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

2006-2013, 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