protected override void OnCellMouseEnter(DataGridViewCellEventArgs e)
{
if (m_isMouseDragSelecting && e != null && e.RowIndex >= 0 && e.RowIndex < Rows.Count)
{
// Drag-select a range of grid rows
m_lastDragSelectedRowIndex = e.RowIndex;
m_lowestDragSelectedIndex = Math.Min(m_lowestDragSelectedIndex, e.RowIndex);
m_highestDragSelectedIndex = Math.Max(m_highestDragSelectedIndex, e.RowIndex);
SetCurrentRow(e.RowIndex);
if (m_lowestDragSelectedIndex < LowerDragSelectedRowIndex)
{
SetRowSelection(m_lowestDragSelectedIndex, LowerDragSelectedRowIndex, false);
}
if (m_highestDragSelectedIndex > HigherDragSelectedRowIndex)
{
SetRowSelection(HigherDragSelectedRowIndex + 1, m_highestDragSelectedIndex + 1, false);
}
SetRowSelection(LowerDragSelectedRowIndex, HigherDragSelectedRowIndex + 1, true);
this.Refresh();
m_mainSplitContainer.SelectedResultsChanged();
}
base.OnCellMouseEnter(e);
}
public void SetRowSelection(bool isControlA)
{
if (isControlA)
{
SetRowSelection(0, Rows.Count, true);
}
else
{
if (m_currentRowIndex != -1)
{
if (m_isShiftDown)
{
if (m_firstSelectedRowIndex == -1 || m_firstSelectedRowIndex >= Rows.Count)
{
m_firstSelectedRowIndex = m_currentRowIndex;
}
int selectionBegin = Math.Min(m_firstSelectedRowIndex, m_currentRowIndex);
int selectionEnd = Math.Max(m_firstSelectedRowIndex, m_currentRowIndex);
SetRowSelection(0, selectionBegin, false);
SetRowSelection(selectionBegin, selectionEnd + 1, true);
SetRowSelection(selectionEnd + 1, Rows.Count, false);
}
else
{
m_firstSelectedRowIndex = -1;
if (!m_isControlDown)
{
SetRowSelection(0, Rows.Count, false);
}
bool value = !((DataGridViewCustomRow)Rows[m_currentRowIndex]).selected;
SetRowSelection(m_currentRowIndex, m_currentRowIndex + 1, value);
}
}
}
m_mainSplitContainer.SelectedResultsChanged();
}