Active property
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Active property
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| acHeader, acHeaderPanel, acPicturePanel and acSplitterPanel components as sub-property of Background structure.
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| property Active: Boolean;
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| The Active property of Background structure specifies whether the control should have custom background (gradient or picture).
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| Set Active to True to show the custom background (with smooth gradient effect or wallpaper specified in Picture property). Otherwise, set it to False to show standard single-tone background with color specified in Color property of control.
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| To specify the kind of background (gradient or picture) — use Kind property.
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 Alternatively, for better customization, you can use OnPaint event.
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| Kind property;
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| OnPaint event.
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