arcengine pagelayout控件设置主要代码
private void addtext_Click(object sender, EventArgs e) ESRI.ArcGIS.Carto.IActiveView activeView; ESRI.ArcGIS.Carto.IGraphicsContainer graphicsContainer; ESRI.ArcGIS.Carto.ITextElement textElement; ESRI.ArcGIS.Display.ITextSy