Sets the texture for the color picker's value slider thumb. The color picker's value slider displays a value gradient (and allows control of the color's value component) for whichever hue and saturation is selected in the color wheel. (In the default UI's ColorPickerFrame, this part is found to the right of the color wheel.) The thumb texture is the movable part indicating the current value selection.
texture- Reference to an existing
filename- Path to a texture image file (