Theme Engine Online Help - TTeThemeEngine

It is the basic theme-operating component. It used for loading, switching-over, disconnecting, changing of the brightness and the contrast of a theme. The TTeThemeEngine component is necessary only in one copy for all applications, you can put it on the main form or the TDataModule form. At the same time it is possible to use only one of the ThemeBuilding, ThemeFile or ThemeIndex property for switching-over. Using TTeThemeEngine both in the performing and in the designing modes you can:

load themes from files, streams or the TTeThemeList object
switch themes on the built-in ones or disconnect themes in general
change the brightness or/and the contrast of the active theme
process events at the change of the current theme

Members

Properties

Property	Description
DeltaBrightness	The property sets the values of change of theme brightness. Using the DeltaHue and the DeltaBrightness properties it is possible to receive many of various themes from one source. The values can be from-50 up to +50. The changing of the property results in the immediate changes of the theme and repainting of all its components. If at loading of the theme its values are not equal to the default values, the changes are made with the loaded theme.
DeltaHue	Property sets the values of changing of the theme contrast. Using the DeltaHue and the DeltaBrightness properties it is possible to receive many various themes from one source. The values can be from 0 up to 255. The changing of the property results in the immediate changes of the theme and repainting of all its components. If at loading of the theme its values are not equal to the default values, the changes are made with the loaded theme.
OnThemeChanged	The event is caused at the activation of the theme, the changing of the active theme, switching off the themes.
ThemeBuilding	String property switching-over the built-in themes. In the designing mode it shows all available built-in themes in the dropdown list. In the performing mode the assignment of the value by the text line such as string is possible.
ThemeFile	Specifies a file of the theme which will be immediately loaded or be loaded at the start of the application. The filename must be specified with the extension.
ThemeIndex	Contains the theme number from the TTeThemeList object which will be immediately activezed or loaded at the start of the application. The ThemeList property must be set, and the TTeThemeList component must contain at least one theme, otherwise at the change of this property it is automatically set as -1.
ThemeList	Specifies the TTeThemeList component used for loading of the theme and switching-over by changing ThemeIndex property.

Legend

Property

Properties

Property	Description
DeltaBrightness	The property sets the values of change of theme brightness. Using the DeltaHue and the DeltaBrightness properties it is possible to receive many of various themes from one source. The values can be from-50 up to +50. The changing of the property results in the immediate changes of the theme and repainting of all its components. If at loading of the theme its values are not equal to the default values, the changes are made with the loaded theme.
DeltaHue	Property sets the values of changing of the theme contrast. Using the DeltaHue and the DeltaBrightness properties it is possible to receive many various themes from one source. The values can be from 0 up to 255. The changing of the property results in the immediate changes of the theme and repainting of all its components. If at loading of the theme its values are not equal to the default values, the changes are made with the loaded theme.
OnThemeChanged	The event is caused at the activation of the theme, the changing of the active theme, switching off the themes.
ThemeBuilding	String property switching-over the built-in themes. In the designing mode it shows all available built-in themes in the dropdown list. In the performing mode the assignment of the value by the text line such as string is possible.
ThemeFile	Specifies a file of the theme which will be immediately loaded or be loaded at the start of the application. The filename must be specified with the extension.
ThemeIndex	Contains the theme number from the TTeThemeList object which will be immediately activezed or loaded at the start of the application. The ThemeList property must be set, and the TTeThemeList component must contain at least one theme, otherwise at the change of this property it is automatically set as -1.
ThemeList	Specifies the TTeThemeList component used for loading of the theme and switching-over by changing ThemeIndex property.

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Property

Declaration

TTeThemeEngine = class(TComponent)

Class Hierarchy

TComponent
    TTeThemeEngine

File

te_engine

Links

Class Hierarchy, Members, Properties