摘要：
拉框放大： axmap1.MousePointer = esriControlsMousePointer.esriPointerZoomIn; IEnvelope IEnvTrc; IEnvTrc = axmap1.TrackRectangle(); axmap1.Extent = IEnvTrc; 平移： axmap1.MousePointer = esriControlsMousePointer.esriPointerPageZoomOut; axmap... 阅读全文