A window treatment adjustment assembly is provided that includes a slider having a base movable along a portion of the frame. A handle extends from the base. A pocket is formed in the screen and includes: a pocket frame attached to the screen to form an opening through the screen; a shroud member attached to at least a portion of the pocket frame. The handle of the slider extends through the opening of the pocket and past the shroud member. The base of the slider is in communication with a mechanism that moves the window treatment.