The operation process of adding operation buttons to the geometric sketchpad

1. Draw line segments and operation buttons. Select the [Line Segment Tool] to draw two line segments AB and line CD. Select line segment AB and points A and B, and select the [Edit]-[Operation Buttons]-[Hide/Show] command. A [Hide Object] button will appear in the upper left corner of the drawing area.

2. Set the properties of the button. Select the [Hide Object] button, right-click, select [Properties], and select the [Always Hide Object] command in the [Show/Hide] dialog box.

3. Draw the button and set the properties. Follow the same method to create the [Hidden Object] button of the line segment CD. In the same way, select the [Always Show Object] command in the properties of the [Hide Object] button, and the button will change to [Show Object].

4. Set button parameters. Select the two buttons [Hide Object] and [Show Object], select [Edit] - [Operation Button] - [Series] command, in the [Series Button] panel, set the execution parameters to [Simultaneous Execution], [Stop Condition] 】, select 【Stop the last action】. Change the name in the [Label] column to [Show Line Segment CD].

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