private void GroupedColumns_Changed(object sender, Syncfusion.Collections.ListPropertyChangedEventArgs e)
{
if (this.gridGroupingControl1.TableDescriptor.GroupedColumns.Count >= 1)
{
foreach (Element el in this.gridGroupingControl1.Table.DisplayElements)
{
if (!(el is GridRecordRow))
{
int row = this.gridGroupingControl1.Table.NestedDisplayElements.IndexOf(el);
if (this.gridGroupingControl1.Table.NestedDisplayElements[row].IsCaption())
{
GridCaptionRow crow = (GridCaptionRow)el;
Group gp = crow.ParentGroup;
if (gp.IsExpanded)
{
crow.Appearance.GroupCaptionPlusMinusCell.CellValue = Image.FromFile(Syncfusion.Windows.Forms.WinFormsUtils.FindFile("res", "minus.png"));
}
else
{
crow.Appearance.GroupCaptionPlusMinusCell.CellValue = Image.FromFile(Syncfusion.Windows.Forms.WinFormsUtils.FindFile("res", "plus.png"));
}
}
}
}
}
}
private void VisibleColumns_Changed(object sender, Syncfusion.Collections.ListPropertyChangedEventArgs e)
{
visibleCols = new string[this.gridGroupingControl1.TableDescriptor.VisibleColumns.Count];
for (int i = 0; i < visibleCols.Length; i++)
{
visibleCols[i] = this.gridGroupingControl1.TableDescriptor.VisibleColumns[i].Name;
}
}
