Select the Panel GameObject.
Rename it as
Attach the Draggable Panel component to it by navigating to Component | NGUI | Interaction.
Drag Effect: This is the effect used while dragging the panel to have a smoother drag.
Restrict Within Panel: This uses the parent panel to restrain the draggable panel within its clipping bounds.
Disable Drag If Fits: If the content fits the parent panel's clipping bounds, dragging will be disabled.
Smooth Drag Start: This avoids a "jump" effect on drag start.
Reposition Clipping: This repositions the Clipping to the Top Left Corner immediately.
IOS Drag Emulation: Dragging movement speed is reduced when overpassing the...