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Ordinal position for the bitmap displayed when the button control is hot (hovered).
Source position: buttons.pp line 218
public property TCustomBitBtn.HotImageIndex : TImageIndex |
HotImageIndex is a TImageIndex property with the ordinal position for the bitmap displayed on the button when it is hot (under the mouse cursor - hovered). It refers to the position in the Images property where the associated image data is stored. The default value for the property is -1, and indicates that an explicit value has not been assigned to the property.
Added in LCL version 2.3.0. Available since version 2.4.0.