public IElement CreateElement(IActiveView pAV, IPoint pt)
{
IElement element;
double num = 0;
int count = this.m_symbolLists.Count / this.m_colum;
if (count * this.m_colum < this.m_symbolLists.Count)
{
count++;
}
int num1 = 0;
double num2 = 0;
double height = 0;
double y = pt.Y + 0.1;
IGroupElement groupElementClass = new GroupElement() as IGroupElement;
IEnvelope envelopeClass = new Envelope() as IEnvelope;
envelopeClass.PutCoords(pt.X + 0.1, pt.Y + 0.1, pt.X + 0.1, pt.Y + 0.1);
IRgbColor rgbColorClass = new RgbColor()
{
Red = 255,
Blue = 255,
Green = 255
};
IElement element1 = this.CreatePolygonElement(envelopeClass, rgbColorClass);
groupElementClass.AddElement(element1);
pt.X = pt.X + 0.1;
pt.Y = pt.Y + 0.1;
IElement element2 = null;
if (this.m_Title.Length > 0)
{
element2 = this.CreateTitleElement(pt);
IEnvelope envelope = new Envelope() as IEnvelope;
element2.QueryBounds(pAV.ScreenDisplay, envelope);
height = envelope.Height;
groupElementClass.AddElement(element2);
}
double x = pt.X;
double mItemheight = pt.Y - height - this.m_rowspace;
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point();
IEnvelope envelopeClass1 = new Envelope() as IEnvelope;
List <double> nums = new List <double>();
List <double> nums1 = new List <double>();
if (height > 0)
{
nums.Add(mItemheight + this.m_rowspace / 2);
}
bool flag = false;
for (int i = 0; i < this.m_symbolLists.Count; i++)
{
ISymbol item = this.m_symbolLists[i];
pointClass.PutCoords(x, mItemheight);
element = this.CreateElement(pointClass, this.m_symbolLists[i], this.m_backsymbolLists[i] as IFillSymbol,
this.m_symbolDescriptions[i]);
element.QueryBounds(pAV.ScreenDisplay, envelopeClass1);
if (!(element is IGroupElement))
{
groupElementClass.AddElement(element);
}
else
{
int elementCount = (element as IGroupElement).ElementCount;
for (int j = 0; j < (element as IGroupElement).ElementCount; j++)
{
groupElementClass.AddElement((element as IGroupElement).Element[j]);
}
}
num2 = (num2 > envelopeClass1.Width ? num2 : envelopeClass1.Width);
mItemheight = mItemheight - this.m_itemheight - this.m_rowspace;
num1++;
if (num1 == count)
{
mItemheight = pt.Y - height - this.m_rowspace;
nums1.Add(x + this.m_itemwidth + this.m_space / 2);
x = x + (num2 + this.m_colspace);
nums1.Add(x - this.m_colspace / 2);
num1 = 0;
num2 = 0;
flag = true;
}
else if (!flag)
{
nums.Add(mItemheight + this.m_rowspace / 2);
}
}
if (num1 != count)
{
mItemheight = pt.Y - height - this.m_rowspace;
nums1.Add(x + this.m_itemwidth + this.m_space / 2);
x = x + (num2 + this.m_colspace);
nums1.Add(x - this.m_colspace / 2);
}
IEnvelope envelope1 = new Envelope() as IEnvelope;
(groupElementClass as IElement).QueryBounds(pAV.ScreenDisplay, envelope1);
(groupElementClass as IElement).Activate(pAV.ScreenDisplay);
envelope1.Expand(0.05, 0.05, false);
try
{
if (!this.m_HasBorder)
{
groupElementClass.DeleteElement(element1);
}
else
{
IRgbColor rgbColorClass1 = new RgbColor()
{
Red = 255,
Blue = 255,
Green = 255
};
(groupElementClass as IGroupElement3).ReplaceElement(element1,
this.CreatePolygonElement(envelope1, rgbColorClass1));
}
(groupElementClass as IElement).QueryBounds(pAV.ScreenDisplay, envelope1);
if (this.m_isdrawline)
{
foreach (double num3 in nums)
{
element = this.CreateLineElement(envelope1.XMin, num3, envelope1.XMax, num3);
groupElementClass.AddElement(element);
}
double yMax = envelope1.YMax;
if (nums.Count > 0)
{
if (height > 0)
{
yMax = nums[0];
}
}
if (nums1.Count > 0)
{
nums1.RemoveAt(nums1.Count - 1);
}
foreach (double num3 in nums1)
{
element = this.CreateLineElement(num3, envelope1.YMin, num3, yMax);
groupElementClass.AddElement(element);
}
(groupElementClass as IElement).QueryBounds(pAV.ScreenDisplay, envelope1);
}
this.m_pEnvelop = envelope1;
}
catch (Exception exception)
{
}
if (element2 != null)
{
IPoint point = new ESRI.ArcGIS.Geometry.Point();
point.PutCoords((envelope1.XMin + envelope1.XMax) / 2, y);
element2.Geometry = point;
(element2 as ITextElement).Symbol = this.FontStyle(20, esriTextHorizontalAlignment.esriTHACenter,
esriTextVerticalAlignment.esriTVATop);
}
(groupElementClass as IElementProperties).Name = "图例";
(groupElementClass as IElement).Geometry = envelope1;
return(groupElementClass as IElement);
}
