override public string ToString()
{
System.Text.StringBuilder buf = new System.Text.StringBuilder();
if (mCastType != null)
{
buf.Append('(').Append(mCastType.typeName()).Append(')');
}
if (mProperty != 0)
{
buf.Append(RTSUtil.propertyName(mProperty));
}
buf.Append(mSrc);
if (mArg != null)
{
buf.Append(mArg.ToString());
}
return(buf.ToString());
}