XIQueryPointer

function XIQueryPointer(

  display: PDisplay;

  deviceid: cint;

  win: TWindow;

  root: PWindow;

  child: PWindow;

  root_x: Pcdouble;

  root_y: Pcdouble;

  win_x: Pcdouble;

  win_y: Pcdouble;

  buttons: PXIButtonState;

  mods: PXIModifierState;

  group: PXIGroupState

):TBoolResult;