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