The ExpressionEditEx component is similar to the the ExpressionEdit component. Working with the component is identical to working with the ExpressionEdit component.
NOTE. The ExpressionEdit component and the ExpressionEditEx component differ in their internal implementation.
| Property name | Brief description | |
| Align | The Align property determines the behavior of the component, when the size of its parent component is changed. | |
| AllowDrag | The AllowDrag property determines whether an object can be dragged from the component. | |
| AllowDrop | The AllowDrop property determines whether the component can accept a dragged object. | |
| Anchors | The Anchors property returns settings that determine the percentage of the size change for the current component when the parent component is resized. | |
| AutoReparsing | The AutoReparsing property determines, whether the text should be automatically transformed into terms and operands. | |
| AutoSelect | The AutoSelect property determines, whether all the text of a component must be selected, when a component receives focus. | |
| BorderStyle | The BorderStyle property determines the style of a component border. | |
| Brush | The Brush property specifies the brush used to fill the component area. | |
| CanUndo | The CanUndo property returns True, if it is possible to undo text changes in the component. | |
| CharacterCasing | The CharacterCasing property determines the case of the entered characters. | |
| ClientHeight | The ClientHeight property is used to receive or specify the height of the component’s client space. | |
| ClientWidth | The ClientWidth property is used to receive or specify the width of the component’s client space. | |
| Color | The Color property determines the background color of a component. | |
| ComponentCount | The ComponentCount property returns the number of child components. | |
| Components | The Components property returns the child component. | |
| Cursor | The Cursor property determines the look of the cursor over the component. | |
| Data | The Data property is used to store any custom data. | |
| DirectInput | The DirectInput property determines the possibility of direct input. | |
| Enabled | The Enabled property determines whether the component is available for the user. | |
| EnableHyperlinks | The EnableHyperlinks property determines whether it is possible to display a term as a hyperlink. | |
| Expression | The Expression property determines the expression located in the component. | |
| Focused | The Focused property returns True, if the focus is set on the component. | |
| Font | The Font property determines the set of characteristics, describing the font, used to display text. | |
| Formula | The Formula property determines the term formula. | |
| Height | The Height property determines the component height. | |
| HelpContext | The HelpContext property determines a unique index for the context help section for this component. | |
| HideSelection | The HideSelection property determines, whether the selected component text should remain the same, when the focus goes to another component. | |
| Hint | The Hint property determines the hint text for the component. | |
| Hyperlink | The Hyperlink property determines, whether the expression, the index of which is an input parameter, is a hyperlink. | |
| Left | The Left property determines the coordinate of the left border of the component. | |
| MaxLength | The MaxLength property determines the maximum length of the entered text. | |
| Modified | The Modified property returns True, if the component text has been changed. | |
| Name | The Name property determines the component name. | |
| Parent | The Parent property determines the parent component. | |
| ParentColor | The ParentColor property determines whether the component inherits the color of the parent component. | |
| ParentFont | The ParentFont property determines whether the component should use the font of the parent component. | |
| ParentShowHint | The ParentShowHint property determines when a tooltip is displayed. | |
| PopupMenu | The PopupMenu property determines the context menu to be displayed on right-click. | |
| ReadOnly | The ReadOnly property determines, whether a user is able to change the component text. | |
| Scrolls | The Scrolls property returns parameters of component's scrollbars. | |
| SelLength | The SelLength property determines the number of characters selected in the component text. | |
| SelStart | The SelStart property determines the position of the cursor from which to start text selection in the component. | |
| SelText | The SelText property determines text, selected in the component. | |
| ShowHint | The ShowHint property enables and disables showing a hint for the component. | |
| TabOrder | The TabOrder property determines the component position in the tab order. | |
| TabStop | The TabStop property determines whether the focus is set to a component when the TAB key is pressed. | |
| Tag | The Tag property is not used by the compiler. A user can change the value of the Tag property and use it as he wishes. | |
| Terms | The Terms property returns the terms collection. | |
| Text | The Text property determines the row identifying a component for user. | |
| Top | The Top property determines the coordinate of the top border of the component. | |
| Visible | The Visible property determines the visibility of the component during execution. | |
| WantReturns | The WantReturns property determines whether it should be possible to insert a carriage return symbol into the edited text. | |
| WantTabs | The WantTabs property determines whether it should be possible to insert a tab symbol into the edited text. | |
| Width | The Width property determines the component width. | |
| WordWrap | The WordWarp property determines, whether the lines exceeding component length should be wrapped to a new line. |
| Method name | Brief description | |
| BeginUpdate | The BeginUpdate method disables a set of internal mechanisms for accelerating insertion of terms into the component. | |
| BringToFront | The BringToFront method brings a component to front. | |
| Clear | The Clear method deletes all the text in the input field. | |
| ClearSelection | The ClearSelection method deletes the records, selected in the input field. | |
| ClearUndo | The ClearUndo method is used to fix the changes of the Text property. | |
| ClientToScreen | The ClientToScreen method converts point coordinates relative to component coordinates into display coordinates. | |
| CopyToClipboard | The CopyToClipboard method allows to copy the selected data to clipboard. | |
| CutToClipboard | The CutToClipboard method allows to cut the selected data and place it to clipboard. | |
| DoDragDrop | The DoDragDrop method allows to start drag-and-drop operation. | |
| EndUpdate | The EndUpdate method restores work of internal mechanisms of the component, which were disabled for acceleration of insertion of terms into the component. | |
| GetImage | The GetImage method returns the image of the component with all the child components. | |
| PasteFromClipboard | The PasteFromClipboard method pastes data from clipboard. | |
| PutCustom | The PutCustom method allows to place the user-defined term into the specified position, after which it returns the term index in the collection. | |
| PutLiteral | The PutLiteral method allows to place the literal term into the specified position, after which it returns the term index in the collection. | |
| PutTerm | The PutTerm method allows to place the term into the specified position, after which it returns the term index in the collection. | |
| Reparse | The Reparse method transforms editor text and redistributes terms in the component. | |
| ScreenToClient | The ScreenToClient method converts screen coordinates of a point to coordinates specified relative to the component coordinate system. | |
| SelectAll | The SelectAll method selects all the controls. | |
| SendToBack | The SendToBack method sends a component to back. | |
| SetFocus | The SetFocus method sets focus to this component. | |
| Undo | The Undo method allows to undo all the changes in the Text property after the last time the ClearUndo method was invoked. | |
| UpdateExpression | The UpdateExpression method updates the expression. |
| Event name | Brief description | |
| OnBeginDrag | The OnBeginDrag event occurs for a component, when a user starts to drag an object from the component. | |
| OnChange | The OnChange event occurs after changing the Text property of the editing component. | |
| OnClick | The OnClick event occurs if a user clicks a component area using the main mouse button. | |
| OnDblClick | The OnDblClick event occurs if a user double-clicks a component area using the mouse button. | |
| OnDragDrop | The OnDragDrop event occurs for a component if a user drops a dragged object over it. | |
| OnDragEnter | The OnDragEnter event occurs when a dragged object crosses the borders of this component. | |
| OnDragLeave | The OnDragLeave event occurs when a dragged object leaves the borders of this component. | |
| OnDragOver | The OnDragOver event occurs for this component when a user drags a dragged object over it. | |
| OnEnter | The OnEnter event occurs when a component receives focus. | |
| OnExit | The OnExit event occurs when a component loses focus. | |
| OnHScroll | The OnHScroll event occurs when the horizontal scrollbar slider changes its position. | |
| OnHyperlink | The OnHyperlink event occurs on clicking on the term hyperlink in the expression. | |
| OnKeyDown | The OnKeyDown event occurs if a component is focused and a keyboard key is pressed. | |
| OnKeyPress | The OnKeyPress event occurs if a component is focused when a user presses a character key. | |
| OnKeyPreview | The OnKeyPreview event occurs prior to each event requiring clicking. | |
| OnKeyUp | The OnKeyUp event occurs if a component is focused and a user releases any button previously pressed. | |
| OnMouseDown | The OnMouseDown event occurs when the pointer is in component area and a mouse button is pressed. | |
| OnMouseEnter | The OnMouseEnter event occurs when mouse cursor enters the component area. | |
| OnMouseHover | The OnMouseHover event occurs when mouse cursor is held in the component area. | |
| OnMouseLeave | The OnMouseLeave event occurs when mouse cursor leaves the component area. | |
| OnMouseMove | The OnMouseMove event occurs on moving the cursor over component. | |
| OnMouseUp | The OnMouseUp event occurs on releasing mouse button when the cursor is in component area. | |
| OnMouseWheel | The OnMouseWheel event occurs if the component has focus when the mouse wheel is rotated. | |
| OnParseTerm | The OnParseTerm event occurs when the editor text is transformed into terms and operands. | |
| OnVScroll | The OnVScroll event occurs when the vertical scrollbar slider changes its position. |
See also: