public void DrawFocus_ValidRowIndex_Success()
{
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.DrawFocus(new Rectangle(1, 2, 3, 4), true);
}
}
public void DrawFocus_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.DrawFocus(new Rectangle(1, 2, 3, 4), true));
}
}
private void PackagesDataGrid_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
{
if (e.RowIndex < 0)
{
return;
}
int MainOrderID = Convert.ToInt32(PackagesDataGrid.Rows[e.RowIndex].Cells["MainOrderID"].Value);
int GroupType = Convert.ToInt32(PackagesDataGrid.Rows[e.RowIndex].Cells["GroupType"].Value);
Color BackColor = Color.White;
Color ForeColor = Color.Black;
Color SelectionBackColor = Color.FromArgb(31, 158, 0);
Color SelectionForeColor = Color.White;
int rowHeaderWidth = PackagesDataGrid.RowHeadersVisible ?
PackagesDataGrid.RowHeadersWidth : 0;
Rectangle rowBounds = new Rectangle(
rowHeaderWidth,
e.RowBounds.Top,
PackagesDataGrid.Columns.GetColumnsWidth(
DataGridViewElementStates.Visible) -
PackagesDataGrid.HorizontalScrollingOffset + 1,
e.RowBounds.Height);
if (GroupType != CheckTray.CurrentGroupType)
{
BackColor = Color.Red;
ForeColor = Color.White;
SelectionBackColor = Color.Red;
SelectionForeColor = Color.White;
}
if (GroupType == 2 && CheckTray.IsWrongClient(MainOrderID))
{
BackColor = Color.Red;
ForeColor = Color.White;
SelectionBackColor = Color.Red;
SelectionForeColor = Color.White;
}
PackagesDataGrid.Rows[e.RowIndex].DefaultCellStyle.BackColor = BackColor;
PackagesDataGrid.Rows[e.RowIndex].DefaultCellStyle.ForeColor = ForeColor;
PackagesDataGrid.Rows[e.RowIndex].DefaultCellStyle.SelectionBackColor = SelectionBackColor;
PackagesDataGrid.Rows[e.RowIndex].DefaultCellStyle.SelectionForeColor = SelectionForeColor;
if (PackagesDataGrid.CurrentCellAddress.Y == e.RowIndex)
{
// Paint the focus rectangle.
e.DrawFocus(rowBounds, true);
}
}
private void dgvPassenger_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
{
int width = dgvPassenger.Columns.GetColumnsWidth(DataGridViewElementStates.Visible);// +dgvPassenger.Width - 2;
Rectangle rowBounds = new Rectangle(
0, e.RowBounds.Top, width, e.RowBounds.Height - 1);
if (dgvPassenger.CurrentCellAddress.Y == e.RowIndex)
{
//设置选中边框
e.DrawFocus(rowBounds, true);
}
}
/// <summary>
/// Row重绘后处理
/// </summary>
/// <param name="e"></param>
protected override void OnRowPostPaint(DataGridViewRowPostPaintEventArgs e)
{
base.OnRowPostPaint(e);
int width = this.Columns.GetColumnsWidth(DataGridViewElementStates.Visible);// + _RowHeadWidth;
Rectangle rowBounds = new Rectangle(
0, e.RowBounds.Top, width, e.RowBounds.Height);
if (this.CurrentCellAddress.Y == e.RowIndex)
{
//设置选中边框
e.DrawFocus(rowBounds, true);
}
}
private void dataGridView1_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
{
if (e.RowIndex == this.messageBS.Position)
{
e.DrawFocus(e.RowBounds, true);
}
else
{
// Draw background
Pen p;
using (p = new Pen(Color.LightGray))
{
e.Graphics.DrawRectangle(p, e.RowBounds);
}
}
}
//</Snippet20>
//<Snippet30>
// Paints the content that spans multiple columns and the focus rectangle.
void dataGridView1_RowPostPaint(object sender,
DataGridViewRowPostPaintEventArgs e)
{
// Calculate the bounds of the row.
Rectangle rowBounds = new Rectangle(
this.dataGridView1.RowHeadersWidth, e.RowBounds.Top,
this.dataGridView1.Columns.GetColumnsWidth(
DataGridViewElementStates.Visible) -
this.dataGridView1.HorizontalScrollingOffset + 1,
e.RowBounds.Height);
SolidBrush forebrush = null;
try
{
//<Snippet34>
// Determine the foreground color.
if ((e.State & DataGridViewElementStates.Selected) ==
DataGridViewElementStates.Selected)
{
forebrush = new SolidBrush(e.InheritedRowStyle.SelectionForeColor);
}
else
{
forebrush = new SolidBrush(e.InheritedRowStyle.ForeColor);
}
//</Snippet34>
//<Snippet35>
// Get the content that spans multiple columns.
object recipe =
this.dataGridView1.Rows.SharedRow(e.RowIndex).Cells[2].Value;
if (recipe != null)
{
String text = recipe.ToString();
// Calculate the bounds for the content that spans multiple
// columns, adjusting for the horizontal scrolling position
// and the current row height, and displaying only whole
// lines of text.
Rectangle textArea = rowBounds;
textArea.X -= this.dataGridView1.HorizontalScrollingOffset;
textArea.Width += this.dataGridView1.HorizontalScrollingOffset;
textArea.Y += rowBounds.Height - e.InheritedRowStyle.Padding.Bottom;
textArea.Height -= rowBounds.Height -
e.InheritedRowStyle.Padding.Bottom;
textArea.Height = (textArea.Height / e.InheritedRowStyle.Font.Height) *
e.InheritedRowStyle.Font.Height;
// Calculate the portion of the text area that needs painting.
RectangleF clip = textArea;
clip.Width -= this.dataGridView1.RowHeadersWidth + 1 - clip.X;
clip.X = this.dataGridView1.RowHeadersWidth + 1;
RectangleF oldClip = e.Graphics.ClipBounds;
e.Graphics.SetClip(clip);
// Draw the content that spans multiple columns.
e.Graphics.DrawString(
text, e.InheritedRowStyle.Font, forebrush, textArea);
e.Graphics.SetClip(oldClip);
}
//</Snippet35>
}
finally
{
forebrush.Dispose();
}
if (this.dataGridView1.CurrentCellAddress.Y == e.RowIndex)
{
// Paint the focus rectangle.
e.DrawFocus(rowBounds, true);
}
}
// Paints the content that spans multiple columns and the focus rectangle.
void dataGridView1_RowPostPaint(object sender,
DataGridViewRowPostPaintEventArgs e)
{
// Calculate the bounds of the row.
Rectangle rowBounds = new Rectangle(
this.dataGridView1.RowHeadersWidth, e.RowBounds.Top,
this.dataGridView1.Columns.GetColumnsWidth(
DataGridViewElementStates.Visible) -
this.dataGridView1.HorizontalScrollingOffset + 1,
e.RowBounds.Height);
SolidBrush forebrush = null;
try
{
// Determine the foreground color.
if ((e.State & DataGridViewElementStates.Selected) ==
DataGridViewElementStates.Selected)
{
forebrush = new SolidBrush(e.InheritedRowStyle.SelectionForeColor);
}
else
{
forebrush = new SolidBrush(e.InheritedRowStyle.ForeColor);
}
// Get the content that spans multiple columns.
object recipe =
this.dataGridView1.Rows.SharedRow(e.RowIndex).Cells[2].Value;
if (recipe != null)
{
String text = recipe.ToString();
// Calculate the bounds for the content that spans multiple
// columns, adjusting for the horizontal scrolling position
// and the current row height, and displaying only whole
// lines of text.
Rectangle textArea = rowBounds;
textArea.X -= this.dataGridView1.HorizontalScrollingOffset;
textArea.Width += this.dataGridView1.HorizontalScrollingOffset;
textArea.Y += rowBounds.Height - e.InheritedRowStyle.Padding.Bottom;
textArea.Height -= rowBounds.Height -
e.InheritedRowStyle.Padding.Bottom;
textArea.Height = (textArea.Height / e.InheritedRowStyle.Font.Height) *
e.InheritedRowStyle.Font.Height;
// Calculate the portion of the text area that needs painting.
RectangleF clip = textArea;
clip.Width -= this.dataGridView1.RowHeadersWidth + 1 - clip.X;
clip.X = this.dataGridView1.RowHeadersWidth + 1;
RectangleF oldClip = e.Graphics.ClipBounds;
e.Graphics.SetClip(clip);
// Draw the content that spans multiple columns.
e.Graphics.DrawString(
text, e.InheritedRowStyle.Font, forebrush, textArea);
e.Graphics.SetClip(oldClip);
}
}
finally
{
forebrush.Dispose();
}
if (this.dataGridView1.CurrentCellAddress.Y == e.RowIndex)
{
// Paint the focus rectangle.
e.DrawFocus(rowBounds, true);
}
}