public bool DrawMergedCell(MyMergedCell cell, PaintEventArgs e)
{
//return true;
int delta = cell.Column1.VisibleIndex - cell.Column2.VisibleIndex;
if (Math.Abs(delta) > 1)
return false;
GridViewInfo vi = View.GetViewInfo() as GridViewInfo;
GridCellInfo gridCellInfo1 = vi.GetGridCellInfo(cell.RowHandle, cell.Column1.VisibleIndex);
GridCellInfo gridCellInfo2 = vi.GetGridCellInfo(cell.RowHandle, cell.Column2.VisibleIndex);
if (gridCellInfo1 == null || gridCellInfo2 == null)
return false;
Rectangle targetRect = Rectangle.Union(gridCellInfo1.Bounds, gridCellInfo2.Bounds);
gridCellInfo1.Bounds = targetRect;
gridCellInfo1.CellValueRect = targetRect;
gridCellInfo2.Bounds = targetRect;
gridCellInfo2.CellValueRect = targetRect;
if (delta < 0)
gridCellInfo1 = gridCellInfo2;
Rectangle bounds = gridCellInfo1.ViewInfo.Bounds;
bounds.Width = targetRect.Width;
bounds.Height = targetRect.Height;
gridCellInfo1.ViewInfo.Bounds = bounds;
gridCellInfo1.ViewInfo.CalcViewInfo(e.Graphics);
IsCustomPainting = true;
GraphicsCache cache = new GraphicsCache(e.Graphics);
gridCellInfo1.Appearance.FillRectangle(cache, gridCellInfo1.Bounds);
DrawRowCell(new GridViewDrawArgs(cache, vi, vi.ViewRects.Bounds), gridCellInfo1);
IsCustomPainting = false;
return true;
}
public MyMergedCell AddMergedCell(int rowHandle, GridColumn col1, GridColumn col2)
{
MyMergedCell cell = new MyMergedCell(rowHandle, col1, col2);
_MergedCells.Add(cell);
return cell;
}
public void SafeSetMergedCellValue(MyMergedCell cell, object value)
{
if (cell != null)
{
SafeSetMergedCellValue(cell.RowHandle, cell.Column1, value);
SafeSetMergedCellValue(cell.RowHandle, cell.Column2, value);
}
}