private void listview_ColumnClick(object sender, ColumnClickEventArgs e)
{
IntPtr hHeader = (IntPtr)Sce.Atf.User32.SendMessage(m_listView.Handle, Sce.Atf.User32.LVM_GETHEADER, (int)IntPtr.Zero, (int)IntPtr.Zero);
IntPtr newColumn = new IntPtr(e.Column);
IntPtr prevColumn = new IntPtr(m_column);
User32.HDITEM hdItem;
IntPtr rtn;
if (m_column == e.Column)
{
m_direction = -m_direction;
}
else if (m_column != -1) // Only update the previous item if it existed and if it was a different one.
{
// Clear icon from the previous column.
hdItem = new User32.HDITEM();
hdItem.mask = User32.HDI_FORMAT;
rtn = User32.SendMessageITEM(hHeader, User32.HDM_GETITEM, prevColumn, ref hdItem);
hdItem.fmt &= ~User32.HDF_SORTDOWN & ~User32.HDF_SORTUP;
rtn = User32.SendMessageITEM(hHeader, User32.HDM_SETITEM, prevColumn, ref hdItem);
}
// Set icon on the new column.
hdItem = new User32.HDITEM();
hdItem.mask = User32.HDI_FORMAT;
rtn = User32.SendMessageITEM(hHeader, User32.HDM_GETITEM, newColumn, ref hdItem);
if (m_direction == 1)
{
hdItem.fmt &= ~User32.HDF_SORTDOWN;
hdItem.fmt |= User32.HDF_SORTUP;
}
else
{
hdItem.fmt &= ~User32.HDF_SORTUP;
hdItem.fmt |= User32.HDF_SORTDOWN;
}
rtn = User32.SendMessageITEM(hHeader, User32.HDM_SETITEM, newColumn, ref hdItem);
m_column = e.Column;
m_listView.ListViewItemSorter = null;
m_listView.ListViewItemSorter = this;
}
private void listview_ColumnClick(object sender, ColumnClickEventArgs e)
{
IntPtr hHeader = (IntPtr) Sce.Atf.User32.SendMessage(m_listView.Handle, Sce.Atf.User32.LVM_GETHEADER, (int)IntPtr.Zero, (int)IntPtr.Zero);
IntPtr newColumn = new IntPtr(e.Column);
IntPtr prevColumn = new IntPtr(m_column);
User32.HDITEM hdItem;
IntPtr rtn;
if (m_column == e.Column)
m_direction = -m_direction;
else if (m_column != -1) // Only update the previous item if it existed and if it was a different one.
{
// Clear icon from the previous column.
hdItem = new User32.HDITEM();
hdItem.mask = User32.HDI_FORMAT;
rtn = User32.SendMessageITEM(hHeader, User32.HDM_GETITEM, prevColumn, ref hdItem);
hdItem.fmt &= ~User32.HDF_SORTDOWN & ~User32.HDF_SORTUP;
rtn = User32.SendMessageITEM(hHeader, User32.HDM_SETITEM, prevColumn, ref hdItem);
}
// Set icon on the new column.
hdItem = new User32.HDITEM();
hdItem.mask = User32.HDI_FORMAT;
rtn = User32.SendMessageITEM(hHeader, User32.HDM_GETITEM, newColumn, ref hdItem);
if (m_direction == 1)
{
hdItem.fmt &= ~User32.HDF_SORTDOWN;
hdItem.fmt |= User32.HDF_SORTUP;
}
else
{
hdItem.fmt &= ~User32.HDF_SORTUP;
hdItem.fmt |= User32.HDF_SORTDOWN;
}
rtn = User32.SendMessageITEM(hHeader, User32.HDM_SETITEM, newColumn, ref hdItem);
m_column = e.Column;
m_listView.ListViewItemSorter = null;
m_listView.ListViewItemSorter = this;
}
