protected override void Paint(System.Drawing.Graphics graphics, System.Drawing.Rectangle clipBounds, System.Drawing.Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
{
// Is the mouse hovering over this cell?
if ((inCell == rowIndex) &&
((cellState & DataGridViewElementStates.Selected) !=
DataGridViewElementStates.Selected))
{
// Get the rectangle where painting will take place.
Rectangle rect = new Rectangle(cellBounds.X, cellBounds.Y,
cellBounds.Width - 1, cellBounds.Height - 1);
// Render the custom cell background.
Color gradientColor;
GradientRolloverColumn gradientColumn = this.OwningColumn as GradientRolloverColumn;
if (gradientColumn != null)
{
gradientColor = ((GradientRolloverColumn)base.OwningColumn).GradientColor;
}
else
{
gradientColor = Color.Blue;
}
using (LinearGradientBrush brush = new LinearGradientBrush(rect,
Color.White, gradientColor, 35f))
{
graphics.FillRectangle(brush, rect);
}
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState,
value, formattedValue, errorText, cellStyle, advancedBorderStyle,
paintParts & ~(DataGridViewPaintParts.Background | DataGridViewPaintParts.SelectionBackground));
}
else
{
// Perform the standard painting.
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState,
value, formattedValue, errorText, cellStyle, advancedBorderStyle,
paintParts);
}
}
private void CustomCell_Load(object sender, EventArgs e)
{
dataGridView1.DataSource = Program.StoreDB.GetProducts();
// Hide the ordinary version of this column.
dataGridView1.Columns[0].Visible = false;
// Create custom column.
GradientRolloverColumn colGradient = new GradientRolloverColumn(Color.SlateBlue);
colGradient.DataPropertyName = dataGridView1.Columns[0].DataPropertyName;
colGradient.HeaderText = dataGridView1.Columns[0].HeaderText;
colGradient.Width = dataGridView1.Columns[0].Width;
colGradient.ReadOnly = dataGridView1.Columns[0].ReadOnly;
colGradient.ValueType = dataGridView1.Columns[0].ValueType;
colGradient.DisplayIndex = 0;
// Add the custom column.
dataGridView1.Columns.Add(colGradient);
}
private void CustomCell_Load(object sender, EventArgs e)
{
dataGridView1.DataSource = Program.StoreDB.GetProducts();
// Hide the ordinary version of this column.
dataGridView1.Columns[0].Visible = false;
// Create custom column.
GradientRolloverColumn colGradient = new GradientRolloverColumn(Color.SlateBlue);
colGradient.DataPropertyName = dataGridView1.Columns[0].DataPropertyName;
colGradient.HeaderText = dataGridView1.Columns[0].HeaderText;
colGradient.Width = dataGridView1.Columns[0].Width;
colGradient.ReadOnly = dataGridView1.Columns[0].ReadOnly;
colGradient.ValueType = dataGridView1.Columns[0].ValueType;
colGradient.DisplayIndex = 0;
// Add the custom column.
dataGridView1.Columns.Add(colGradient);
}
