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218 Day 7 Working with the Form Designer The C++Builder Form Designer is a powerful visual programming tool. It allows you to place, select, move, resize, and align components, and much more. The Form Designer also allows you to size and position the form itself, add menus, and create specialized dialog boxes—everything you need to create the user interface to a typical Windows program. We’ll examine each of the features of the Form Designer in the following sections. As you read, I encourage you to stop and experiment any time you are curious about how something works. Sometimes a few minutes of playing around can teach you a technique that you can carry with you for a long time to come. The Form Designer’s Speed Menu The Form Designer, like most C++Builder windows, has a speed menu associated with it. Table 7.1 lists the items on the Form Designer speed menu and provides a description of each. Table 7.1. The Form Designer’s speed menu items. Item Description Align To Grid Aligns selected components to the Form Designer grid. Bring To Front Brings selected components to the front its components layer. Send To Back Sends selected components behind its component layer. Revert to Inherited When you are working with a form you have inherited from the Object Repository, choosing this menu item will cause the form to revert back to its original state. (Inheriting forms from the Object Repository is covered on Day 9, “Creating Applications in C++Builder.”) Align Displays the Alignment dialog box. Size Displays the Size dialog box. Scale Displays the Scale dialog box. Tab Order Displays the Edit Tab Order dialog box. Creation Order Displays the Creation Order dialog box. Add to Repository Adds this form to the Object Repository. Custom forms can be saved to be used later. (The Object Repository is discussed on Day 9.)
NOTE Working with the Form Designer and the Menu Designer Item Description View as Text Shows the form description as text in the Code Editor. You may edit the text version of the form if you like. Choose View as Form from the Code Editor speed menu to go back to the form. You can also use Alt+F12 to switch from the View As Text and View As Form options. C++Builder creates a form file (DFM) for every form you create and places it in your project’s directory. The form file is a binary resource file that can’t be read by mere humans. When you choose the View As Text speed menu item, C++Builder converts the binary resource to readable form. When you switch back to the View as Form option, C++Builder recompiles the form file to implement any changes you have made. Most of the speed menu options are discussed in the following sections. Others are discussed in later chapters when we discuss the particular aspect of C++Builder that they pertain to. Placing Components The act of placing a component on a form is trivial. You simply select the component you want from the Component Palette and click on the form to place the component. When you click on the form, the component’s upper-left corner is placed at the location you clicked. Notice that when you click a button on the Component Palette, the button appears as pressed. When you click on the form to place the component, the button on the Component Palette pops up again to indicate that the action is completed. TIP As you learned in the last chapter, to place a component on a form multiple times, press and hold Shift when you first select the component’s button on the Component Palette. Each time you click on the form, a new component will be added. Click the Arrow button on the Component Palette to stop placing components. 219 7
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At a Glance At A Glance WEEK 1 In W
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Day 1 Getting Your Feet Wet Week Ge
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Getting Your Feet Wet are divided i
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NOTE Getting Your Feet Wet As you m
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Getting Your Feet Wet but you need
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NOTE Getting Your Feet Wet In order
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NOTE Getting Your Feet Wet In C++,
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Getting Your Feet Wet An object, li
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Getting Your Feet Wet In some progr
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Listing 1.3. WRAPME.CPP. Getting Yo
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Getting Your Feet Wet Operator Desc
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NEW TERM Figure 1.5. Anatomy of a f
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SYNTAX ▼ ▲ Getting Your Feet We
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Getting Your Feet Wet Let’s prove
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NOTE Getting Your Feet Wet numbers
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Quiz Getting Your Feet Wet Windows
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Day 2 Wading In Deeper Wading In De
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NOTE Wading In Deeper If the condit
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SYNTAX ▼ ▼ TIP TIP Wading In De
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SYNTAX Wading In Deeper immediately
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Listing 2.1. FORLOOP.CPP. Wading In
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SYNTAX ▼ ▲ SYNTAX ▼ ▲ The w
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Wading In Deeper for (int i=0;i
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▲ default: dflt_statements; break
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Wading In Deeper This code generate
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Wading In Deeper So how do the sour
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Wading In Deeper 20: sizeof(listArr
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NOTE Wading In Deeper The displayRe
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Workshop Wading In Deeper The Works
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Day 3 Up to Your Neck in C++ Up to
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Up to Your Neck in C++ In this case
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Up to Your Neck in C++ Figure 3.1.
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Up to Your Neck in C++ That won’t
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Up to Your Neck in C++ 42: cin.getl
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Listing 3.2. REFERENC.CPP. Up to Yo
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Up to Your Neck in C++ Although it
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Up to Your Neck in C++ Now the comp
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Quiz Up to Your Neck in C++ Day 5,
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Totally Immersed: C++ Classes and O
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NOTE Totally Immersed: C++ Classes
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C++ Class Frameworks and the Visual
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Figure 5.1. The Object Inspector wi
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NOTE C++ Class Frameworks and the V
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Exercises C++ Class Frameworks and
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At a Glance At A Glance WEEK 2 Are
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Day 8 VCL Components VCL Components
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VCL Components C++Builder displays
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VCL Components Important Common Pro
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Cursors VCL Components The Cursor p
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Figure 8.2. The Object Inspector sh
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VCL Components You can set this pro
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VCL Components Method Description I
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VCL Components Similarly, when the
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VCL Components or load the Memo wit
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VCL Components Item Applies To Desc
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VCL Components You can use owner-dr
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VCL Components Property Applies To
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VCL Components for buttons that are
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VCL Components property set to true
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VCL Components The GroupIndex Prope
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VCL Components As such, they go wit
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VCL Components The File Open and Fi
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VCL Components The InitialDir Prope
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VCL Components The Font dialog box
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Quiz VCL Components Q I’m respond
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Day 9 Creating Applications in C++B
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Figure 9.1. The Object Repository w
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Creating Applications in C++Builder
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TIP Creating Applications in C++Bui
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Figure 9.4. The Object Repository c
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TIP Creating Applications in C++Bui
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Summary Creating Applications in C+
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More on Projects Day 10 More on Pro
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More on Projects The only time this
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TIP More on Projects You can add mo
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More on Projects Table 10.1. The Pr
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Figure 10.6. The Project Explorer s
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■ Forms ■ Application ■ C++
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Figure 10.9. The C++ page of the Pr
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NOTE TIP More on Projects To avoid
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More on Projects The Show warnings
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More on Projects The C++Builder Cod
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More on Projects menu or press Ctrl
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More on Projects 8. Continuing with
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Using the Debugger Day 11 Using the
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Using the Debugger Item Shortcut De
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Using the Debugger Conditional Brea
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CPU View Using the Debugger The CPU
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C++Builder Database Architecture Da
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C++Builder Database Architecture
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C++Builder Database Architecture To
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Method Function C++Builder Database
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TIP C++Builder Database Architectur
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Building Internet Applications Day
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Building Internet Applications Tabl
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Quiz Building Internet Applications
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C++Builder Extensions to C++ Day 14
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C++Builder Extensions to C++ compil
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C++Builder Extensions to C++ value
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In Review In Review WEEK 2 Wow, tha
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Answers to Quiz Questions APPENDIX
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Day 3 Day 4 Answers to Quiz Questio
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Day 10 Answers to Quiz Questions 1.
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Symbols & (ampersands), 246 © (cop
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C C (programming language), 132 C c
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File Save, 309-312 Find/Replace, 31
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Insert Template, 248 Object Reposit
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Cascade( ), 198 Close( ), 198 Close
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Layout property (BitBtn component),
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object-oriented programming, see OO
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protected member functions, 106 pro
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structures arrays, 58 C vs. C++, 64
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A V I A C O M S E R V I C E The Inf
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Component Palette Quick Reference S
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Add to Your Sams Library Today with
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Overview Introduction Introduction
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Introduction VCL Explored .........
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