/// <summary>
/// 返回表示对象的字符串
/// </summary>
/// <returns>字符串</returns>
public override string ToString()
{
if (intStyle == XBrushStyleConst.Disabled)
{
return("Disabled");
}
if (myImage != null && myImage.Value != null)
{
string str = "";
if (bolRepeat)
{
str = " Repeat ";
}
str = str + myImage.ToString();
return(str);
}
else if (intStyle == XBrushStyleConst.Solid)
{
return(ColorTranslator.ToHtml(intColor));
}
else
{
return(intStyle.ToString()
+ " " + System.Drawing.ColorTranslator.ToHtml(intColor)
+ "->" + System.Drawing.ColorTranslator.ToHtml(intColor2));
}
}
/// <summary>
/// 将图片转换为指定类型的数据
/// </summary>
/// <param name="context">上下文</param>
/// <param name="culture">区域信息</param>
/// <param name="Value">图片数据</param>
/// <param name="destinationType">指定的类型</param>
/// <returns>转换结果</returns>
public override object ConvertTo(
ITypeDescriptorContext context,
System.Globalization.CultureInfo culture,
object Value,
Type destinationType)
{
if (destinationType == null)
{
throw new ArgumentNullException("destinationType");
}
XImageValue img = ( XImageValue )Value;
if (img == null)
{
return("[NULL]");
}
if (destinationType == typeof(string))
{
return(img.ToString());
}
if (destinationType == typeof(byte[]))
{
return(img.ImageData);
}
if (destinationType == typeof(InstanceDescriptor))
{
byte[] bs = img.ImageData;
if (bs == null || bs.Length == 0)
{
return(new InstanceDescriptor(typeof(XImageValue).GetConstructor(
new Type[] {}),
new object[] {}));
}
else
{
System.Reflection.MemberInfo constructor = typeof(XImageValue).GetConstructor(new Type[] { typeof(byte[]) });
return(new InstanceDescriptor(constructor, new object[] { img.ImageData }));
}
}
return(base.ConvertTo(context, culture, Value, destinationType));
}