PWCT 1.9 Art Documentation ( http://doublesvsoop.sourceforge.net )

2006-2019, Mahmoud Fayed ( msfclipper@users.sourceforge.net )

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Table of contents

1 - Introduction

2 - Implementation steps

3 - Final Steps Tree

4 - Application during the runtime

1 - Introduction

In this lesson we are going to learn how to use the Error Handling (Try/Catch) component.

2 - Implementation Steps

s1.JPG

Fig. (1) Goal Desginer - Steps Tree

Select the step (The First Step)

We will start now new interaction process to generate new steps to our steps tree.

The slow way (Using Mouse):

                1 - Click Interact to open the components browser

                2 - Select the domain (Variables)

                3 - Select the component (Assignment)

The fast way (Using Keyboard shortcuts):

                1 - Get the component using its name by typing (Assignment)

                Note : Stop typing when you see the required component is selected

s2.JPG

Fig. (2) Component Browser – Select the component (Assignment)

After selecting the component click Ok or press ENTER

s3.JPG

Fig. (3) Interaction page - Set the properties and enter the required data as in the image above

Afer entering data , Click OK or press CTRL+W

s4.JPG

Fig. (4) Goal Desginer - Steps Tree

Select the step (The First Step)

We will start now new interaction process to generate new steps to our steps tree.

The slow way (Using Mouse):

                1 - Click Interact to open the components browser

                2 - Select the domain (Variables)

                3 - Select the component (Assignment)

The fast way (Using Keyboard shortcuts):

                1 - Get the component using its name by typing (Assignment)

                Note : Stop typing when you see the required component is selected

s5.JPG

Fig. (5) Component Browser – Select the component (Assignment)

After selecting the component click Ok or press ENTER

s6.JPG

Fig. (6) Interaction page - Set the properties and enter the required data as in the image above

Afer entering data , Click OK or press CTRL+W

s7.JPG

Fig. (7) Goal Desginer - Steps Tree

Select the step (The First Step)

We will start now new interaction process to generate new steps to our steps tree.

The slow way (Using Mouse):

                1 - Click Interact to open the components browser

                2 - Select the domain (Control Structure)

                3 - Select the component (Error Handling (Try - Catch ))

The fast way (Using Keyboard shortcuts):

                1 - Get the component using its name by typing (Error Handling (Try - Catch ))

                Note : Stop typing when you see the required component is selected

s8.JPG

Fig. (8) Component Browser – Select the component (Error Handling (Try - Catch ))

After selecting the component click Ok or press ENTER

s9.JPG

Fig. (9) Interaction page - Set the properties and enter the required data as in the image above

Afer entering data , Click OK or press CTRL+W

s10.JPG

Fig. (10) Goal Desginer - Steps Tree

Select the step (Start Here)

We will start now new interaction process to generate new steps to our steps tree.

The slow way (Using Mouse):

                1 - Click Interact to open the components browser

                2 - Select the domain (Print Text)

                3 - Select the component (Print Text To Console)

The fast way (Using Keyboard shortcuts):

                1 - Get the component using its name by typing (Print Text To Console)

                Note : Stop typing when you see the required component is selected

s11.JPG

Fig. (11) Component Browser – Select the component (Print Text To Console)

After selecting the component click Ok or press ENTER

s12.JPG

Fig. (12) Interaction page - Set the properties and enter the required data as in the image above

Afer entering data , Click OK or press CTRL+W

s13.JPG

Fig. (13) Goal Desginer - Steps Tree

Select the step (Start Here)

We will start now new interaction process to generate new steps to our steps tree.

The slow way (Using Mouse):

                1 - Click Interact to open the components browser

                2 - Select the domain (Print Text)

                3 - Select the component (Print Text To Console)

The fast way (Using Keyboard shortcuts):

                1 - Get the component using its name by typing (Print Text To Console)

                Note : Stop typing when you see the required component is selected

s14.JPG

Fig. (14) Component Browser – Select the component (Print Text To Console)

After selecting the component click Ok or press ENTER

s15.JPG

Fig. (15) Interaction page - Set the properties and enter the required data as in the image above

Afer entering data , Click OK or press CTRL+W

s16.JPG

Fig. (16) Goal Desginer - Steps Tree

Select the step (The First Step)

We will start now new interaction process to generate new steps to our steps tree.

The slow way (Using Mouse):

                1 - Click Interact to open the components browser

                2 - Select the domain (Console Application)

                3 - Select the component (Wait (Key/Seconds))

The fast way (Using Keyboard shortcuts):

                1 - Get the component using its name by typing (Wait (Key/Seconds))

                Note : Stop typing when you see the required component is selected

s17.JPG

Fig. (17) Component Browser – Select the component (Wait (Key/Seconds))

After selecting the component click Ok or press ENTER

s18.JPG

Fig. (18) Interaction page - Set the properties and enter the required data as in the image above

Afer entering data , Click OK or press CTRL+W

s19.JPG

Fig. (19) Goal Desginer - Final Steps Tree

3 - Final Steps Tree

The First Step

                v1 = 5

                v2 = 0

                Error Handling, Try

                                Start Here

                                                Print text (v1 / v2) to console

                                Catch

                                                Start Here

                                                                Print text ("Oh no, it's error !!!") to console

                                End Try

                WAIT ( 3 SECONDS)

4 - Application during the runtime

runtime1.JPG

Fig. (20) Application during the runtime