vcl-dxrangecontrol-dot-tdxrangecontroldatetimeheaderclientproperties-dot-underscore-members.md
A Date/Time Header range selection and visualization model.
| Name | Description |
|---|---|
| Create(TPersistent) | Creates a new TcxOwnedPersistent class descendant instance. Inherited from TcxOwnedPersistent. |
| Name | Description |
|---|---|
| ActualPrimaryScale protected | Returns the date/time scale instance used as the primary scale on the range control‘s ruler provided by the date/time header client. Inherited from TdxRangeControlCustomDateTimeClientProperties. |
| AutoFormatHelper | Specifies the class-reference to a helper class that provides the automatic scale formatting functionality. Inherited from TdxRangeControlCustomDateTimeHeaderClientProperties. |
| AutoFormatScaleCaptions | Specifies if the scale label formatting is automatically changed in response to zooming the selectable range in or out. Inherited from TdxRangeControlCustomDateTimeHeaderClientProperties. |
| MaxValue | Specifies the highest selectable value within the range control. Inherited from TdxRangeControlCustomClientProperties. |
| MinValue | Specifies the lowest selectable value within the range control. Inherited from TdxRangeControlCustomClientProperties. |
| Owner protected | Provides access to the persistent object to which the current property set or persistent information container belongs. Inherited from TcxOwnedPersistent. |
| PrimaryScale | Specifies the primary scale on the range control‘s ruler provided by the date/time header client. Inherited from TdxRangeControlCustomDateTimeClientProperties. |
| ScaleInterval protected | Specifies the interval between scale tickmarks on the range control‘s ruler. Inherited from TdxRangeControlCustomClientProperties. |
| ScaleIntervalMinWidth | |
| Scales | Provides access to all scales that can be displayed on the range control‘s ruler provided by a date/time client. Inherited from TdxRangeControlCustomDateTimeClientProperties. |
| Style | Provides access to the appearance settings of the range control’s UI elements displayed by the data range selection and visualization model. Inherited from TdxRangeControlCustomClientProperties. |
| Name | Description |
|---|---|
| _AddRef protected | The reference counter increment function of the interfaced property set. Inherited from TcxOwnedInterfacedPersistent. |
| _Release protected | The reference counter decrement function of the interfaced property set. Inherited from TcxOwnedInterfacedPersistent. |
| Assign(TPersistent) | Updates the persistent information from the specified source. Inherited from TcxOwnedPersistent. |
| AssignTo(TPersistent) | Inherited from TPersistent. |
| DoAssign(TPersistent) protected | Updates the persistent information container’s class-specific properties with the corresponding values obtained from another persistent information container. Inherited from TcxOwnedPersistent. |
| Equals(TObject) | Inherited from TObject. |
| GetHashCode | Inherited from TObject. |
| GetInterval(Double,Double) | Obtains the actual data range from the two specified range control’s viewport coordinates. Inherited from TdxRangeControlCustomClientProperties. |
| GetMinSelectedInterval | Returns the minimal selectable range for a Date/Time Header-based data range selection and visualization model. Inherited from TdxRangeControlCustomDateTimeHeaderClientProperties. |
| GetNamePath | Inherited from TPersistent. |
| GetNearestNormalizedAcceptableValue(Double) | Returns the nearest selectable date/time value (as the corresponding range control‘s viewport coordinate) from the specified range control’s viewport coordinate. Inherited from TdxRangeControlCustomDateTimeClientProperties. |
| GetNextNormalizedAcceptableValue(Double,Variant,Boolean) | Returns the viewport position of a value separated from the specified viewport position by a specific data range. Inherited from TdxRangeControlCustomClientProperties. |
| GetNormalizedValue(Variant) | Returns the range control’s viewport coordinate corresponding to the specified value within the selectable range. Inherited from TdxRangeControlCustomClientProperties. |
| GetOwner protected | Returns the persistent object to which the current property set or persistent information container belongs. Inherited from TcxOwnedPersistent. |
| IsRangeEmpty | Identifies if the range control is empty. Inherited from TdxRangeControlCustomClientProperties. |
| QueryInterface(TGUID,Untyped) protected | Provides access to the implementation of the specified interface if the current persistent property set or information container supports it. Inherited from TcxOwnedInterfacedPersistent. |
| ToString | Inherited from TObject. |
| Name | Description |
|---|---|
| OnGetLabelText protected | Enables you to provide custom labels for date/time scales displayed on the range control‘s ruler. Inherited from TdxRangeControlCustomDateTimeClientProperties. |
See Also