How to create text operation buttons in Geometric Sketchpad

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Introduction to hot text

When the mouse points to the [Move Arrow Tool] and slides over the object name introduced into the text box or presses and holds the object name introduced into the text box, the object will [heat] and flash. The text entered in this way is called hot word, also known as hot text.

The example operation steps are as follows:

Step 1 Draw and create operation buttons

Open the geometric sketchpad, use the [Line Segment Tool] to draw △ABC as shown below, and use Move the tool to select the line segment BC, execute the [Measure]-[Length] command to measure the length of the outgoing edge BC, and display it in the upper left corner of the drawing board.

Create an operation button, select point C, execute the [Edit]-[Operation Button]-[Hide/Show] command, click OK in the pop-up dialog box, and you will get The operation button of point C is hidden.

Step 2 Create a text operation button

Select [Text Tool] on the left sidebar, double-click in the blank area of ​​the drawing board to pop up the text input state, and click [Hide] Click the C] operation button to display the words [hidden point C] in the text box. At this time, select the move tool and place the mouse on the [hidden point C] text. You will find that the operation button will flash [heat]. Click the text. The action of [Hidden Point C] will be executed.

Not only can you implement hot text for operation buttons, but you can also implement hot text functions for corners, line segments, measurement data, etc. For example, in the picture below, the hot text created for ∠BCA, side BC, and the length of BC, when the mouse is placed on the text, the object represented will [flash], and the pointed object can be clearly seen. This is An extended use of Geometric Sketchpad hot text.

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