public void PaintHeader_InvalidRowIndex_ThrowsInvalidOperationException(int rowIndex)
{
using (var image = new Bitmap(10, 10))
using (Graphics graphics = Graphics.FromImage(image))
{
var dataGridView = new DataGridView();
dataGridView.Columns.Add("name", "text");
var e = new DataGridViewRowPrePaintEventArgs(dataGridView, graphics, Rectangle.Empty, Rectangle.Empty, rowIndex, DataGridViewElementStates.Displayed, null, new DataGridViewCellStyle(), false, false);
Assert.Throws <InvalidOperationException>(() => e.PaintHeader(DataGridViewPaintParts.None));
Assert.Throws <InvalidOperationException>(() => e.PaintHeader(true));
}
}
private void metroGrid1_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
{
if (e.RowIndex == metroGrid1.NewRowIndex)
{
e.PaintHeader(DataGridViewPaintParts.Background | DataGridViewPaintParts.Border);
e.PaintCells(e.ClipBounds, DataGridViewPaintParts.All);
e.Handled = true;
}
}
private void BatchHash_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
{
e.PaintCells(e.ClipBounds, DataGridViewPaintParts.All);
e.PaintHeader(DataGridViewPaintParts.Background
| DataGridViewPaintParts.Border
| DataGridViewPaintParts.Focus
| DataGridViewPaintParts.SelectionBackground
| DataGridViewPaintParts.ContentForeground);
e.Handled = true;
}
public void PaintHeader_ValidRowIndexBool_Success(bool paintSelectionBackground)
{
using (var image = new Bitmap(10, 10))
using (Graphics graphics = Graphics.FromImage(image))
{
var dataGridView = new DataGridView();
dataGridView.Columns.Add("name", "text");
var e = new DataGridViewRowPrePaintEventArgs(dataGridView, graphics, Rectangle.Empty, Rectangle.Empty, 0, DataGridViewElementStates.Displayed, null, new DataGridViewCellStyle(), false, false);
e.PaintHeader(paintSelectionBackground);
}
}
private void SandpilePalette_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
{
e.PaintCells(e.ClipBounds, DataGridViewPaintParts.All);
e.PaintHeader(DataGridViewPaintParts.Background
| DataGridViewPaintParts.Border
| DataGridViewPaintParts.Focus
| DataGridViewPaintParts.SelectionBackground);
e.Handled = true;
e.Graphics.DrawString(e.RowIndex.ToString(),
e.InheritedRowStyle.Font,
Brushes.Black,
new PointF(e.RowBounds.X + 2, e.RowBounds.Y + 2));
}
void dataGridView_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
{
// Help removing indicator/pointer in row header of datagridview
// https://social.msdn.microsoft.com/Forums/windows/en-US/346e5839-1813-472b-8b3a-7344118819b3/help-removing-indicatorpointer-in-row-header-of-datagridview?forum=winformsdatacontrols
e.PaintCells(e.ClipBounds, DataGridViewPaintParts.All);
e.PaintHeader(
DataGridViewPaintParts.Background |
DataGridViewPaintParts.Border |
DataGridViewPaintParts.Focus |
DataGridViewPaintParts.SelectionBackground |
DataGridViewPaintParts.ContentForeground);
e.Handled = true;
}
private void GridRowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
{
var rowBounds = new Rectangle(
RowHeadersWidth,
e.RowBounds.Top,
Columns.GetColumnsWidth(DataGridViewElementStates.Visible) - HorizontalScrollingOffset + 1,
e.RowBounds.Height);
int realIndex = _rowManager.RealIndex(e.RowIndex);
if (FeatureSet.FeatureSelected(realIndex))
{
e.PaintParts &= ~DataGridViewPaintParts.Background;
e.PaintHeader(false);
e.Graphics.FillRectangle(new SolidBrush(_selectionColor), rowBounds);
}
}
protected override void OnRowPrePaint(DataGridViewRowPrePaintEventArgs e)
{
e.PaintCells(e.RowBounds, e.PaintParts);
e.PaintHeader(true);
e.Handled = true;
}