63 lines
1.9 KiB
ObjectPascal
63 lines
1.9 KiB
ObjectPascal
{
|
|
:: X2UtVirtualTree provides a set of functions commonly used with
|
|
:: TVirtualTree (http://www.delphi-gems.com/).
|
|
::
|
|
:: Subversion repository available at:
|
|
:: $URL$
|
|
::
|
|
:: Last changed: $Date$
|
|
:: Revision: $Rev$
|
|
:: Author: $Author$
|
|
|
|
:$
|
|
:$
|
|
:$ X2Utils is released under the zlib/libpng OSI-approved license.
|
|
:$ For more information: http://www.opensource.org/
|
|
:$ /n/n
|
|
:$ /n/n
|
|
:$ Copyright (c) 2003 X2Software
|
|
:$ /n/n
|
|
:$ This software is provided 'as-is', without any express or implied warranty.
|
|
:$ In no event will the authors be held liable for any damages arising from
|
|
:$ the use of this software.
|
|
:$ /n/n
|
|
:$ Permission is granted to anyone to use this software for any purpose,
|
|
:$ including commercial applications, and to alter it and redistribute it
|
|
:$ freely, subject to the following restrictions:
|
|
:$ /n/n
|
|
:$ 1. The origin of this software must not be misrepresented; you must not
|
|
:$ claim that you wrote the original software. If you use this software in a
|
|
:$ product, an acknowledgment in the product documentation would be
|
|
:$ appreciated but is not required.
|
|
:$ /n/n
|
|
:$ 2. Altered source versions must be plainly marked as such, and must not be
|
|
:$ misrepresented as being the original software.
|
|
:$ /n/n
|
|
:$ 3. This notice may not be removed or altered from any source distribution.
|
|
}
|
|
unit X2UtVirtualTree;
|
|
|
|
interface
|
|
uses
|
|
VirtualTrees;
|
|
|
|
//:$ Applies the sort order on the specified column
|
|
//:: When a column is already sorted, the sort order is reversed.
|
|
procedure SortColumn(const AHeader: TVTHeader;
|
|
const AColumn: TColumnIndex);
|
|
|
|
implementation
|
|
|
|
procedure SortColumn;
|
|
begin
|
|
with AHeader do
|
|
if SortColumn = AColumn then
|
|
SortDirection := TSortDirection(1 - Integer(SortDirection))
|
|
else begin
|
|
SortColumn := AColumn;
|
|
SortDirection := sdAscending;
|
|
end;
|
|
end;
|
|
|
|
end.
|
|
|