public Taskbar()
{
IntPtr taskbarHandle = User32.FindWindow(ClassName, null);
APPBARDATA data = new APPBARDATA
{
cbSize = (uint)Marshal.SizeOf(typeof(APPBARDATA)),
hWnd = taskbarHandle
};
IntPtr result = Shell32.SHAppBarMessage(ABM.GetTaskbarPos, ref data);
if (result != IntPtr.Zero)
{
Position = (TaskbarPosition)data.uEdge;
Bounds = Rectangle.FromLTRB(data.rc.left, data.rc.top, data.rc.right, data.rc.bottom);
data.cbSize = (uint)Marshal.SizeOf(typeof(APPBARDATA));
result = Shell32.SHAppBarMessage(ABM.GetState, ref data);
int state = result.ToInt32();
AlwaysOnTop = (state & ABS.AlwaysOnTop) == ABS.AlwaysOnTop;
AutoHide = (state & ABS.Autohide) == ABS.Autohide;
}
else
{
Position = TaskbarPosition.Unknown;
}
}
public Taskbar()
{
IntPtr taskbarHandle = User32.FindWindow(Taskbar.ClassName, null);
APPBARDATA data = new APPBARDATA();
data.cbSize = (uint)Marshal.SizeOf(typeof(APPBARDATA));
data.hWnd = taskbarHandle;
IntPtr result = Shell32.SHAppBarMessage(ABM.GetTaskbarPos, ref data);
if (result == IntPtr.Zero)
{
throw new InvalidOperationException();
}
this.Position = (TaskbarPosition)data.uEdge;
this.Bounds = Rectangle.FromLTRB(
data.rc.left,
data.rc.top,
data.rc.right,
data.rc.bottom
);
data.cbSize = (uint)Marshal.SizeOf(typeof(APPBARDATA));
result = Shell32.SHAppBarMessage(ABM.GetState, ref data);
int state = result.ToInt32();
this.AlwaysOnTop = (state & ABS.AlwaysOnTop) == ABS.AlwaysOnTop;
this.AutoHide = (state & ABS.Autohide) == ABS.Autohide;
}
public static void AdjustForAutoHideTaskbar(IntPtr hAppMonitor, ref RECT workspace)
{
// NOTE: for xp the adjustment for autohidden taskbar makes maximized window movable
// but I don't know the way to fix it.
IntPtr htaskbar = User32.FindWindow("Shell_TrayWnd", null);
if (htaskbar != IntPtr.Zero)
{
IntPtr monitorWithTaskbarOnIt = User32.MonitorFromWindow(htaskbar, MonitorOption.MONITOR_DEFAULTTONEAREST);
if (hAppMonitor.Equals(monitorWithTaskbarOnIt))
{
APPBARDATA abd = new APPBARDATA();
abd.cbSize = (uint)Marshal.SizeOf(abd);
abd.hWnd = htaskbar;
bool autoHide = (Shell32.SHAppBarMessage(AppBarMessage.ABM_GETSTATE, ref abd).ToUInt32() & ABS_AUTOHIDE) == ABS_AUTOHIDE;
if (autoHide)
{
Shell32.SHAppBarMessage(AppBarMessage.ABM_GETTASKBARPOS, ref abd);
var uEdge = GetEdge(ref abd.rc);
switch (uEdge)
{
case AppBarEdge.ABE_LEFT:
workspace.left += 2;
break;
case AppBarEdge.ABE_RIGHT:
workspace.right -= 2;
break;
case AppBarEdge.ABE_TOP:
workspace.top += 2;
break;
case AppBarEdge.ABE_BOTTOM:
workspace.bottom -= 2;
break;
}
}
}
}
}
public Taskbar(WindowHandle taskbarWindowHandle)
{
this.taskbarWindowHandle = taskbarWindowHandle;
className = taskbarWindowHandle.GetClassName();
var appBarData = APPBARDATA.NewInstance();
IntPtr getTaskbarPosMessageResult = Shell32.SHAppBarMessage(Shell32.ABM_GETTASKBARPOS, ref appBarData);
if (getTaskbarPosMessageResult == IntPtr.Zero)
{
throw new InvalidOperationException("Error fetching taskbar data.");
}
this.Position = (TaskbarPosition)appBarData.uEdge;
this.Bounds = Rectangle.FromLTRB(appBarData.rc.Left, appBarData.rc.Top, appBarData.rc.Right, appBarData.rc.Bottom);
appBarData.cbSize = APPBARDATA.GetSizeOfAPPBARDATAType();
int taskbarState = Shell32.SHAppBarMessage(Shell32.ABM_GETSTATE, ref appBarData).ToInt32();
this.IsAutoHideEnabled = (taskbarState & Shell32.ABS_AUTOHIDE) == Shell32.ABS_AUTOHIDE;
}
public Taskbar(bool secondary)
{
Handle = User32.FindWindow(!secondary ? ClassName : SecondaryClassName, null);
if (Handle == IntPtr.Zero)
{
return;
}
var data = new APPBARDATA {
cbSize = (uint)Marshal.SizeOf(typeof(APPBARDATA)), hWnd = Handle
};
var result = Shell32.SHAppBarMessage(ABM.GetTaskbarPos, ref data);
if (result == IntPtr.Zero)
{
throw new InvalidOperationException();
}
Position = (TaskbarPosition)data.uEdge;
Bounds = Rectangle.FromLTRB(data.rc.left, data.rc.top, data.rc.right, data.rc.bottom);
data.cbSize = (uint)Marshal.SizeOf(typeof(APPBARDATA));
result = Shell32.SHAppBarMessage(ABM.GetState, ref data);
var state = result.ToInt32();
AlwaysOnTop = (state & ABS.AlwaysOnTop) == ABS.AlwaysOnTop;
AutoHide = (state & ABS.Autohide) == ABS.Autohide;
var lpRect = new RECT();
User32.GetWindowRect(Handle, ref lpRect);
VisibleBounds = Rectangle.FromLTRB(lpRect.left, lpRect.top, lpRect.right, lpRect.bottom);
/*Debug.WriteLine(this.Bounds);
* Debug.WriteLine(lpRect.top + "-------------------");*/
}
