/// <summary>
/// The AdjustWorkingAreaForAutoHide function defines the working area depending of TaskBar position and AutoHide status
/// </summary>
/// <param name="monitorContainingApplication">The monitor that overlaps the window</param>
/// <param name="mmi">The MINMAXINFO structure of a maximized window</param>
/// <returns>Returns MINMAXINFO structure for a maximized window</returns>
private MINMAXINFO AdjustWorkingAreaForAutoHide(IntPtr monitorContainingApplication, MINMAXINFO mmi)
{
// Get a handle to the top-level window whose class name and window name match the "Shell_TrayWnd" string
IntPtr hwnd = FindWindow("Shell_TrayWnd", null);
if (hwnd == null) return mmi;
// Get a handle to the monitor that overlaps the window or the nearest
IntPtr monitorWithTaskbarOnIt = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
if (!monitorContainingApplication.Equals(monitorWithTaskbarOnIt)) return mmi;
// Gets the structure with information about a system appbar message
APPBARDATA abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = hwnd;
// Send an appbar message to the system
SHAppBarMessage((int)ABMsg.ABM_GETTASKBARPOS, ref abd);
// Define the AutoHide status of TaskBar
bool autoHide = System.Convert.ToBoolean(SHAppBarMessage((int)ABMsg.ABM_GETSTATE, ref abd));
if (!autoHide) return mmi;
// Get a position of TaskBar
int uEdge = GetEdge(abd.rc);
// Get a size of window depending of TaskBar position
switch (uEdge)
{
case (int)ABEdge.ABE_LEFT:
mmi.MaxPosition.X += 2;
mmi.MaxTrackSize.X -= 2;
mmi.MaxSize.X -= 2;
break;
case (int)ABEdge.ABE_RIGHT:
mmi.MaxSize.X -= 2;
mmi.MaxTrackSize.X -= 2;
break;
case (int)ABEdge.ABE_TOP:
mmi.MaxPosition.Y += 2;
mmi.MaxTrackSize.Y -= 2;
mmi.MaxSize.Y -= 2;
break;
case (int)ABEdge.ABE_BOTTOM:
mmi.MaxSize.Y -= 2;
mmi.MaxTrackSize.Y -= 2;
break;
default:
return mmi;
}
return mmi;
}
private static MINMAXINFO AdjustWorkingAreaForAutoHide(IntPtr monitorContainingApplication, MINMAXINFO mmi)
{
IntPtr hwnd = FindWindow("Shell_TrayWnd", null);
if (hwnd == null)
return mmi;
IntPtr monitorWithTaskbarOnIt = MonitorFromWindow(hwnd, MonitorOptions.MONITOR_DEFAULTTONEAREST);
if (!monitorContainingApplication.Equals(monitorWithTaskbarOnIt))
return mmi;
APPBARDATA abd = new APPBARDATA();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = hwnd;
SHAppBarMessage((int)ABMsg.ABM_GETTASKBARPOS, ref abd);
int uEdge = GetEdge(abd.rc);
bool autoHide = System.Convert.ToBoolean(SHAppBarMessage((int)ABMsg.ABM_GETSTATE, ref abd));
if (!autoHide)
return mmi;
switch (uEdge)
{
case (int)ABEdge.ABE_LEFT:
mmi.ptMaxPosition.X += 2;
mmi.ptMaxTrackSize.X -= 2;
mmi.ptMaxSize.X -= 2;
break;
case (int)ABEdge.ABE_RIGHT:
mmi.ptMaxSize.X -= 2;
mmi.ptMaxTrackSize.X -= 2;
break;
case (int)ABEdge.ABE_TOP:
mmi.ptMaxPosition.Y += 2;
mmi.ptMaxTrackSize.Y -= 2;
mmi.ptMaxSize.Y -= 2;
break;
case (int)ABEdge.ABE_BOTTOM:
mmi.ptMaxSize.Y -= 2;
mmi.ptMaxTrackSize.Y -= 2;
break;
default:
return mmi;
}
return mmi;
}
