private void button20_Click(object sender, EventArgs e)
{
try
{
if (comboBox1.Text != "" && textBox1.Text != "")
{
ILayer Layer = axMapControl1.ActiveView.FocusMap.get_Layer(comboBox1.SelectedIndex);
IFeatureLayer selectedLayer = Layer as IFeatureLayer;
IQueryFilter pFilter = new QueryFilterClass();
pFilter.WhereClause = textBox1.Text;
IFeatureSelection featSelect = selectedLayer as IFeatureSelection;
if (comboBox2.SelectedIndex == 0)
{
featSelect.SelectFeatures(pFilter, esriSelectionResultEnum.esriSelectionResultNew, false);
}
if (comboBox2.SelectedIndex == 1)
{
featSelect.SelectFeatures(pFilter, esriSelectionResultEnum.esriSelectionResultAdd, false);
}
if (comboBox2.SelectedIndex == 2)
{
featSelect.SelectFeatures(pFilter, esriSelectionResultEnum.esriSelectionResultSubtract, false);
}
axMapControl1.Refresh();
}
this.Close();
f1.Show();
}
catch (Exception)
{
MessageBox.Show("There was an error with the expression. \nGeneral function failure [" + comboBox1.Text.ToString() + "] \nSyntax error (missing operator) in query expression '" + textBox1.Text.ToString() + "'.");
}
}
/// <summary>
/// 设置地图初始化范围
/// </summary>
public void InitExtent()
{
Core.Generic.myXML xml = new Core.Generic.myXML(System.Windows.Forms.Application.StartupPath + "\\Setting.xml");
try
{
float xmin, ymin, xmax, ymax;
float.TryParse(xml.GetElement("InitExtent", "Xmin"), out xmin);
float.TryParse(xml.GetElement("InitExtent", "Ymin"), out ymin);
float.TryParse(xml.GetElement("InitExtent", "Xmax"), out xmax);
float.TryParse(xml.GetElement("InitExtent", "Ymax"), out ymax);
IEnvelope env = new Envelope() as IEnvelope;
env.XMin = xmin;
env.YMin = ymin;
env.XMax = xmax;
env.YMax = ymax;
mapControl.Extent = env;
mapControl.Refresh();
}
catch (Exception ex)
{
throw (ex);
}
finally
{
xml = null;
}
}
public static void NewMapDoc(Control.ControlCollection controls, ESRI.ArcGIS.Controls.AxMapControl mainMapControl)
{
try
{
//实例化AxMapControl控件，并加入Form的Controls
ESRI.ArcGIS.Controls.AxMapControl axMapControl = new ESRI.ArcGIS.Controls.AxMapControl();
((System.ComponentModel.ISupportInitialize)(axMapControl)).BeginInit();
controls.Add(axMapControl);
((System.ComponentModel.ISupportInitialize)(axMapControl)).EndInit();
//实例化SaveFileDialog控件
SaveFileDialog pSaveFileDialog = new SaveFileDialog();
pSaveFileDialog.Title = "输入需要新建地图文档的名称";
pSaveFileDialog.Filter = "地图文件(*.mxd)|*.mxd";
pSaveFileDialog.OverwritePrompt = true;
pSaveFileDialog.RestoreDirectory = true;
if (pSaveFileDialog.ShowDialog() == DialogResult.OK)
{//保存地图文档
string filename = pSaveFileDialog.FileName;
IMapDocument pMapDocument = new MapDocumentClass();
pMapDocument.New(filename);
axMapControl.Map = pMapDocument.get_Map(0);
axMapControl.DocumentFilename = pMapDocument.DocumentFilename;
pMapDocument.Close();
mainMapControl.LoadMxFile(filename);
mainMapControl.Refresh();
MessageBox.Show("新建地图文档成功!", "信息提示", MessageBoxButtons.OK);
return;
}
else
{
return;
}
}
catch (Exception exc)
{
MessageBox.Show("新建地图文档失败！" + exc.Message, "信息提示", MessageBoxButtons.OK);
return;
}
}
private void button20_Click_1(object sender, EventArgs e)
{
try
{
if (textBox1.Text != "")
{
ILayer sheyakhaLayer = axMapControl1.ActiveView.FocusMap.get_Layer(layerIndex);
IFeatureLayer fsheyakhalayer = sheyakhaLayer as FeatureLayer;
IFeatureLayerDefinition dlayer = fsheyakhalayer as IFeatureLayerDefinition;
dlayer.DefinitionExpression = textBox1.Text;
axMapControl1.Refresh();
}
this.Close();
f1.Show();
}
catch (Exception)
{
MessageBox.Show("There was an error with the expression. \nGeneral function failure [" + Layer + "] \nSyntax error (missing operator) in query expression '" + textBox1.Text.ToString() + "'.");
}
}
