MsExpressionEdit

Assembly: Ms;

Description

The MsExpressionEdit class implements the MsExpressionEdit development environment component.

Inheritance Hierarchy

          IComponent

          IControl

          ICustomEdit

          ITermEdit

          IMsExpressionEdit

          MsExpressionEdit

Comments

The MsExpressionEdit component is used to edit expression and contains a tooltip for used functions and methods.

Properties inherited from IMsExpressionEdit

  Property name Brief description
The Expression property determines expression edited in the  MsExpressionEditcomponent.
The FormulaTermList property determines term collection available in the  MsExpressionEditcomponent.
The FormulaTransform property determines parameters of the model to which the  MsExpressionEditcomponent is set up.
The HeavyDelimiters property determines expression delimiter.
The LightDelimiters property determines the delimiter for words of the same term.
The MaxTermWordCount property sets maximum number of words in a term.
The Rubricator property determines the time series database, which attributes are available in the MsExpressionEditcomponent.
The SelectionSet property determines selection of time series database attributes.
The UseFullVariableNames property determines whether to use full operand names.

Properties inherited from ITermEdit

  Property name Brief description
The EnableHyperlinks property determines whether expression can be displayed as a hyperlink.
The Formula property determines expression formula.
The Hyperlink property determines whether selected expression is displayed as a hyperlink.
The Terms property returns collection of component terms.
The WantReturns property determines whether it is possible to insert a carriage return character in the edited text.
The WantTabs property determines whether it is possible to insert a tab character in the edited text.
The WordWrap property determines whether the words that are longer than component length should be wrapped to a new line.

Properties inherited from ICustomEdit

  Property name Brief description
The AutoSelect property determines whether all component text is selected when component gets focus.
The BorderStyle property determines component border style.
The CanUndo property returns True if it is possible to undo text changes in the component.
The CharacterCasing property determines the case of entered component characters.
The HideSelection property determines whether selected component text should remain selected on transferring focus to another component.
The MaxLength property determines the maximum length of entered text.
The Modified property returns True if the component text has been changed.
The ReadOnly property determines whether the user is allowed to change component text.
The SelLength property determines length of the selected component text in characters.
The SelStart property determines the position to start text selection in the component.
The SelText property determines text selected in the component.

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 the dragged object can be taken from the component.
AllowDrop The AllowDrop property determines whether the component can take the dragged object.
Anchors The Anchors property returns the settings that determine the percentage of size change of the current component when the parent component size changes.
Brush The Brush property determines a brush used for component area fill.
ClientHeight The ClientHeight property determines a component client area height.
ClientWidth The ClientWidth property determines a component client area width.
Color The Color property determines a component background color.
Cursor The Cursor property determines a type of cursor displayed on mouseover on the component during form execution.
Enabled The Enabled property determines whether a component is available for the user.
Focused The Focused property returns True if this component is focused.
Font The Font property determines parameters of the font that is used to display text in the component.
Height The Height property determines component height in pixels.
HelpContext The HelpContext property determines a unique index of context-dependent help section for this component.
Hint The Hint property determines a tooltip text displayed on mouseover on the component.
HintTimeout The HintTimeout property determines tooltip display time.
Left The Left property determines a coordinate of the component's left edge in pixels.
Parent The Parent property determines a parent component.
ParentColor The ParentColor property determines whether a parent component color will be used for the component.
ParentFont The ParentFont property determines whether a parent component font will be used for the component.
ParentShowHint The ParentShowHint property determines when a tooltip is displayed.
PopupMenu The PopupMenu property determines a context menu that will be displayed on right mouse click on the component.
Scrolls The Scrolls property returns component scrollbar parameters.
ShowHint The ShowHint property determines whether a tooltip is displayed on mouseover on the component.
TabOrder The TabOrder property determines a component position in the tab sequence.
TabStop The TabStop property determines whether the component should get focus on clicking the Tab button.
Text The Text property determines a string that identifies the component for the user.
Top The Top property determines a coordinate of the component's top edge in pixels.
Visible The Visible property determines component visibility during for execution.
Width The Width property determines horizontal size of the 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 property, 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 Tag property is not used by the compiler. The user can change the value of this property and use it at his own discretion.

Methods inherited from IMsExpressionEdit

  Method name Brief description
AddStub The AddStub method adds a cube as a data source of MsExpressionEdit.
The AddAttribute method adds the attribute, which values are used to create series in the component.
The ClearAttributes method deletes all attributes, added for using in the component.
The GetAttributeCount method returns the number of the attributes, available for using in the component.
The RemoveAttribute method deletes the selected attribute from the attributes list, the values of which are used in the component.

Methods inherited from ITermEdit

  Method name Brief description
The BeginUpdate method disables a set of internal mechanisms for accelerating insertion of terms into the component.
The EndUpdate method restores work of internal mechanisms of the component, which were disabled for acceleration of insertion of terms into the component.
The PutCustom method places custom term to selected position.
The PutLiteral method places literal term to selected position.
The PutTerm method inserts term to selected position.
The Reparse method transforms editor text and redistribution of terms in the components.

Methods inherited from ICustomEdit

  Method name Brief description
The Clear method deletes all text in the component.
The ClearSelection method deletes selected text in the component.
The ClearUndo method fixes the changes of the Text property.
The CopyToClipboard method copies selected data to clipboard.
The CutToClipboard method cuts selected data to clipboard.
The PasteFromClipboard method pastes data from clipboard.
The SelectAll method selects all text in the component.
The Undo method cancels last text change in the component.

Methods inherited from IControl

  Method name Brief description
ClientToScreen The ClientToScreen method transforms coordinates of the point specified relative to the component coordinate system into screen coordinates.
DoDragDrop The DoDragDrop method starts drag-and-drop operation.
GetImage The GetImage method returns component's graphic image with all child components.
ScreenToClient The ScreenToClient method transforms point's screen coordinates to coordinates specified relative to the component coordinate system.
SetFocus The SetFocus method sets focus on this component.

Events

  Event name Brief description
OnUpdateFormula The OnUpdateFormula event that occurs on converting the external presentation of expression to the internal one.
OnUpdateText The OnUpdateText event occurs on converting the internal presentation of expression into the external one.

Events inherited from IControl

  Event name Brief description
The OnBeginDrag event occurs for a component, when a user starts to drag an object from the component.
The OnClick event occurs if the user clicks the component area.
The OnControlMove event occurs when a component is moved.
The OnControlResize event occurs when a component is resized.
The OnDblClick event occurs if the user double-clicks the component area.
The OnDragDrop event occurs for a component if a user drops a dragged object over it.
The OnDragEnter event occurs when a dragged object enters the component area.
The OnDragLeave event occurs when a dragged object leaves the borders of this component.
The OnDragOver event occurs for a component when a user drags a dragged object over it.
The OnEnter event occurs when a component receives focus.
The OnExit event occurs when a component loses focus.
The OnHScroll event occurs when horizontal scrollbar slider changes its position.
The OnKeyDown event occurs if the component is focused and a keyboard key is pressed.
The OnKeyPress event occurs if a component is focused when a user presses a character key.
The OnKeyPreview event occurs prior to each event requiring clicking.
The OnKeyUp event occurs if a component is focused and a user releases any button previously pressed.
The OnMouseDown event occurs when the pointer is in component area and a mouse button is pressed.
The OnMouseEnter event occurs when mouse cursor enters the component area.
The OnMouseHover event occurs when mouse cursor is held in the component area.
The OnMouseLeave event occurs when mouse cursor leaves the component area.
The OnMouseMove event occurs on moving the cursor over component.
The OnMouseUp event occurs on releasing mouse button when the cursor is in component area.
The OnMouseWheel event occurs if the component has focus when the mouse wheel is rotated.
The OnVScroll event occurs when position of vertical scrollbar slider is changed.

See also:

Ms Assembly Classes