RAD Studio VCL Reference
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The following tables list the members exposed by TScreen.
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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Designates methods for storing an object's unpublished data on a stream such as a form file.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Provides an interface for a method that reads and writes otherwise unpublished data.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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Provides access to Automation properties and methods when the component wraps an Automation object. | |
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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 immediately after input focus changes to a new windowed control. | |
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Occurs immediately after a new form becomes active in a multi-form application. |
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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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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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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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Creates an instance of TScreen. | |
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Provides the interface for a method that processes message records. | |
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Destroys an instance of TScreen. | |
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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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Prevents forms from being aligned in the screen. | |
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Calls message-handling methods for the object, based on the contents of the Message parameter. | |
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Allows forms to be aligned in the screen. | |
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This is ExecuteAction, a member of class TComponent. | |
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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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This is HasParent, a member of class TComponent. | |
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Determines the relationship of two object types. | |
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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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This is MethodAddress, a member of class TObject. | |
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This is MethodName, a member of class TObject. | |
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Returns the monitor where a specified point is located. | |
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Returns the monitor where a specified rectangle is located. | |
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Returns the monitor where a specified window is located. | |
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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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Returns a reference to a specified interface if the object supports that interface. | |
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Realigns the screen's forms according to their Align properties. | |
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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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Reinitializes the fonts listed in the Fonts property. | |
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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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This is UpdateAction, a member of class TComponent. |
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Name |
Description |
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Indicates which control currently has input focus on the screen. | |
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Indicates the descendant of TCustomForm that currently has focus. | |
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Indicates which form currently has focus. | |
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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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Controls the mouse cursor image on a global level. | |
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This is CursorCount, a member of class TScreen. | |
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Lists the cursors available to the application. | |
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Indicates the number of forms or property pages displayed on the screen. | |
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Lists all the forms and property pages that are currently displayed in the application. | |
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Indicates the number of data modules that are currently instantiated in the application. | |
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Lists all the data modules that are currently instantiated in the application. | |
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Indicates which input method editor (IME) is active when the TScreen object is created. | |
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Indicates the Windows handle to the keyboard layout that was active when the application started running. | |
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Contains information used by the Form designer. | |
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Specifies the height of the entire virtual desktop. | |
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Specifies the x-coordinate of the desktop's left edge relative to the upper-left corner of the primary monitor. | |
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Specifies the boundaries of the virtual desktop relative to the upper-left corner of the primary monitor. | |
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Specifies the y-coordinate of the entire desktop's top edge relative to the upper-left corner of the primary monitor. | |
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Specifies the width of the entire virtual desktop. | |
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Provides a reference to the form that has focus. | |
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Lists the face names for all fonts supported by the screen. | |
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Indicates the number of forms displayed on the screen. | |
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Lists all the forms currently displayed in the application. | |
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Indicates the vertical size of the screen in pixels. | |
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Specifies the font used to display help hints. | |
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Specifies the font used to display the labels on the icons in file selection dialogs. | |
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Lists all input method editors (IMEs) installed on the system. | |
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Specifies the font used for menu commands. | |
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Specifies the number of monitors used to comprise the desktop. | |
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Provides access to an individual monitor used to comprise the desktop. | |
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Indicates the component that is responsible for streaming and freeing this component. | |
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Indicates the number of screen pixels that make up a logical inch in the vertical direction. | |
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Provides a reference to the primary monitor. | |
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This is SaveFocusedList, a member of class TScreen. | |
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Represents information used internally by components that support COM. | |
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Indicates the horizontal size of the screen in pixels. | |
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Specifies the height of the work area on the primary monitor. | |
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Specifies the left edge of the work area on the primary monitor. | |
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Specifies the boundaries of the usable work area on the primary monitor. | |
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Specifies the top edge of the work area on the primary monitor. | |
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Specifies the width of the work area on the primary monitor. |
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