C # for the two development of MAPX Control basic operation

The part of the article introduces the basic use code of MAPX, this article continues to explore some of the basics of controls, including zooming in, zooming out, scaling to initial size (full picture), panning, rectangular selection, circle selection, arrows, opening layer dialogs, opening ActiveX Properties dialog boxes, adding symbols, and more.

The standard tools provided by MAPX, different tools will enable the mouse to complete a variety of tasks. For example, if the current tool is set to Milabeltool, a label is placed on the specified Map object when the mouse is clicked. The mouse cursor changes the shape according to the tool you are using. The list of standard tools available for MapX is as follows:

Tools	Constant	Describe
ADD Line	Miaddlinetool	Add a line entity to the insert Layer
ADD Point	Miaddpointtool	Click to add point entities to the insert layer.
ADD polyline	Miaddpolylinetool	Add a polyline entity to the insert layer.
ADD Region	Miaddregiontool	Add a zone entity to the insert layer.
Arrow	Miarrowtool	Click the title or note. Also, it can move a selected entity or change its size in an editable layer.
Center	Micentertool	Click the mouse to center the map.
Label	Milabeltool	Click the entity to annotate.
Pan	Mipantool	Drag the map and reposition the center of the map.
Polygon Select	Mipolygonselecttool	Click the mouse to draw a polygon, and the object within the polygon is selected.
Radius Select	Miradiusselecttool	Drag the mouse and select the entity within the drag radius.
Rect Select	Mirectselecttool	Drag to select an entity within the rectangle.
Select Tool	Miselecttool	Click to select an entity.
Symbol	Misymboltool	Place symbol annotations.
Text	Mitexttool	Place text annotations.
Zoom in	Mizoomintool	Amplification.
Zoom out	Mizoomouttool	Narrow.