Is Windows taskbar's auto hide feature enabled?

Want to know if the Windows taskbar's auto hide feature is enabled? Here's a simple function to check this written in C Language / C++ and Delphi.

 

Delphi CODE

 

uses ShellAPI;

(*
  Returns TRUE if taskbar auto hide is on.

  if(IsTaskBarautoHideOn)then
  begin
    // auto hide is ON
  end;
*)
function IsTaskbarAutoHideOn : boolean;
var
  ABData : TAppBarData;
begin
  ABData.cbSize := sizeof(ABData);
  Result :=
    (SHAppBarMessage(ABM_GETSTATE, ABData)
     and ABS_AUTOHIDE) > 0;
end;

Listing #1 : Delphi code. Download tbah.pas (0.36 KB).

 

C Language / C++ CODE

 

#include<shellapi.h>

//
// Returns >0 if taskbar auto hide is on.
//
int IsTaskbarAutoHideOn()
{
  APPBARDATA ABData;

  ABData.cbSize = sizeof(ABData);

  return
    SHAppBarMessage(ABM_GETSTATE, &ABData)
    & ABS_AUTOHIDE;
}

Listing #2 : C/C++ code. Download tbah.cpp (0.31 KB).

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