IFormControl

Assembly: Forms;

Description

The IFormControl interface contains properties and methods of a custom form.

Comments

It is used only in the desktop application.

Inheritance Hierarchy

          IComponent

          IControl

          IFormControl

Properties

  Property name Brief description
The ActiveControl property determines the component that was the last focused component on the form.
The BorderStyle property determines a component border style.
The Constraints property sets constraints on the component sizes in pixels.
The Icon property determines the custom icon that is displayed in the form header.
The MainMenu property determines a main menu of the form.
The MaxTabLength property determines the maximum allowed header length of the MDI child form. If this length is exceeded in the header of tab that corresponds to this form, the shortened header is displayed.
The MDIActive property determines the MDI child form that is active at the moment.
The MDIChildCount property returns the number of MDI child forms.
The MDIChildren property returns parameters of the MDI child form.
The MDITabLocation property determines location of the tabs of the MDI child windows in the area of the main MDI form.
The MDITabMenu property determines the context menu that is called in the area of tabs that correspond to the MDI child forms.
The ModalResult property determines result of form execution.
The ParentWindow property returns parent window.
The Position property determines position of the form window on the screen.
The Resources property determines the resources object, from which the text and graphic values are taken for form components.
The ShowOnTaskbar property determines whether the form icon is displayed in the taskbar when the form is executed.
The StartupObject property returns the description of the object that is started directly from object.
The ToolbarPopupMenu property determines the context menu that is displayed on clicking the additional mouse button in the main menu area or in the form toolbars area.
The TopMost property determines how the form is placed relative to other windows during its execution.
The WindowState property determines state of the form on the screen during startup.
The WindowStyle property determines a form style.

Properties inherited from IControl

  Property name Brief description
Align The Align property determines component alignment within its parent component.
AllowDrag The AllowDrag property determines whether an object can be dragged from a component.
AllowDrop The AllowDrop property determines whether a component can accept a dragged object.
Anchors The Anchors property returns settings determining % of the resize for the current component when the parent component is resized.
Brush The Brush property determines the brush that is used to fill the component area.
ClientHeight The ClientHeight property determines the height of the client component area.
ClientWidth The ClientWidth property determines the width of the client component area.
Color The Color property determines a component background color.
Cursor The Cursor property determines how the cursor looks like when is it hovered over a component during form execution.
Enabled The Enabled property determines whether a component is available for the user.
Focused The Focused property returns True if the focus is set to the component.
Font The Font property determines parameters of the font that is used to display text in a component.
Height The Height property determines component height in pixels.
HelpContext The HelpContext property determines a unique index for a section of a context help for this component.
Hint The Hint property determines a tooltip text displayed on hovering over a component.
HintTimeout The HintTimeout property determines for how long a tooltip is displayed.
Left The Left property determines a coordinate of the component left edge in pixels.
Parent The Parent property determines a parent component.
ParentColor The ParentColor property determines whether a component inherits the color of the parent component.
ParentFont The ParentFont property determines whether a component uses the font of the parent component.
ParentShowHint The ParentShowHint property determines when a tooltip is displayed.
PopupMenu The PopupMenu property determines the context menu that opens when the component is clicked with the right mouse button.
Scrolls The Scrolls property returns parameters of component's scrollbars.
ShowHint The ShowHint property determines whether a tooltip is displayed when a component is hovered.
TabOrder The TabOrder property determines a component position in a tab order.
TabStop The TabStop property determines whether the component must be focused when the Tab button is pressed.
Text The Text property determines a row identifying a component for the user.
Top The Top property determines a coordinate of the component top edge in pixels.
Visible The Visible property determines whether the component is displayed when a form is executed.
Width The Width property determines horizontal size of a component in pixels.

Properties inherited from IComponent

  Property name Brief description
ComponentCount The ComponentCount property returns the number of child components located on the parent component.
Components The Components property returns the child component, which index is passed by the input parameter.
Data The Data property is used to store any custom data.
Name The Name property determines a component name.
Tag The compiler does not use the Tag property. The user can change the value of the Tag property and use it as he wishes.

Methods

  Method name Brief description
BeginOperation The BeginOperation method activates the status bar, which displays text, timer and animated progress bar.
BeginUpdate The BeginUpdate method deactivates form rerendering.
Close The Close method closes a form.
EndOperation The EndOperation method deactivates process indicator.
EndUpdate The EndUpdate method resumes form rerendering.
EnterContextHelpMode The EnterContextHelpMode method turns a form in the help display mode.
FreeComponent The FreeComponent method enables the user to visually remove a component.
LoadState The LoadState method loads parameters of the form controls from the registry.
MDICascade The MDICascade method places all child windows in the cascade mode.
MDIIconArrange The MDIIconArrange method arranges all minimized MDI child forms.
MDIMaximize The MDIMaximize method maximizes the specified MDI child form within the parent form.
MDIMinimize The MDIMinimize method minimizes the specified MDI child form within the parent form.
MDINext The MDINext method activates a window of the next MDI child form.
MDIPrev The MDIPrev method activates a window of the previous MDI child form.
MDIRestore The MDIRestore method restores the initial sizes of the window of the specified MDI child form.
MDITile The MDITile method forms all child windows in the specified order.
PostCommand The PostCommand method enables sending a command to a form.
SaveState The SaveState method saves parameters of the form controls in the registry.
SendCommand The SendCommand methods enables sending the command to a form and get result of its execution.
SetOperationText The SetOperationText method changes the text that is displayed in the status bar.
ShowModal The ShowModal method enables the user to open modally the form, for which this method is called.

Methods inherited from IControl

   Method name Brief description
ClientToScreen The ClientToScreen method converts point coordinates specified relative to the component's coordinate system into screen coordinates.
DoDragDrop The DoDragDrop method enables the user to start dragging operation.
GetImage The GetImage method returns a graphic presentation of a component together with all child components.
ScreenToClient The ScreenToClient method converts point's screen coordinates into coordinates specified relative to the component's coordinate system.
SetFocus The SetFocus method sets focus to this component.

See also:

Forms Assembly Interfaces