private bool InitResourceGridRows(EmbeddedResource er)
{
ResourceReader rr;
try
{
rr = new ResourceReader(er.GetResourceStream());
}
catch
{
rr = null;
}
if (rr == null)
return false;
DataRow dr;
IDictionaryEnumerator de = rr.GetEnumerator();
int count = 0;
while (de.MoveNext())
{
dr = _dtResource.NewRow();
string name = de.Key as string;
dr["no"] = count.ToString();
count++;
dr["name"] = name;
object value = de.Value;
dr["type"] = value == null ? null : value.GetType().FullName;
try
{
DataGridViewTextAndImageCellValue cv = new DataGridViewTextAndImageCellValue(name, value);
cv.Image = ConvertToImage(name, value);
dr["value"] = cv;
}
catch //(Exception ex)
{
dr["value"] = new DataGridViewTextAndImageCellValue(String.Empty, value);
//dr["value"] = new DataGridViewTextAndImageCellValue(String.Empty, String.Format("Error: {0}", ex.Message));
//dr["type"] = "System.String";
}
_dtResource.Rows.Add(dr);
}
rr.Close();
return true;
}
protected override void Paint(Graphics graphics, Rectangle clipBounds,
Rectangle cellBounds, int rowIndex, DataGridViewElementStates cellState,
object value, object formattedValue, string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts)
{
Image image = null;
DataGridViewTextAndImageCellValue cv = value as DataGridViewTextAndImageCellValue;
if (cv != null)
{
image = cv.Image;
}
if (image != null && image.Width > 0)
{
//this will trigger Clone event because of SharedRow
DataGridViewRow row = this.DataGridView.Rows[rowIndex];
//use Bitmap to draw out proper size
Bitmap bmp = new Bitmap(image);
int height;
int width;
if (bmp.Width > cellBounds.Width)
{
width = cellBounds.Width;
height = Convert.ToInt32(1.0 * image.Height * cellBounds.Width / image.Width);
}
else
{
width = bmp.Width;
height = bmp.Height;
}
if (row.Height < height)
{
row.Height = height;
}
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState,
null, "", errorText, cellStyle,
advancedBorderStyle, paintParts);
// Draw the image to the cell.
GraphicsContainer container = graphics.BeginContainer();
//graphics.SetClip(cellBounds);
//graphics.DrawImageUnscaled(image, cellBounds.Location);
Rectangle rect = new Rectangle(cellBounds.X, cellBounds.Y, width, height);
graphics.DrawImage(bmp, rect);
graphics.EndContainer(container);
}
else
{
// Paint the base content
base.Paint(graphics, clipBounds, cellBounds, rowIndex, cellState,
value, formattedValue, errorText, cellStyle,
advancedBorderStyle, paintParts);
}
}
