TTMSFNCRGBTrackBar Class
Track bar subclass used internally by the color wheel to select individual RGB channel values. Exposes a uniform
Valueproperty and position helpers across FMX, VCL, and Web platforms.
API unit family: TMSFNCColorWheel
Inherits from: TTrackBar
Syntax
TTMSFNCRGBTrackBar = class(TTrackBar)
Properties
| Name | Description |
|---|---|
| Left | Horizontal position of the track bar in pixels within its parent. |
| Top | Vertical position of the track bar in pixels within its parent. |
| Value | Current value of the track bar expressed as a single-precision float in the range [0..255]. Maps directly to the RGB channel value for the color wheel. |