internal void RequestSubformClosing(DataGridViewSubformCell sender, SubformClosingEventArgs e)
{
if (SubformClosing != null)
{
SubformClosing(sender, e);
}
}
public void CloseForm()
{
if (this.OwningColumn == null)
{
return;
}
if (form != null)
{
//Fire the subformclosing event and check for cancels
SubformClosingEventArgs ea = new SubformClosingEventArgs(form);
((DataGridViewSubformColumn)this.OwningColumn).RequestSubformClosing(this, ea);
if (ea.Cancel)
{
_subformshowing = true;
return;
}
//remove the subform from the data gridview
DataGridView.Controls.Remove(form);
//dispose of the subform
form.Dispose();
form = null;
//set the height of the row to the correct value
if (((DataGridViewExtension)DataGridView).SubFormColumns.Count() > 1)
{
if (RowSubformCells.Max(r => r.SubformHeight) > 0)
{
OwningRow.Height = RowSubformCells.Max(r => r.SubformHeight) + heightBeforeShowSubForm;
}
else
{
OwningRow.Height = heightBeforeShowSubForm;
heightBeforeShowSubForm = 0;
}
}
else
{
OwningRow.Height = heightBeforeShowSubForm;
heightBeforeShowSubForm = 0;
}
//reset alignment for each cell
if (OwningRow.Cells.Cast <DataGridViewCell>().Where(r => r.GetType() == typeof(DataGridViewSubformCell)).Cast <DataGridViewSubformCell>().Where(r => r.SubformShowing).Count() == 0)
{
for (int i = 0; i < alignmentBeforeShow.Length / 2; i++)
{
if (OwningRow.Cells.Cast <DataGridViewCell>().Where(r => r.OwningColumn ==
(DataGridViewColumn)alignmentBeforeShow[i, 1]).Count() > 0)
{
OwningRow.Cells.Cast <DataGridViewCell>().Where(r => r.OwningColumn ==
(DataGridViewColumn)alignmentBeforeShow[i, 1]).First().Style.Alignment
= (DataGridViewContentAlignment)alignmentBeforeShow[i, 0];
}
}
}
//reposition all subforms below this one
for (int i = DataGridView.CurrentCell.RowIndex + 1; i < DataGridView.Rows.Count; i++)
{
foreach (DataGridViewSubformColumn col in ((DataGridViewExtension)DataGridView).SubFormColumns)
{
DataGridViewSubformCell cell = ((DataGridViewSubformCell)DataGridView.Rows[i].Cells[col.Index]);
if (cell.SubformShowing)
{
cell.PositionSubform();
}
}
}
}
}