public int CompareTo(object obj)
{
if (obj != null && obj is GraphicLabel)
{
GraphicLabel gl = obj as GraphicLabel;
return(_Text.CompareTo(gl.Text));
} //if(obj != null && obj is GraphicLabel)
return(1);
} //public int CompareTo(object obj)
protected override void Paint(Graphics graphics,
Rectangle clipBounds, Rectangle cellBounds, int rowIndex,
DataGridViewElementStates elementState, object value,
object formattedValue, string errorText,
DataGridViewCellStyle cellStyle,
DataGridViewAdvancedBorderStyle advancedBorderStyle,
DataGridViewPaintParts paintParts)
{
base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, value, "", errorText, cellStyle, advancedBorderStyle, paintParts);
ToolTipText = "";
if (value != null)
{
GraphicLabel gl = (GraphicLabel)value;
if (gl != null)
{
int imgWidth = cellBounds.Height - cellStyle.Padding.Vertical;
Rectangle imgrect = new Rectangle(
cellBounds.X + cellStyle.Padding.Left,
cellBounds.Y + cellStyle.Padding.Top,
imgWidth,
imgWidth);
Rectangle rect = new Rectangle(
imgrect.Right + cellStyle.Padding.Horizontal,
cellBounds.Y + cellStyle.Padding.Top,
cellBounds.Width - (imgWidth + cellStyle.Padding.Horizontal),
cellBounds.Height - cellStyle.Padding.Vertical);
if (gl.Image != null)
{
double factor = Convert.ToDouble(gl.Image.Height) / Convert.ToDouble(gl.Image.Width);
if (factor < 1.0)
{
int orgHeight = imgrect.Height;
imgrect.Height = Convert.ToInt32(factor * Convert.ToDouble(imgrect.Height));
orgHeight -= imgrect.Height;
orgHeight /= 2;
imgrect.Y += orgHeight;
} //if (factor < 1.0)
if (factor > 1.0)
{
int orgWidth = imgrect.Width;
imgrect.Width = Convert.ToInt32(Convert.ToDouble(imgrect.Width) / factor);
orgWidth -= imgrect.Width;
orgWidth /= 2;
imgrect.X += orgWidth;
} //if (factor > 1.0)
graphics.DrawImage(gl.Image, imgrect);
} //if (gl.Image != null)
if (gl.Text != "")
{
Brush b = null;
if ((elementState & DataGridViewElementStates.Selected) == DataGridViewElementStates.Selected)
{
b = new SolidBrush(cellStyle.SelectionForeColor);
}
else
{
b = new SolidBrush(cellStyle.ForeColor);
};
StringFormat fmt = new StringFormat();
fmt.Alignment = StringAlignment.Near;
fmt.LineAlignment = StringAlignment.Center;
graphics.DrawString(gl.Text, cellStyle.Font, b, rect, fmt);
ToolTipText = gl.Text;
} //if (gl.Text != "")
} //if (gl != null)
} //if (value != null)
} //protected override void Paint( ...
