RAD Studio VCL Reference
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The following tables list the members exposed by TApplication.
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Name |
Description |
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This is FComponentStyle, a member of class TComponent. |
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Name |
Description |
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Called when an application uses a component interface. | |
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Called when an application releases a component interface. | |
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Copies the properties of an object to a destination object. | |
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Sets the private, internal storage for the Name property to the string passed in NewName. | |
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Designates methods for storing an object's unpublished data on a stream such as a form file. | |
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Provides an interface for a method that reads and writes otherwise unpublished data. | |
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Returns the owner of a child component being read from a stream. | |
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Returns the parent, or if there is no parent, returns the owner of a child component being read from a stream. | |
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This is GetChildren, a member of class TComponent. | |
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Maps a single member and an optional set of argument names to a corresponding set of integer dispatch identifiers (dispIDs). | |
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Returns the owner of a component. | |
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Returns the owner of an object. | |
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Retrieves the type information for an object. | |
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Returns the number of type information interfaces that an object provides (either 0 or 1). | |
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This is Idle, a member of class TApplication. | |
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Provides access to Automation properties and methods when the component wraps an Automation object. | |
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This is IsDlgMsg, a member of class TApplication. | |
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This is IsHintMsg, a member of class TApplication. | |
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This is IsKeyMsg, a member of class TApplication. | |
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This is IsMDIMsg, a member of class TApplication. | |
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This is IsPreProcessMessage, a member of class TApplication. | |
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This is IsShortCut, a member of class TApplication. | |
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Initializes the component after the form file has been read into memory. | |
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Forwards notification messages to all owned components. | |
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Responds when the component is created from the component palette. | |
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Returns a reference to a specified interface if the object supports that interface. | |
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This is ReadState, a member of class TComponent. | |
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This is SetAncestor, a member of class TComponent. | |
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This is SetChildOrder, a member of class TComponent. | |
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Ensures that components inserted at design time have their design-mode flag set. | |
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Ensures that components inserted at design time have their design-mode flag set. | |
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Sets the csInline bit of the component's ComponentState property | |
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Sets the value of the Name property. | |
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This is SetParentComponent, a member of class TComponent. | |
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Clears the csUpdating state in the component's ComponentState property when the component finishes updating. | |
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Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces. | |
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Sets the csUpdating state in the component's ComponentState property. | |
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Determines whether an object can be inserted into a container. | |
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Provides the interface for a method that validates an child component before it is inserted. | |
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Ensures that renaming an owned component does not create name conflict. | |
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This is WriteState, a member of class TComponent. |
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Name |
Description |
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Occurs when an action's Execute method is called and its action list has not already handled it. | |
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Occurs when an action's Update method is called and its action list has not already handled it. | |
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Occurs when an application becomes active. | |
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Occurs when an application becomes inactive. | |
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Occurs when an unhandled exception occurs in the application. | |
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This is OnGetActiveFormHandle, a member of class TApplication. | |
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This is OnGetMainFormHandle, a member of class TApplication. | |
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Occurs when the application receives a request for help. | |
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Occurs when the mouse pointer moves over a control or menu item that can display a Help Hint. | |
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Occurs when an application becomes idle. | |
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Occurs when the application receives a Windows message. | |
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Occurs when an application is minimized. | |
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Occurs when a modal form is opened. | |
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Occurs when a modal form is closed. | |
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Occurs when the previously minimized application is restored to its normal size. | |
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Occurs when Windows notifies the application that a system-wide setting has changed. | |
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Occurs when the user presses a key (before the OnKeyDown event). | |
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Occurs when the application is about to display the hint window for a Help Hint. |
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Name |
Description |
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Increments the reference count for this interface. | |
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Decrements the reference count for this interface. | |
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Displays a hint window for the control at a specified position. | |
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This is AddPopupForm, a member of class TApplication. | |
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Responds after the last constructor has executed. | |
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Copies the contents of another, similar object. | |
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Performs any necessary actions before the first destructor is called. | |
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Responds before the first destructor executes. | |
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Sets the last active window as the topmost window on the desktop above all other applications. | |
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Cancels the display of a hint for a control. | |
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Returns a pointer to the runtime type information (RTTI) table for the object type. | |
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Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument). | |
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Determines whether an object is of a specific type. | |
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Returns the type of the immediate ancestor of a class. | |
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Returns the class reference for the object's class. | |
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Performs finalization on long strings, variants, and interface variables within a class. | |
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Notifies the application when a control is destroyed. | |
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Creates a new application. | |
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Creates a new form. | |
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Generates a main window for the application if it does not already have one. | |
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Provides the interface for a method that processes message records. | |
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Destroys the application instance and all of its associated memory. | |
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Destroys all owned components. | |
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Indicates that the component and its owned components are about to be destroyed. | |
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Calls message-handling methods for the object, based on the contents of the Message parameter. | |
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Processes messages in the Message queue for certain events. | |
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Generates an OnActionExecute event. | |
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Returns the address of a published object field. | |
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Indicates whether a given component is owned by the component. | |
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Destroys an object and frees its associated memory, if necessary. | |
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Deallocates memory allocated by a previous call to the System::TObject::NewInstance method. | |
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Ensures that AComponent is notified that the component is going to be destroyed. | |
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Frees the interface reference for components that were created from COM classes. | |
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Returns a reference to the component associated by the implementing class. | |
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Returns a TComponent enumerator. | |
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Retrieves a specified interface. | |
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Returns the entry for a specific interface implemented in a class. | |
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Returns a pointer to a structure containing all of the interfaces implemented by a given class. | |
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Returns a string used by the Object Inspector. | |
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Returns the name of the object as it appears in the Object Inspector. | |
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Returns the containing Component. | |
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Provides default handling of exceptions for the application. | |
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Interrupts the execution of an application while Windows processes a message in the Windows message queue. | |
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This is HasParent, a member of class TComponent. | |
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Provides quick access to any of the Help commands in the WinHelp API (application programming interface). | |
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Displays a specified help topic. | |
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Displays a specified help topic. | |
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Displays a specified help topic. | |
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Shows the Table of Contents within the help system. | |
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Hides the current hint. | |
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Regulates the display of hint windows. | |
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Enables a native Windows dialog box to receive messages sent to the application's main window. | |
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This is HookSynchronizeWakeup, a member of class TApplication. | |
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Determines the relationship of two object types. | |
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Provides an opportunity to initialize subsystems. | |
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Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer. | |
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Establishes the component as the owner of a specified component. | |
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Returns the size in bytes of each instance of the object type. | |
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Indicates whether the component implements a specified interface. | |
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Specifies whether the application adjusts its interface for Middle Eastern locales. | |
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Displays a specified message to the user. | |
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This is MethodAddress, a member of class TObject. | |
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This is MethodName, a member of class TObject. | |
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Shrinks an application to the Windows task bar. | |
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Track closing of modal form. | |
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Track opening of modal form. | |
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Allocates memory for an instance of an object type and returns a pointer to that new instance. | |
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Makes forms that have been designated as topmost forms (their FormStyle is fsStayOnTop) behave as if they were not topmost forms. | |
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Makes forms that have been designated as topmost forms (their FormStyle is fsStayOnTop) behave as if they were not topmost forms. | |
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Interrupts the execution of an application so that it can process the message queue. | |
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Returns a reference to a specified interface if the object supports that interface. | |
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Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed. | |
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Removes a specified component specified from the component's Components list. | |
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Disables destruction notification that was enabled by FreeNotification | |
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This is RemovePopupForm, a member of class TApplication. | |
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Restores a minimized application to its normal size. | |
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Restores forms designated as fsStayOnTop to be topmost again. | |
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Executes the application. | |
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Handles exceptions in methods declared using the safecall calling convention. | |
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Handles exceptions in methods declared using the safecall calling convention. | |
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Identifies whether the component is a subcomponent. | |
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Displays a message box for exceptions that are not caught by application code. | |
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Ends application execution. | |
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Releases a dialog procedure previously hooked by a call to the HookMainWindow method. | |
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Removes the method that was assigned to the WakeMainThread variable by HookSynchronizeWakeup. | |
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Generates an OnActionUpdate event. | |
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This is UseRightToLeftAlignment, a member of class TApplication. | |
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This is UseRightToLeftReading, a member of class TApplication. | |
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This is UseRightToLeftScrollBar, a member of class TApplication. |
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Name |
Description |
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Delays the call to DoActionIdle. | |
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Specifies whether the application is active and has focus. | |
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Gives the Windows handle of the currently active form. | |
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Represents information for the IDE. | |
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Indicates whether dragged windows are automatically docked. | |
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Specifies the name of the keyboard map that should be used in middle-east locales when text reads from right to left. | |
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Indicates the layout of the application when running under Middle Eastern versions of Windows. | |
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Specifies the interface reference implemented by the component. | |
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Indicates the number of components owned by the component. | |
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Indicates the position of the component in its owner's Components property array. | |
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Lists all components owned by the component. | |
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Describes the current state of the component, indicating when a component needs to avoid certain actions. | |
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Governs the behavior of the component. | |
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Indicates the current help file. | |
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Contains information used by the Form designer. | |
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Provides a mechanism for using non-VCL dialog boxes in an application. | |
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This is EnumAllWindowsOnActivateHint, a member of class TApplication. | |
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Contains the file name of the application's executable file including path information. | |
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Provides access to the window handle of the main form (window) of the application. | |
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Specifies the name of the default file the application uses to display Help. | |
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Provides access to the interface for working with the help system. | |
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Specifies the text string that appears in the Help Hint box. | |
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Determines the color of the hint boxes for the Help Hints for the application. | |
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Specifies the time interval to wait before hiding the Help Hint if the mouse has not moved from the control or menu item. | |
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Specifies the time interval that passes before the control's Help Hint appears when the user places the mouse pointer on a control or menu item. | |
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Specifies whether the application's pop-up hints include shortcut information. | |
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Specifies the time period to wait before bringing up a hint if another hint has already been shown. | |
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Determines which icon represents the application on the Windows task bar. | |
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Identifies which form in the application is the main window. | |
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Gives the Windows handle of the currently active form. | |
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Controls how Windows taskbar buttons are handled by VCL. | |
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This is ModalLevel, a member of class TApplication. | |
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This is ModalPopupMode, a member of class TApplication. | |
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Specifies the name of the keyboard map that should be used unless text reads from right to left. | |
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Indicates the component that is responsible for streaming and freeing this component. | |
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This is PopupControlWnd, a member of class TApplication. | |
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Determines whether Help Hints are enabled or disabled for the entire application. | |
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Determines whether the application shows its main form on startup. | |
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Reports whether the application is in the process of shutting down. | |
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Contains the text that appears below the icon representing the application when it is minimized. | |
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Specifies whether format settings are updated automatically when the user alters the system configuration. | |
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Specifies whether the settings used for the hint window font and the icon title font are updated. | |
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Represents information used internally by components that support COM. |
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