/// <summary>
/// Occurs when this command is clicked
/// </summary>
public override void OnClick()
{
IGraphicsContainer graphicsContainer = m_PageLayOutControl.GraphicsContainer;
//Get the MapFrame
IMapFrame mapFrame = (IMapFrame)graphicsContainer.FindFrame(m_PageLayOutControl.ActiveView.FocusMap);
if (mapFrame == null)
{
return;
}
//Create a legend
UID uID = new UIDClass();
uID.Value = "esriCarto.Legend";
//Create a MapSurroundFrame from the MapFrame
IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);
if (mapSurroundFrame == null)
{
return;
}
if (mapSurroundFrame.MapSurround == null)
{
return;
}
//Set the name
mapSurroundFrame.MapSurround.Name = "图例";
//Envelope for the legend
IEnvelope envelope = new EnvelopeClass();
envelope.PutCoords(1, 1, 3.4, 2.4);
//Set the geometry of the MapSurroundFrame
IElement element = (IElement)mapSurroundFrame;
element.Geometry = envelope;
//Add the legend to the PageLayout
m_PageLayOutControl.AddElement(element, Type.Missing, Type.Missing, "图例", 0);
//Refresh the PageLayoutControl
m_PageLayOutControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void btnOk_Click(object sender, EventArgs e)
{
m_legend.Name = this.textBoxElement.Text.Trim();
m_legend.Title = this.textBox1.Text; //图例的标题
ILayer player;
ILegendItem pLegendItem = null;
#region //设置图例显示的项
if (this.listBox2.Items.Count != 0)
{
m_legend.ClearItems();
foreach (object item in this.listBox2.Items) //设置需要的图例项 根据用户需要添加
{
for (int j = 0; j < m_pageLayoutControl.ActiveView.FocusMap.LayerCount; j++)
{
player = m_pageLayoutControl.ActiveView.FocusMap.get_Layer(j);
if (player.Name == item.ToString())
{
IFeatureLayer pFLayer = player as IFeatureLayer;
IFeatureClass pFeatureClass = pFLayer.FeatureClass;
if (pFeatureClass.FeatureType == esriFeatureType.esriFTAnnotation)
{
continue;
}
else
{
pLegendItem = new HorizontalLegendItemClass(); //图例项标签的样式
pLegendItem.Layer = player;
pLegendItem.Columns = 1;
pLegendItem.ShowDescriptions = false;
pLegendItem.ShowHeading = false;
pLegendItem.ShowLabels = true;
switch (comboBox1.SelectedItem.ToString().Trim())
{
case "所有文本符号":
pLegendItem.LayerNameSymbol = pTextSymbol; //设置字体样式
pLegendItem.HeadingSymbol = pTextSymbol;
pLegendItem.LegendClassFormat.LabelSymbol = pTextSymbol;
break;
case "所有图层名称":
pLegendItem.LayerNameSymbol = pTextSymbol;
break;
case "所有标题项":
pLegendItem.HeadingSymbol = pTextSymbol;
break;
case "所有标注项":
pLegendItem.LegendClassFormat.LabelSymbol = pTextSymbol;
break;
case "所有描述性文字":
break;
}
}
m_legend.AddItem(pLegendItem);
}
}
}
}
#endregion
plegendFormat.DefaultPatchHeight = Convert.ToDouble(this.textBoxHeight.Text); //块的高度
plegendFormat.DefaultPatchWidth = Convert.ToDouble(this.textBoxWidth.Text); //块的宽度
#region //设置图例的底色边框
IMapSurround pmapsurronud = m_legend as IMapSurround;
mapSurroundFrame.MapSurround = pmapsurronud;
m_FrameProperties = (IFrameProperties)mapSurroundFrame;
// m_SymbolBackground.FillSymbol.Color = ConvertColorToIColor(this.btnBackGroundColor.BackColor);
m_FrameProperties.Background = (IBackground )m_SymbolBackground;
// m_SymbolBorder.LineSymbol.Color = ConvertColorToIColor(this.btnBolderColor.BackColor);
m_FrameProperties.Border = (IBorder)m_SymbolBorder;
// m_SymbolShadow.FillSymbol.Color = ConvertColorToIColor(this.btnShadowColor.BackColor);
m_FrameProperties.Shadow = (IShadow)m_SymbolShadow;
#endregion
IEnvelope pEnvelop = new EnvelopeClass(); //图例的位置
pEnvelop.PutCoords(Convert.ToDouble(this.textBoxX.Text), Convert.ToDouble(this.textBoxY.Text),
Convert.ToDouble(this.textBoxX.Text) + Convert.ToDouble(this.textBoxWidth1.Text),
Convert.ToDouble(this.textBoxY.Text) + Convert.ToDouble(this.textBoxHeight1.Text));
IElement m_element = mapSurroundFrame as IElement;
m_element.Geometry = pEnvelop;
m_pageLayoutControl.AddElement(m_element, Type.Missing, Type.Missing, m_legend.Name, 0);
m_pageLayoutControl.ActiveView.Refresh();
this.Close();
}