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 DataGridViewRowPostPaintEventArgs(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));
}
}
// Show variable type in row header and highlight AVGPR watches
private void ReplaceDefaultRowHeaderBitmap(object sender, DataGridViewRowPostPaintEventArgs e)
{
if (e.RowIndex == _table.NewWatchRowIndex)
{
return;
}
var selectedWatch = VisualizerTable.GetRowWatchState(_table.Rows[e.RowIndex]);
if (selectedWatch.IsAVGPR)
{
var highlightedRect = new Rectangle(e.RowBounds.Left + 3, e.RowBounds.Top + 3, _table.RowHeadersWidth - 6, e.RowBounds.Height - 6);
e.Graphics.FillRectangle(_avgprColor, highlightedRect);
}
e.PaintHeader(
DataGridViewPaintParts.Background
| DataGridViewPaintParts.Border
| DataGridViewPaintParts.Focus
| DataGridViewPaintParts.SelectionBackground
| DataGridViewPaintParts.ContentForeground
);
if (!selectedWatch.IsEmpty)
{
var typeTextPos = new PointF((float)e.RowBounds.Left + 7, (float)e.RowBounds.Top + 4);
e.Graphics.DrawString(selectedWatch.Type.ShortName(),
_table.RowHeadersDefaultCellStyle.Font,
new SolidBrush(_table.RowHeadersDefaultCellStyle.ForeColor),
typeTextPos);
}
}
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 DataGridViewRowPostPaintEventArgs(dataGridView, graphics, Rectangle.Empty, Rectangle.Empty, 0, DataGridViewElementStates.Displayed, null, new DataGridViewCellStyle(), false, false);
e.PaintHeader(paintSelectionBackground);
}
}
/// <summary>
/// Raised when the rows have been painted.
/// </summary>
/// <param name="e">The <see cref="DataGridViewRowPostPaintEventArgs"/>.</param>
protected override void OnRowPostPaint(DataGridViewRowPostPaintEventArgs e)
{
// Draw the header manually to get rid of this ugly triangle.
e.PaintHeader(DataGridViewPaintParts.Background);
object headerValue = Rows[e.RowIndex].HeaderCell.Value;
Rectangle headerRect = new Rectangle(e.RowBounds.Left, e.RowBounds.Top,
RowHeadersWidth, e.RowBounds.Height);
TextRenderer.DrawText(e.Graphics, $"{headerValue}", RowHeadersDefaultCellStyle.Font, headerRect,
RowHeadersDefaultCellStyle.ForeColor,
TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter);
}
private void ReplaceDefaultRowHeaderBitmap(object sender, DataGridViewRowPostPaintEventArgs e)
{
if (_table.Rows[e.RowIndex].HeaderCell.Value == null)
{
return;
}
e.PaintHeader(
DataGridViewPaintParts.Background
| DataGridViewPaintParts.Border
| DataGridViewPaintParts.Focus
| DataGridViewPaintParts.SelectionBackground
| DataGridViewPaintParts.ContentForeground
);
var typeTextPos = new PointF((float)e.RowBounds.Left + 7, (float)e.RowBounds.Top + 4);
e.Graphics.DrawString(_table.Rows[e.RowIndex].HeaderCell.Value.ToString(),
_table.RowHeadersDefaultCellStyle.Font,
new SolidBrush(_table.RowHeadersDefaultCellStyle.ForeColor),
typeTextPos);
}
private void wordsAudioGrid_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
{
e.PaintHeader(DataGridViewPaintParts.All & ~DataGridViewPaintParts.ContentBackground);
}