private void OnPaintCellState(DataGridViewProgressCellPaintStateEventArgs arg)
{
if (arg == null)
{
throw new ArgumentNullException("arg");
}
PaintState?.Invoke(this, arg);
}
private void OnPaintCellState(DataGridViewProgressCellPaintStateEventArgs arg)
{
if (arg == null)
{
throw new ArgumentNullException("arg");
}
if (this.OwningColumn is DataGridViewProgressColumn column)
{
column.FilePaintCellState(arg);
}
}
private void DrawCellShadow(Rectangle rcProgress,
DataGridViewCellStyle cellStyle,
DataGridViewProgressCellPaintStateEventArgs arg,
PointF ptText, Bitmap bmp, bool progressed)
{
using (Graphics g = Graphics.FromImage(bmp))
{
SolidBrush brFore = new SolidBrush(progressed ? arg.ForeColorProgress : arg.ForeColorDefault);
SolidBrush brBack = new SolidBrush(progressed ? arg.BackColorProgress : arg.BackColorDefault);
g.FillRectangle(brBack, 0, 0, rcProgress.Width, rcProgress.Height);
g.DrawString(arg.Text, cellStyle.Font, brFore, ptText.X, ptText.Y);
brFore.Dispose();
brBack.Dispose();
}
}
protected override void Paint(System.Drawing.Graphics g,
System.Drawing.Rectangle clipBounds,
System.Drawing.Rectangle cellBounds,
int rowIndex,
DataGridViewElementStates cellState,
object value, object formattedValue,
string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts)
{
DataGridViewProgressCellPaintStateEventArgs arg =
formattedValue as DataGridViewProgressCellPaintStateEventArgs;
bool selected = ((cellState & DataGridViewElementStates.Selected) == DataGridViewElementStates.Selected);
arg.CellState = cellState;
if (selected)
{
if (arg.Value >= 0 && arg.Value <= 100)
{
arg.ForeColorProgress = cellStyle.SelectionForeColor;
arg.BackColorProgress = ProgressBarColorSelection;
}
else if (arg.BackColorProgress == ProgressBarColorDefault)
{
arg.ForeColorProgress = cellStyle.SelectionForeColor;
arg.BackColorProgress = ProgressBarColorSelection;
}
}
OnPaintCellState(arg);
Rectangle rcProgress = new Rectangle(
cellBounds.X + 2,
cellBounds.Y + 2,
Convert.ToInt32((1.0f * cellBounds.Width * 0.95)),
cellBounds.Height - 5);
//evaluating text position according to alignment
PointF ptText = DrawTextPlace(arg.Text, cellStyle, cellStyle.Alignment, cellBounds);
ptText.X -= rcProgress.X;
ptText.Y -= rcProgress.Y;
Bitmap bmpDefault = new Bitmap(rcProgress.Width, rcProgress.Height);
Bitmap bmpProgress = new Bitmap(rcProgress.Width, rcProgress.Height);
DrawCellShadow(rcProgress, cellStyle, arg, ptText, bmpDefault, false);
DrawCellShadow(rcProgress, cellStyle, arg, ptText, bmpProgress, true);
//Combine images
if (arg.Percent > 0)
{
float w = arg.Percent * rcProgress.Width;
using (Graphics gr = Graphics.FromImage(bmpDefault))
{
RectangleF rcf = new RectangleF(0, 0, w, rcProgress.Height);
gr.DrawImage(bmpProgress, rcf, rcf, GraphicsUnit.Pixel);
}
}
ptText.X += rcProgress.X;
ptText.Y += rcProgress.Y;
//Fill all area
SolidBrush brBack = new SolidBrush(
selected ? cellStyle.SelectionBackColor : cellStyle.BackColor
);
g.FillRectangle(brBack, cellBounds);
brBack.Dispose();
//Draw Grid
Pen gridColorPen = new Pen(this.DataGridView.GridColor, 0.5F);
int xw = cellBounds.X + cellBounds.Width;
int yh = cellBounds.Y + cellBounds.Height;
if (this.ColumnIndex != this.DataGridView.ColumnCount - 1)
{
xw--;
}
if (this.RowIndex != this.DataGridView.RowCount - 1)
{
yh--;
}
//g.DrawLine(gridColorPen, cellBounds.X, cellBounds.Y, xw, cellBounds.Y); //Top
if (this.ColumnIndex == 0)
{
g.DrawLine(gridColorPen, cellBounds.X, cellBounds.Y, cellBounds.X, yh); //Left
}
g.DrawLine(gridColorPen, xw, cellBounds.Y, xw, yh - 1); //Right
g.DrawLine(gridColorPen, cellBounds.X, yh - 1, xw, yh - 1); //Bottom
gridColorPen.Dispose();
g.DrawImage(bmpDefault, rcProgress.Location);
}
// Method required to make the Progress Cell consistent with the default Image Cell.
// The default Image Cell assumes an Image as a value, although the value of the Progress Cell is an int.
protected override object GetFormattedValue(object value,
int rowIndex, ref DataGridViewCellStyle cellStyle,
TypeConverter valueTypeConverter,
TypeConverter formattedValueTypeConverter,
DataGridViewDataErrorContexts context)
{
DataGridViewProgressCellPaintStateEventArgs arg =
new DataGridViewProgressCellPaintStateEventArgs(this, cellStyle)
{
ForeColorDefault = cellStyle.ForeColor,
BackColorDefault = cellStyle.BackColor
};
try
{
int progressVal = Convert.ToInt32(value);
if (progressVal < 0)
{
switch (progressVal)
{
case (int)DataGridViewProgressCellState.Finish:
arg.Value = progressVal;
arg.Percent = 1f;
arg.Text = "Finish";
arg.ForeColorProgress = cellStyle.ForeColor;
arg.BackColorProgress = ProgressBarColorFinish;
break;
case (int)DataGridViewProgressCellState.Error:
arg.Value = progressVal;
arg.Percent = 1f;
arg.Text = "Error";
arg.ForeColorProgress = cellStyle.ForeColor;
arg.BackColorProgress = ProgressBarColorError;
break;
case (int)DataGridViewProgressCellState.Process:
arg.Value = progressVal;
arg.Percent = 0.5f;
arg.Text = "Process";
arg.ForeColorProgress = cellStyle.ForeColor;
arg.BackColorProgress = ProgressBarColorProcess;
break;
case (int)DataGridViewProgressCellState.Queue:
arg.Value = progressVal;
arg.Percent = 1f;
arg.Text = "Queue";
arg.ForeColorProgress = cellStyle.ForeColor;
arg.BackColorProgress = ProgressBarColorQueue;
break;
default:
arg.Value = progressVal;
arg.Percent = 0f;
arg.Text = progressVal.ToString();
arg.ForeColorProgress = cellStyle.ForeColor;
arg.BackColorProgress = ProgressBarColorQueue;
break;
}
}
else if (progressVal > 100)
{
arg.Value = progressVal;
arg.Percent = 1f;
arg.Text = progressVal.ToString();
arg.ForeColorProgress = cellStyle.ForeColor;
arg.BackColorProgress = ProgressBarColorDefault;
}
else
{
arg.Value = progressVal;
arg.Percent = ((float)progressVal / 100.0f);
arg.Text = progressVal.ToString() + "%";
arg.ForeColorProgress = cellStyle.ForeColor;
arg.BackColorProgress = ProgressBarColorDefault;
}
}
catch
{
arg.Value = emptyValue;
arg.Percent = 0f;
if (value is DBNull)
{
arg.Text = emptyValue.ToString() + "%";
}
else
{
arg.Text = emptyValue.ToString();
}
arg.ForeColorProgress = cellStyle.ForeColor;
arg.BackColorProgress = ProgressBarColorDefault;
}
return(arg);
}
//Use for fire PaintState from DataGridViewProgressCell
internal void FilePaintCellState(DataGridViewProgressCellPaintStateEventArgs arg)
{
OnPaintCellState(arg);
}
