private static void DataGridView_OnCellPainting(object sender, System.Windows.Forms.DataGridViewCellPaintingEventArgs e)
{
if (e.RowIndex == -1)
{
e.PaintBackground(e.CellBounds, true);
//e.Graphics.FillRectangle(Brushes.Red, e.CellBounds);
e.PaintContent(e.CellBounds);
//(((System.Windows.Forms.Control)(sender)).TopLevelControl).GetType().Name
e.Graphics.DrawLine(StyleSettings.Pen_CabecalhoGrid_Div1
, e.CellBounds.X + e.CellBounds.Width - 2
, 3
, e.CellBounds.X + e.CellBounds.Width - 2
, e.CellBounds.Height - 2
);
System.Windows.Forms.DataGridView grid = (System.Windows.Forms.DataGridView)sender;
if (grid.Columns[e.ColumnIndex].Tag != null)
{
System.Drawing.Bitmap imagem = new System.Drawing.Bitmap(Properties.Resources.Ico_Filtrar_8x8);
e.Graphics.DrawImage(imagem, new System.Drawing.Rectangle(e.CellBounds.X + e.CellBounds.Width - imagem.Width - StyleSettings.DeslocaImagem_Botao, e.CellBounds.Y + StyleSettings.DeslocaImagem_Botao, imagem.Width, imagem.Height));
((FilterSettings.Filtro)grid.Columns[e.ColumnIndex].Tag).Nome = grid.Columns[e.ColumnIndex].HeaderText;
((FilterSettings.Filtro)grid.Columns[e.ColumnIndex].Tag).PosicaoCabecalhoGrid = e.CellBounds;
}
e.Handled = true;
}
}
private void PaintColumnHeader(System.Windows.Forms.DataGridViewCellPaintingEventArgs e, System.Drawing.Color color)
{
LinearGradientBrush backBrush = new LinearGradientBrush(new System.Drawing.Point(0, 0), new System.Drawing.Point(100, 100), color, color);
e.Graphics.FillRectangle(backBrush, e.CellBounds);
DataGridViewPaintParts parts = (DataGridViewPaintParts.All & ~DataGridViewPaintParts.Background);
e.AdvancedBorderStyle.Right = DataGridViewAdvancedCellBorderStyle.None;
e.AdvancedBorderStyle.Left = DataGridViewAdvancedCellBorderStyle.None;
e.Paint(e.ClipBounds, parts);
e.Handled = true;
}
protected override void OnCellPainting(System.Windows.Forms.DataGridViewCellPaintingEventArgs e)
{
if (e.Value == System.DBNull.Value && this.DefaultCellStyle.NullValue != null)
{
System.Windows.Forms.DataGridViewCellStyle style = e.CellStyle;
using (Font fontItl = new Font(this.Font.FontFamily, this.Font.Size - 0.1f, FontStyle.Italic, this.Font.Unit))
{
style.Font = fontItl;
style.ForeColor = System.Drawing.Color.Gray;
e.CellStyle.ApplyStyle(style);
}
}
base.OnCellPainting(e);
}
protected override void OnCellPainting(System.Windows.Forms.DataGridViewCellPaintingEventArgs e)
{
if (bDragging && hti != null && hti.RowIndex != -1 &&
e.RowIndex == hti.RowIndex)
{
//
// draw the indicator
//
Pen p = new Pen(Color.FromArgb(0, 0, 215));
p.Width = 4;
e.Graphics.DrawLine(p, e.CellBounds.Left, e.CellBounds.Top, e.CellBounds.Right, e.CellBounds.Top);
}
base.OnCellPainting(e);
}
protected override void OnCellPainting(System.Windows.Forms.DataGridViewCellPaintingEventArgs e)
{
Color mLinearColor1 = Color.FromArgb(247, 251, 254);
Color mLinearColor2 = Color.FromArgb(213, 231, 255);
Color mGridColor = Color.FromArgb(120, 147, 191); //网格线的颜色
Color mHasFocusedColor = Color.DarkCyan; //控件的焦点框颜色
Rectangle Rect = new Rectangle(e.CellBounds.X - 1, e.CellBounds.Y, e.CellBounds.Width, e.CellBounds.Height - 1);
LinearGradientBrush LinearGradientBrushs = new LinearGradientBrush(Rect, mLinearColor1, mLinearColor2, LinearGradientMode.Vertical);
try
{
if (e.RowIndex == -1 || e.ColumnIndex == -1)
{
e.Graphics.FillRectangle(LinearGradientBrushs, Rect);
e.Graphics.DrawRectangle(new Pen(mGridColor), Rect);
e.PaintContent(e.CellBounds);
e.Handled = true;
}
}
catch
{ }
finally
{
if (LinearGradientBrushs != null)
{
LinearGradientBrushs.Dispose();
}
}
/*不显示焦点颜色*/
//this.DefaultCellStyle.SelectionBackColor = Color.Transparent ;
//this.DefaultCellStyle.SelectionForeColor = Color.Black ;
base.OnCellPainting(e);
}
protected override void OnCellPainting(System.Windows.Forms.DataGridViewCellPaintingEventArgs e)
{
if (e.ColumnIndex >= 0 && e.RowIndex == -1)
{
string text = this.Columns[e.ColumnIndex].HeaderText;
//Getting the width and height of the text, which we are going to write
double columnTextWidth = e.Graphics.MeasureString(text, e.CellStyle.Font).Width;
double columnTextHeight = e.Graphics.MeasureString(text, e.CellStyle.Font).Height;
// Erase the cell.
using (System.Drawing.Brush backColorBrush = new System.Drawing.SolidBrush(e.CellStyle.BackColor))
{
e.Graphics.FillRectangle(backColorBrush, e.CellBounds);
}
// only need 1 bottom line...
e.Graphics.DrawLine(System.Drawing.Pens.DarkGray, e.CellBounds.Left, e.CellBounds.Bottom - 1, e.CellBounds.Right, e.CellBounds.Bottom - 1);
// two top lines...
e.Graphics.DrawLine(System.Drawing.Pens.DarkGray, e.CellBounds.Left, e.CellBounds.Top, e.CellBounds.Right, e.CellBounds.Top);
e.Graphics.DrawLine(System.Drawing.Pens.White, e.CellBounds.Left, e.CellBounds.Top + 1, e.CellBounds.Right, e.CellBounds.Top + 1);
// right line...
e.Graphics.DrawLine(System.Drawing.Pens.DarkGray, e.CellBounds.Right - 1, e.CellBounds.Top, e.CellBounds.Right - 1, e.CellBounds.Bottom);
// left line...
e.Graphics.DrawLine(System.Drawing.Pens.White, e.CellBounds.Left, e.CellBounds.Top, e.CellBounds.Left, e.CellBounds.Bottom);
//For rotation
double angle = (_rotationAngle / 180) * System.Math.PI;
double hSin = columnTextHeight * System.Math.Sin(angle);
double wCos = columnTextWidth * System.Math.Cos(angle);
double hCos = columnTextHeight * System.Math.Cos(angle);
double wSin = columnTextWidth * System.Math.Sin(angle);
double rotatedWidth = hSin - wCos;
double rotatedHeight = hCos - wSin;
double dx = (e.CellBounds.Width + hSin - wCos) / 2;
double dy = (e.CellBounds.Height - hCos - wSin) / 2;
this.Columns[e.ColumnIndex].Width = ( int )System.Math.Abs(rotatedWidth) + 10;
int newColHeight = ( int )System.Math.Abs(rotatedHeight) + 10;
if (this.ColumnHeadersHeight < newColHeight)
{
this.ColumnHeadersHeight = newColHeight;
}
System.Drawing.Drawing2D.Matrix mx = new System.Drawing.Drawing2D.Matrix();
mx.Rotate(( float )_rotationAngle, System.Drawing.Drawing2D.MatrixOrder.Append);
float heightOffset = e.CellBounds.Y + 10;
mx.Translate(( float )(dx + e.CellBounds.X), heightOffset, System.Drawing.Drawing2D.MatrixOrder.Append);
e.Graphics.Transform = mx;
e.Graphics.DrawString(text, e.CellStyle.Font, System.Drawing.Brushes.Black, 0, 0, System.Drawing.StringFormat.GenericTypographic);
e.Graphics.ResetTransform();
e.Handled = true;
}
else
{
base.OnCellPainting(e);
}
}
public static bool GradientHeaders(StringAlignment stringAlignment,
System.Windows.Forms.DataGridViewCellPaintingEventArgs e)
{
SolidBrush gridBrush;
Pen gridLinePen;
StringFormat sf = new StringFormat();
SolidBrush fillBrush;
Color c1;
Color c2;
c1 = Color.Black;
//c2 = Color.FromArgb(43, 44, 1);
c2 = Color.DimGray;
fillBrush = new SolidBrush(Color.LightGray);
gridBrush = new SolidBrush(Color.Black);
gridLinePen = new Pen(gridBrush);
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Center;
LinearGradientBrush myLinearGradientBrush = new LinearGradientBrush(e.CellBounds,
c1,
c2,
LinearGradientMode.Vertical);
e.Graphics.FillRectangle(myLinearGradientBrush, e.CellBounds);
e.Graphics.DrawLine(gridLinePen, e.CellBounds.Right - 1,
e.CellBounds.Top, e.CellBounds.Right - 1,
e.CellBounds.Bottom);
if (e.CellBounds.Left == 0)
{
e.Graphics.DrawLine(gridLinePen,
e.CellBounds.Left,
e.CellBounds.Top,
e.CellBounds.Left,
e.CellBounds.Bottom);
}
e.Graphics.DrawLine(gridLinePen,
e.CellBounds.Left,
e.CellBounds.Bottom - 1,
e.CellBounds.Right - 1,
e.CellBounds.Bottom - 1);
e.Graphics.DrawLine(gridLinePen,
e.CellBounds.Left,
e.CellBounds.Top,
e.CellBounds.Right - 1,
e.CellBounds.Top);
//Draw the text content of the cell, ignoring alignment.
if (e.Value != null)
{
e.Graphics.DrawString(e.Value.ToString(),
e.CellStyle.Font,
fillBrush,
e.CellBounds,
sf);
}
e.Handled = true;
fillBrush.Dispose();
gridLinePen.Dispose();
gridBrush.Dispose();
myLinearGradientBrush.Dispose();
return(true);
}
