void FastObjectListView_SearchForVirtualItem(object sender, SearchForVirtualItemEventArgs e)
{
// The event has e.IsPrefixSearch, but as far as I can tell, this is always false (maybe that's different under Vista)
// So we ignore IsPrefixSearch and IsTextSearch and always to a case insensitve prefix match
int increment = (e.Direction == SearchDirectionHint.Up ? -1 : 1);
OLVColumn column = this.GetColumn(0);
if (this.IsSearchOnSortColumn && this.View == View.Details && this.lastSortColumn != null)
{
column = this.lastSortColumn;
}
int i;
for (i = e.StartIndex; i >= 0 && i < this.objectList.Count; i += increment)
{
string data = column.GetStringValue(this.objectList[i]);
if (data.StartsWith(e.Text, StringComparison.CurrentCultureIgnoreCase))
{
e.Index = i;
return;
}
}
// Also the LVFINDINFO has a LV_WRAP flag, but the SearchForVirtualItemEventArgs does not. Why?
// We always wrap
i = (increment < 0 ? this.objectList.Count : 0);
while ((increment < 0 && i > e.StartIndex) || (increment > 0 && i < e.StartIndex))
{
string data = column.GetStringValue(this.objectList[i]);
if (data.StartsWith(e.Text, StringComparison.CurrentCultureIgnoreCase))
{
e.Index = i;
return;
}
i += increment;
}
}
/// <summary>
/// Generate aspect getters and putters for any columns that are missing them (and for which we have
/// enough information to actually generate a getter)
/// </summary>
protected void CreateMissingAspectGettersAndPutters()
{
for (int i = 0; i < this.Columns.Count; i++)
{
OLVColumn column = this.GetColumn(i);
if (column.AspectGetter == null && !String.IsNullOrEmpty(column.AspectName))
{
column.AspectGetter = delegate(object row)
{
try
{
// In most cases, rows will be DataRowView objects
return(((DataRowView)row)[column.AspectName]);
}
catch
{
return(column.GetAspectByName(row));
}
};
}
if (column.IsEditable && column.AspectPutter == null && !String.IsNullOrEmpty(column.AspectName))
{
column.AspectPutter = delegate(object row, object newValue)
{
try
{
// In most cases, rows will be DataRowView objects
((DataRowView)row)[column.AspectName] = newValue;
}
catch
{
column.PutAspectByName(row, newValue);
}
};
}
}
}
public ColumnComparer(OLVColumn col, SortOrder order)
{
this.column = col;
this.sortOrder = order;
this.secondComparer = null;
}