程序如下:
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private void updateFeatureToolStripMenuItem_Click(object sender, EventArgs e)
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{
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try
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{
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MapInfo.Data.Table CNTable = MapInfo.Engine.Session.Current.Catalog.GetTable("Testworld");
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MapInfo.Data.SearchInfo si = MapInfo.Data.SearchInfoFactory.SearchWhere("Country='China'");
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MapInfo.Data.IResultSetFeatureCollection irfc = MapInfo.Engine.Session.Current.Catalog.Search(CNTable, si);
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Feature ftr = irfc[0];
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ftr["Country"] = "China";
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// CNTable.UpdateFeature(ftr);
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MIConnection conn = new MIConnection();
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conn.Open();
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MICommand cmd = conn.CreateCommand();
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cmd.CommandText = "update " + CNTable.Alias + " set obj=@obj,Country =@name where MI_Key =@MIKEY";
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cmd.Parameters.Add("@obj", ftr.Geometry);
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cmd.Parameters.Add("@name", "中国");
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cmd.Parameters.Add("@MIKEY", ftr.Key);
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cmd.ExecuteNonQuery();
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//change style
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MapInfo.Styles.CompositeStyle cs = new MapInfo.Styles.CompositeStyle();
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MapInfo.Styles.BitmapPointStyle bmpStyle = new MapInfo.Styles.BitmapPointStyle();
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bmpStyle.Name = "YIEL2-32.BMP";
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bmpStyle.PointSize =28;
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cs.SymbolStyle = bmpStyle;
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.ToString());
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}
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}
![](/Images/OutliningIndicators/None.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
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![](/Images/OutliningIndicators/InBlock.gif)
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![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
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![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)