在engine程序的运行时调用engine自带的command或tool

command的调用方法
//Create a command instance.ICommand command = new ControlsZoomToSelectedCommandClass();//Pass the MapControl to the OnCreate method.command.OnCreate(axMapControl1.Object);//Call OnClick.command.OnClick();

tool的调用方法
//Create a tool instance.ICommand command = new ControlsSelectFeaturesToolClass();//Pass the MapControl to the OnCreate method.command.OnCreate(axMapControl1.Object);//Set the MapControl's current tool.axMapControl1.CurrentTool = command as ITool;