RAD Studio VCL Reference
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The methods of the TWinControl class are listed here.
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Name |
Description |
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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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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 the windowed control to another object. | |
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Indicates how the control can be resized. | |
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Indicates how the control can respond to a resize attempt. | |
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Resize and reposition children and self. | |
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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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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 the underlying window. | |
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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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Provides methods to read and write the IsControl property to a stream such as a form file. | |
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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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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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Generates an OnDockOver event. | |
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Respond to receiving input focus. | |
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Respond to losing input focus | |
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Flips the control's children. | |
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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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Responds when a control is undocked from the windowed control. | |
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Undocks a control that is currently docked to the windowed 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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Returns the associated action link class. | |
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Calls a specified method for each child of the control. | |
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Returns the value of the ClientOrigin property. | |
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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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Provides access to a device context for the control. | |
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Returns the window handle for the window of the control's parent. | |
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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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This is InvalidateDockHostSite, a member of class TWinControl. | |
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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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Respond to keyboard input. | |
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Respond to released key. | |
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Receives Windows messages for the control. | |
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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 and the palette for each child control. | |
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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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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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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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Changes the order in which the child component appears in the list of child components returned by the GetChildren method. | |
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Sets the position and font of the composition window. | |
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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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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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This is UpdateRecreatingFlag, a member of class TWinControl. | |
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Updates form User Interface State as needed | |
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Provides specific message responses for the control. |
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Name |
Description |
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Sends a message to each of the child controls. | |
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Indicates whether a control can receive focus. | |
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Indicates whether a specified control exists within the control. | |
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Returns the child control located at a specified position within the control. | |
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Creates and initializes a control as the child of a specified non-VCL window. | |
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Provides message handling for all messages that the control does not fully process itself. | |
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Disables the realignment of child controls. | |
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Generates an OnDockDrop event. | |
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Decrements the reference count incremented by the DisableAlign method, eventually realigning the child controls. | |
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Returns a child control given its name. | |
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Reverses the positions of child controls. | |
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Determines whether the control has input focus. | |
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Builds a list of controls in tab order. | |
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Reports whether a screen object handle exists for the control. | |
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Creates a screen object for the control if it doesn't already exist. | |
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Inserts a control into the Controls array property. | |
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Schedules a control repaint. | |
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This is the overview for the PaintTo method overload. | |
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This is PreProcessMessage, a member of class TWinControl. | |
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Forces the control to realign children. | |
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Removes a specified control from the Controls array. | |
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Repaints the entire control. | |
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Rescale control and its children. | |
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Scroll control contents. | |
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Sets the windowed control's boundary properties all at once. | |
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Makes a control visible at design time. | |
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Gives the input focus to the control. | |
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Forces the control to update. | |
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Respond to state change. |
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