private void c1FlexGrid1_BeforeMouseDown(object sender, BeforeMouseDownEventArgs e)
{
if (c1FlexGrid1.HitTest().Type == HitTestTypeEnum.Checkbox)
{
if (cRange.r1 != cRange.r2)
{
int col, row;
col = c1FlexGrid1.HitTest(e.X, e.Y).Column;
row = c1FlexGrid1.HitTest(e.X, e.Y).Row;
//Cancel the default mouse down action
e.Cancel = true;
C1.Win.C1FlexGrid.CheckEnum chValue = c1FlexGrid1.GetCellCheck(row, col);
List <DataRowView> drList = new List <DataRowView>();
for (int i = cRange.r1; i <= cRange.r2; i++)
{
drList.Add(c1FlexGrid1.Rows[i].DataSource as DataRowView);
}
foreach (DataRowView dr in drList)
{
switch (chValue)
{
case C1.Win.C1FlexGrid.CheckEnum.Checked:
case C1.Win.C1FlexGrid.CheckEnum.TSChecked:
dr["chon"] = false;
break;
case C1.Win.C1FlexGrid.CheckEnum.Unchecked:
case C1.Win.C1FlexGrid.CheckEnum.TSUnchecked:
dr["chon"] = true;
break;
}
}
}
}
}
// ** overrides
// get data for display (evaluates formulas)
public override string GetDataDisplay(int row, int col, out System.Drawing.Image img, out C1.Win.C1FlexGrid.CheckEnum chk)
{
// no image, no checkbox
img = null;
chk = C1.Win.C1FlexGrid.CheckEnum.None;
// get raw value
object val = null;
try
{
val = Evaluate(row, col);
}
catch (Exception x)
{
val = "ERR: " + x.Message;
}
// apply cell format
var ifmt = val as IFormattable;
if (ifmt != null)
{
var s = GetCellStyleDisplay(row, col);
var fmt = !string.IsNullOrEmpty(s.Format)
? s.Format
: "#,##0.#########"; // set default precision to 9 digits
val = ifmt.ToString(fmt, CultureInfo.CurrentCulture);
}
else
{
// remove leading quotes (as Excel)
var text = val as string;
if (!string.IsNullOrEmpty(text) && text[0] == '\'')
{
val = text.Substring(1);
}
}
// done
return(val != null?val.ToString() : null);
}
