BORLAND DELPHI 7 TUTORIAL - FOR WINDOWS - TUTORIAL GUIDE HELP FREE

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CONTENTS BORLAND DELPHI 7 TUTORIAL - FOR WINDOWS Component Writer’s Guide Borland Delphi 7 for Windows Chapter 1 Overview of component creation 1-1 Class library Components and classes Creating components Modifying existing controls Creating windowed controls Creating graphic controls Subclassing Windows controls Creating nonvisual components What goes into a component? Removing dependencies Setting properties, methods, and events Properties Methods Events Encapsulating graphics Registering components Creating a new component Creating a component with the Component wizard Creating a component manually Creating a unit file Deriving the component Registering the component Creating a bitmap for a component Installing a component on the Component palette Making source files available Testing uninstalled components Testing installed components Delphi 7 Tutorial Good tutorials pdf Software user guide Manuals free Help me programming Bible Borland Table of Contents Chapter 2 Object-oriented programming for component writers Defining new classes Deriving new classes To change class defaults to avoid repetition To add new capabilities to a class Declaring a new component class Ancestors, descendants, and class hierarchies Controlling access Hiding implementation details Defining the component writer’s interface Defining the runtime interface Defining the design-time interface Dispatching methods Static methods An example of static methods Virtual methods Overriding methods Dynamic methods Abstract class members Classes and pointers Chapter 3 Creating properties Why create properties? Types of properties Publishing inherited properties Defining properties Property declarations Internal data storage Direct access Access methods The read method The write method Default property values Specifying no default value Creating array properties Creating properties for subcomponents Creating properties for interfaces Storing and loading properties Using the store-and-load mechanism Specifying default values Determining what to store Initializing after loading Storing and loading unpublished properties Creating methods to store and load property values Overriding the DefineProperties method Chapter 4 Creating events What are events? Events are method pointers Events are properties Event types are method-pointer types Event-handler types are procedures Event handlers are optional Implementing the standard events Identifying standard events Standard events for all controls Standard events for standard controls Making events visible Changing the standard event handling Defining your own events Triggering the event Two kinds of events Defining the handler type Simple notifications Event-specific handlers Returning information from the handler Declaring the event Event names start with “On” Calling the event Chapter 5 Creating methods Avoiding dependencies Naming methods Protecting methods Methods that should be public Methods that should be protected Abstract methods Making methods virtual Declaring methods Chapter 6 Using graphics in components Overview of graphics Using the canvas Working with pictures Using a picture, graphic, or canvas Loading and storing graphics Handling palettes Specifying a palette for a control Off-screen bitmaps Creating and managing off-screen bitmaps Copying bitmapped images Responding to changes Chapter 7 Handling messages and system notifications Understanding the message-handling system What’s in a Windows message? Dispatching messages Tracing the flow of messages Changing message handling Overriding the handler method Using message parameters Trapping messages Creating new message handlers Defining your own messages Declaring a message identifier Declaring a message-record type Declaring a new message-handling method Sending messages Broadcasting a message to all controls in a form Calling a control’s message handler directly Sending a message using the Windows message queue Sending a message that does not execute immediately Responding to system notifications using CLX Responding to signals Assigning custom signal handlers Responding to system events Commonly used events Overriding the EventFilter method Generating Qt events Chapter 8 Making components available at design time Registering components Declaring the Register procedure Writing the Register procedure Specifying the components Specifying the palette page Using the RegisterComponents function Providing Help for your component Creating the Help file Creating the entries Making component Help context-sensitive Adding component Help files Adding property editors Deriving a property-editor class Editing the property as text Displaying the property value Setting the property value Editing the property as a whole Specifying editor attributes Registering the property editor Property categories Registering one property at a time Registering multiple properties at once Specifying property categories Using the IsPropertyInCategory function Adding component editors Adding items to the context menu Specifying menu items Implementing commands Changing the double-click behavior Adding clipboard formats Registering the component editor Compiling components into packages Chapter 9 Modifying an existing component Creating and registering the component Modifying the component class Overriding the constructor Specifying the new default property value Chapter 10 Creating a graphic control Creating and registering the component Publishing inherited properties Adding graphic capabilities Determining what to draw Declaring the property type Declaring the property Writing the implementation method Overriding the constructor and destructor Changing default property values Publishing the pen and brush Declaring the class fields Declaring the access properties Initializing owned classes Setting owned classes’ properties Drawing the component image Refining the shape drawing Chapter 11 Customizing a grid Creating and registering the component Publishing inherited properties Changing initial values Resizing the cells Filling in the cells Tracking the date Storing the internal date Accessing the day, month, and year Generating the day numbers Selecting the current day Navigating months and years Navigating days Moving the selection Providing an OnChange event Excluding blank cells Chapter 12 Making a control data aware Creating a data browsing control Creating and registering the component Making the control read-only Adding the ReadOnly property Allowing needed updates Adding the data link Declaring the class field Declaring the access properties An example of declaring access properties Initializing the data link Responding to data changes Creating a data editing control Changing the default value of FReadOnly Handling mouse-down and key-down messages Responding to mouse-down messages Responding to key-down messages Updating the field data link class Modifying the Change method Updating the dataset Chapter 13 Making a dialog box a component Defining the component interface Creating and registering the component Creating the component interface Including the form unit Adding interface properties Adding the Execute method Testing the component Chapter 14 Extending the IDE Overview of the Tools API Writing a wizard class Implementing the wizard interfaces Installing the wizard package Obtaining Tools API services Using native IDE objects Using the INTAServices interface Adding an image to the image list Adding an action to the action list Deleting toolbar buttons Debugging a wizard Interface version numbers Working with files and editors Using module interfaces Using editor interfaces Creating forms and projects Creating modules Notifying a wizard of IDE events Index Tables Component creation starting points Levels of visibility within an object How properties appear in the Object Inspector Canvas capability summary Image-copying methods TWidgetControl protected methods for responding to system notifications TWidgetControl protected methods for responding to events from controls Predefined property-editor types Methods for reading and writing property values Property-editor attribute flags Property categories The four kinds of wizards Tools API service interfaces Notifier interfaces Figures Visual Component Library class hierarchy Component wizard Signal routing System event routing