DriveWorks Pro 23

Form Messages

Introduction

The form messages task provides the ability to create messages that can be used in controls to indicate when users have typed in values which aren't valid.

To Create a Form Message

• Click the "Add" button on the command bar - a new form message is added to the list.
• Either, type a rule into the list, or press return and click the "Build" button on the command bar to launch the rules builder.

To Build a Rule for a Form Message

• Select the form message to edit in the list.
• Click the "Build" button on the command bar to launch the rules builder.

To Delete a Form Message

• Select the form message to delete in the list.
• Click the "Delete" button on the command bar.

To Use a Form Message

• Make a note of the number of the form message to use.
• Open the form designer, and select the form containing the control that is going to use the form message.
• Select the control, and find the "Error Result" property in the form designer.
• Build a rule for the "Error Result" property which returns the message number if the control's value isn't correct.

For example, if you wanted to check whether a text box had a certain value you might write a rule like:

IF(TheTextBoxReturn= "Expected Value",0, 1)

Which would return no error (0) if the value of the text box is "Expected Value", otherwise it will return the number of a message - in this case 1.

Alternative way to create a form message

Form messages can also be constructed in the same way as in DriveWorks Solo.

• Select a form control and build a rule form the "Error Result".
• The rule could look something like this:

IF(OR(HeightReturn>HeightMax, HeightReturn<HeightMin), "Enter a Height between "&HeightMin& " and "&HeightMax, "")