string1, int offset1, int length1, String string2, int offset2, int length2 ) : int | |
| CompareInfo::Compare ( String string1, int offset1, int length1, String string2, int offset2, int length2, CompareOptions options ) : int | |
| CompareInfo::Compare ( void pSortingTable, int sortingLCID, String string1, String string2, CompareOptions options ) : int |
internal int AddSorted(TreeNodeEx node)
{
int pos = 0;
string text = node.Text;
if (childCount > 0)
{
System.Globalization.CompareInfo compare = System.Windows.Forms.Application.CurrentCulture.CompareInfo;
// Simple optimization if added in sort order
if (compare.Compare(children[(childCount - 1)].Text, text) <= 0)
pos = childCount;
else
{
// Binary Search
int i = 0;
int j = childCount;
while (i < j)
{
int mid = (i + j) / 2;
if (compare.Compare(children[mid].Text, text) <= 0)
i = mid + 1;
else
i = mid;
}
pos = i;
}
}
node.SortChildren();
InsertNodeAt(pos, node);
if (treeView != null && node == treeView.SelectedNode)
{
treeView.SelectedNode = node;
}
return pos;
}