public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
{
if (destType == typeof(string) && value is ImageTable)
{
// Cast the value to an Employee type
ImageTable emp = (ImageTable)value;
// Return department and department role separated by comma.
return(emp.ToString());
}
return(base.ConvertTo(context, culture, value, destType));
}
/// <summary>
/// Removes an employee object from the collection
/// </summary>
/// <param name="emp"></param>
public void Remove(ImageTable emp)
{
this.List.Remove(emp);
}
/// <summary>
/// Adds an employee object to the collection
/// </summary>
/// <param name="emp"></param>
public void Add(ImageTable emp)
{
this.List.Add(emp);
}
/// <summary>
/// Removes an employee object from the collection
/// </summary>
/// <param name="emp"></param>
public void Remove(ImageTable emp)
{
this.List.Remove(emp);
}
/// <summary>
/// Adds an employee object to the collection
/// </summary>
/// <param name="emp"></param>
public void Add(ImageTable emp)
{
this.List.Add(emp);
}
private void Paint(object sender, PaintEventArgs e)
{
if (Enable)
{
ImageTable currImageTable = null;
foreach (ImageTable imageTable in _imageTableCollection)
{
if (getResult(imageTable.Expression, _parent.FindForm() as IFrmTagGroup).ToString().Equals("True"))
{
currImageTable = imageTable;
break;
}
}
ColorTable currCorTable = null;
foreach (ColorTable colorTable in _colorTableCollection)
{
if (getResult(colorTable.Expression, _parent.FindForm() as IFrmTagGroup).ToString().Equals("True"))
{
currCorTable = colorTable;
break;
}
}
Bitmap image = null;
if (currImageTable != null)
{
image = new Bitmap(currImageTable.Image);
}
else
{
if (_parent.BackgroundImage != null)
{
image = new Bitmap(_parent.BackgroundImage);
}
}
if (TransparentColor != null && TransparentColor != Color.Empty && image != null)
{
image.MakeTransparent(TransparentColor);
}
ColorMap[] colorMap = null;
ImageAttributes attr = null;
if (currCorTable != null)
{
colorMap = new ColorMap[1];
colorMap[0] = new ColorMap();
colorMap[0].OldColor = _oldColor;
colorMap[0].NewColor = currCorTable.NewColor;
// Set the image attribute's color mappings
attr = new ImageAttributes();
attr.SetRemapTable(colorMap);
}
e.Graphics.InterpolationMode = InterpolationMode.Low;
e.Graphics.SmoothingMode = SmoothingMode.HighSpeed;
e.Graphics.CompositingMode = CompositingMode.SourceOver;
e.Graphics.CompositingQuality = CompositingQuality.HighSpeed;
if (image != null)
{
if (attr != null)
{
e.Graphics.DrawImage(image, _parent.ClientRectangle, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attr);
}
else
{
e.Graphics.DrawImage(image, _parent.ClientRectangle);
}
}
}
}
