RAD Studio VCL Reference
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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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Responds when the action associated with the control changes. | |
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Updates the control to reflect changes in its associated action. | |
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Sets control's window style according to its bi-directional support. | |
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Provides the interface that adjusts the ClientRect property for idiosyncrasies of the window. | |
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Sets the size of the control as determined by the AutoSize property. | |
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Adjusts the control's size according to its contents and constraints. | |
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Aligns any controls for which the control is the parent within a specified area of the control. | |
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This is ArrangeControl, a member of class TWinControl. | |
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Copies the properties of an object to a destination object. | |
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Overrides the inherited AssignTo function to enable assignments to TAction objects. | |
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Copies the properties of the windowed control to another object. | |
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Begin Automatic Drag. | |
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This is BuildList, a member of class TDirectoryListBox. | |
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This is CalcCursorPos, a member of class TControl. | |
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Indicates whether the control can resize itself automatically to accommodate its contents. | |
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Indicates how the control can be resized. | |
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OnCanResize event dispatcher. | |
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Indicates how the control can respond to a resize attempt. | |
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This is Change, a member of class TDirectoryListBox. | |
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Sends a CM_CHANGED message to the control. | |
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Sets the private, internal storage for the Name property to the string passed in NewName. | |
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Rescaling event dispatcher. | |
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Resize and reposition children and self. | |
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Respond to user click. | |
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Notify control of resize with constraints. | |
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Generates an OnConstrainedResize event. | |
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This is ControlsAligned, a member of class TWinControl. | |
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Creates the dock manager for the control. | |
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Creates underlying screen object. | |
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Initializes a window-creation parameter data structure. | |
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Initializes the window-creation parameter record passed in the Params parameter. | |
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Creates a windowed control derived from an existing Windows window class. | |
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Creates a Windows control to represent the control. | |
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Creates a Windows control corresponding to the list box component. | |
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Returns placement order of custom-aligned child control. | |
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Returns aligned position of custom-aligned child control. | |
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OnDblClick event dispatcher. | |
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Handles the painting and erasing of a dock image. | |
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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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Provides methods to read and write the IsControl property to a stream such as a form file. | |
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Provides methods to read and write the IsControl property to a stream such as a form file. | |
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Deletes a string from the list box. | |
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This is DesignWndProc, a member of class TControl. | |
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Destroys the control's window without destroying the control. | |
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Destroys the window created in the CreateWindowHandle method. | |
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Destroys the control's window. | |
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Saves the list box items in a string list before freeing the underlying Windows control. | |
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Performs actions when a control is docked to the windowed control. | |
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Responds when a docking client is dragged over the windowed control. | |
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This is DockReplaceDockClient, a member of class TWinControl. | |
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Handles dragging of the control over an invalid docking target. | |
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OnContextPopup event dispatcher. | |
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Docking event dispatcher. | |
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Generates an OnDockOver event. | |
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OnEndDock event dispatcher. | |
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OnEndDrag event dispatcher. | |
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Respond to receiving input focus. | |
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Respond to losing input focus | |
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Returns the index of a string in the list box. | |
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Flips the control's children. | |
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Returns a string in the list box given its index. | |
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Returns the object associated with an item in a virtual list box. | |
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Performs some preprocessing before generating an OnKeyDown event. | |
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Performs some preprocessing before generating an OnKeyPress event. | |
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Performs some preprocessing before generating an OnKeyUp event. | |
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Processes mouse wheel motion. | |
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OnMouseWheelDown event dispatcher. | |
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OnMouseWheelUp event dispatcher. | |
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Responds when a control is undocked from the windowed control. | |
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OnStartDock event dispatcher. | |
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OnStartDrag event dispatcher. | |
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Undocks a control that is currently docked to the windowed control. | |
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Provides the interface for a method that responds to the cancellation of a drag. | |
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Sends a mouse message canceling the drag-and-drop operation. | |
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OnDragOver event dispatcher. | |
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Draws the dock image for the control. | |
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Generates an OnDrawItem event. | |
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Erases the dock image for the control. | |
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Returns the control's next child in the tab order after the specified control. | |
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Sorts the child controls by their tab order. | |
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This is GetAction, a member of class TControl. | |
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Returns the appropriate action link class that is associated with the control class. | |
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Returns the associated action link class. | |
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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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Calls a specified method for each child of the control. | |
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Returns the screen coordinates of the top-left corner of the control's client area. | |
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Returns the value of the ClientOrigin property. | |
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Returns a rectangle defining the client area of the control. | |
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Returns the value of the ClientRect property. | |
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Returns the smallest rectangle in which all the control's children fit. | |
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Returns the number of items in the list. | |
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Returns the value of the Count property. | |
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Returns a device context for the control. | |
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Provides access to a device context for the control. | |
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Returns the edge on which another control should be docked when it is dragged over the control. | |
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Returns the control's image list containing the image to be displayed while dragging. | |
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Returns the value of the Enabled property. | |
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Returns the value of the Floating property. | |
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Returns the class used for the control when it is floating. | |
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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 a 32-bit value associated with the specified item in a list box. | |
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Returns the value of the ItemIndex property. | |
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Returns the value of the ItemIndex property. | |
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Returns the owner of a component. | |
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Returns the owner of an object. | |
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Returns the handle to a palette for use by the control. | |
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Returns the window handle for the window of the control's parent. | |
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Returns the pop-up menu associated with the control. | |
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Returns the value of the SelCount property. | |
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Returns the number of selected items. | |
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Indicates whether a particular item is selected. | |
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Generates an OnGetSiteInfo event | |
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Returns the window handle of the first window not associated with a VCL control that contains the windowed control. | |
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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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Retrieves the data associated with an item in the list box. | |
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Associates an integer with a specified item in the list box. | |
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This is InvalidateDockHostSite, a member of class TWinControl. | |
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Provides access to Automation properties and methods when the component wraps an Automation object. | |
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This is IsControlActivateMsg, a member of class TWinControl. | |
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Indicates whether a specified mouse message is directed to one of the windowed control's child controls. | |
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This is IsQualifyingSite, a member of class TWinControl. | |
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Respond to key press events. | |
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Responds when the user presses a key. | |
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Respond to released key. | |
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Initializes the component after the form file has been read into memory. | |
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Initializes the control after it is loaded from a stream. | |
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This is LoadRecreateItems, a member of class TCustomListBox. | |
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Receives Windows messages for the control. | |
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Generates an OnMeasureItem event. | |
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This is MouseActivate, a member of class TControl. | |
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OnMouseDown event dispatcher. | |
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Respond to mouse moving over control area.. | |
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OnMouseUp event dispatcher. | |
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Responds to notifications that components are being created or destroyed. | |
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Sends a message to all the child controls. | |
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Paints each of the child controls in a windowed control using the specified device context. | |
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Responds to WM_PAINT messages. | |
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Renders the image of a windowed control. | |
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Responds to changes in the system's palette by realizing the control's palette. | |
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Responds to changes in the system's palette by realizing the control's palette and the palette for each child control. | |
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Responds when the component is created from the component palette. | |
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Positions the docking rectangle according to the current drag-and-dock state. | |
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Returns a reference to a specified interface if the object supports that interface. | |
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This is ReadBitmaps, a member of class TDirectoryListBox. | |
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This is ReadDirectoryNames, a member of class TDirectoryListBox. | |
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This is ReadState, a member of class TComponent. | |
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Prepares the control for having its properties assigned values read from a stream. | |
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Prepares the control for having its properties assigned values from a stream. | |
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Recreate underlying Windows screen object. | |
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Reloads a docked control. | |
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This is RemoveWindowProps, a member of class TWinControl. | |
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Instructs the parent of a control to reposition the control, enforcing its Align property. | |
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Removes all of the items from a list box. | |
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Restores the input method editor (IME) that was active when the application started. | |
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Directs the composition window of the input method editor (IME) to perform a specific action. | |
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Respond to control resize. | |
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This is SaveRecreateItems, a member of class TCustomListBox. | |
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This is ScaleConstraints, a member of class TControl. | |
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Rescale child controls only. | |
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Locates first selectable child control. | |
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Moves the input focus from the current child control to the next one in the tab order. | |
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Cancels the modal state of the control. | |
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Sends a Windows message to the control's host dock site. | |
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This is SetAncestor, a member of class TComponent. | |
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This is SetAutoSize, a member of class TControl. | |
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Sets the control's bi-directional mode. | |
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This is SetChildOrder, a member of class TComponent. | |
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Changes the order in which the child component appears in the list of child components returned by the GetChildren method. | |
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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 drag mode for the control. | |
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Sets the value of the Enabled property. | |
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Sets the position and font of the composition window. | |
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Sets the csInline bit of the component's ComponentState property | |
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Sets the 32-bit value associated with the specified item in a list box. | |
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Sets the value of the ItemIndex property. | |
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Gives focus to the item with a specified index. | |
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Sets the value of the MultiSelect property. | |
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Sets the MultiSelect property. | |
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Sets the value of the Name property. | |
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Sets the name of the control. | |
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Sets the parent of the control. | |
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Sets the parent of the control. | |
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This is SetParentBackground, a member of class TWinControl. | |
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Specifies whether the control uses its parent's BiDiMode. | |
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This is SetParentComponent, a member of class TComponent. | |
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Sets the parent for the control. | |
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Repositions the control in its parent's control list, thereby changing position onscreen. | |
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Moves the control to the top or bottom of the parent control's (or screen's) list of TWinControl controls. | |
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Ensures that a specified child control is visible. | |
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This is UpdateBounds, a member of class TWinControl. | |
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This is UpdateControlOriginalParentSize, a member of class TWinControl. | |
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Clears the csUpdating state in the component's ComponentState property when the component finishes updating. | |
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This is UpdateExplicitBounds, a member of class TControl. | |
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This is UpdateRecreatingFlag, a member of class TWinControl. | |
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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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Updates form User Interface State as needed | |
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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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Provides the interface for a method that responds to changes in the control's visibility. | |
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Provides specific message responses for the control. | |
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Provides specific message responses for the control. | |
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Handles Windows messages. | |
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This is WriteState, a member of class TComponent. |
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