public int GetMapID()
{
int mapID = -1;
int count = 0;
LayoutSelection layoutSelection = mapLayoutControl1.MapLayout.Selection;
LayoutElements layoutElements = mapLayoutControl1.MapLayout.Elements;
layoutElements.Refresh();
for (int i = 0; i < layoutSelection.Count; i++)
{
int ID = layoutSelection[i];
layoutElements.SeekID(ID);
Geometry geometry = layoutElements.GetGeometry();
if (geometry.Type == GeometryType.GeoMap)
{
mapID = ID;
count++;
}
if (count > 1)
{
mapID = -1;
}
}
return(mapID);
}
/// <summary>
/// 对象添加事件
/// Maplayout tracked eventhandle
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void m_mapLayoutControl_ElementAdded(object sender, ElementEventArgs e)
{
try
{
LayoutElements elements = m_mapLayoutControl.MapLayout.Elements;
if (elements.SeekID(e.ID))
{
Geometry gemetry = elements.GetGeometry();
if (gemetry != null)
{
GeoNorthArrow northArrow = gemetry as GeoNorthArrow;
if (northArrow != null)
{
northArrow.BindingGeoMapID = m_mapID;
}
GeoMapScale mapScale = gemetry as GeoMapScale;
if (mapScale != null)
{
mapScale.BindingGeoMapID = m_mapID;
}
elements.SetGeometry(gemetry);
elements.Refresh();
m_mapLayoutControl.MapLayout.Refresh();
}
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
private void 图例ToolStripMenuItem_Click(object sender, EventArgs e)
{
LayoutElements layoutElements = mapLayoutControl1.MapLayout.Elements;
layoutElements.SeekID(GetMapID());
GeoMap geoMapUse = (GeoMap)layoutElements.GetGeometry();
string geoMapName = geoMapUse.MapName;
GeoLegend geoLegend = new GeoLegend(geoMapName, workspace1);
geoLegend.Height = 175;
geoLegend.Width = 350;
geoLegend.Center = new Point2D(1375, 1855);
GeoStyle geoLegendStyle = new GeoStyle();
geoLegendStyle.FillForeColor = Color.FromArgb(255, 235, 175);
geoLegendStyle.FillOpaqueRate = 30;
geoLegendStyle.LineWidth = 0.5;
geoLegendStyle.LineColor = Color.FromArgb(65, 65, 65);
geoLegend.BackGroundStyle = geoLegendStyle;
geoLegend.ColumnCount = 3;
//设置图例项和图例子项的说明文本的风格
TextStyle geoLegendtextStyle = new TextStyle();
geoLegendtextStyle.BackColor = Color.Yellow;
geoLegendtextStyle.ForeColor = Color.Blue;
geoLegendtextStyle.FontName = "宋体";
geoLegendtextStyle.FontHeight = 20.0;
geoLegendtextStyle.FontWidth = 12.0;
geoLegendtextStyle.IsSizeFixed = false;
geoLegend.ItemTextStyle = geoLegendtextStyle;
geoLegend.SubItemTextStyle = geoLegendtextStyle;
//设置图例标题风格
TextStyle titleTextStyle = new TextStyle();
titleTextStyle.BackColor = Color.Yellow;
titleTextStyle.ForeColor = Color.Blue;
titleTextStyle.FontName = "宋体";
titleTextStyle.FontHeight = 40.0;
titleTextStyle.FontWidth = 25.0;
titleTextStyle.Italic = true;
titleTextStyle.Bold = true;
titleTextStyle.IsSizeFixed = false;
titleTextStyle.Weight = 200;
geoLegend.Title = "图例";
geoLegend.TitleStyle = titleTextStyle;
//将图例添加到布局图层，而非屏幕图层。
geoLegend.Load(false);
mapLayoutControl1.MapLayout.Elements.AddNew(geoLegend);
}