private static Monitorinfo MonitorInfoFromWindow(IntPtr hWnd)
{
var hMonitor = NativeMethods.MonitorFromWindow(hWnd, 2);
var monitorInfo = new Monitorinfo {
CbSize = (uint)Marshal.SizeOf(typeof(Monitorinfo))
};
NativeMethods.GetMonitorInfo(hMonitor, ref monitorInfo);
return(monitorInfo);
}
private static Minmaxinfo AdjustWorkingAreaForAutoHide(IntPtr monitor, Minmaxinfo mmi)
{
var hwnd = NativeMethods.FindWindow("Shell_TrayWnd", null);
var monitorWithTaskBar = NativeMethods.MonitorFromWindow(hwnd, MonitorDefaulttonearest);
if (!monitor.Equals(monitorWithTaskBar))
{
return(mmi);
}
var abd = new Appbardata();
abd.cbSize = Marshal.SizeOf(abd);
abd.hWnd = hwnd;
NativeMethods.SHAppBarMessage((int)AbMsg.AbmGettaskbarpos, ref abd);
var uEdge = GetEdge(abd.rc);
var autoHide = Convert.ToBoolean(NativeMethods.SHAppBarMessage((int)AbMsg.AbmGetstate, ref abd));
if (!autoHide)
{
return(mmi);
}
switch (uEdge)
{
case (int)AbEdge.AbeLeft:
mmi.ptMaxPosition.X += 2;
mmi.ptMaxTrackSize.X -= 2;
mmi.ptMaxSize.X -= 2;
break;
case (int)AbEdge.AbeRight:
mmi.ptMaxSize.X -= 2;
mmi.ptMaxTrackSize.X -= 2;
break;
case (int)AbEdge.AbeTop:
mmi.ptMaxPosition.Y += 2;
mmi.ptMaxTrackSize.Y -= 2;
mmi.ptMaxSize.Y -= 2;
break;
case (int)AbEdge.AbeBottom:
mmi.ptMaxSize.Y -= 2;
mmi.ptMaxTrackSize.Y -= 2;
break;
default:
return(mmi);
}
return(mmi);
}
private void WnGetMinMaxInfo(IntPtr hwnd, IntPtr lparam)
{
var mmi = (Minmaxinfo)Marshal.PtrToStructure(lparam, typeof(Minmaxinfo));
var monitor = NativeMethods.MonitorFromWindow(hwnd, MonitorDefaulttonearest);
if (monitor != IntPtr.Zero)
{
var monitorInfo = new MonitorInfo();
NativeMethods.GetMonitorInfo(monitor, monitorInfo);
var rcWorkArea = monitorInfo.rcWork;
var rcMonitorArea = monitorInfo.rcMonitor;
mmi.ptMaxPosition.X = Math.Abs(rcWorkArea.Left - rcMonitorArea.Left);
mmi.ptMaxPosition.Y = Math.Abs(rcWorkArea.Top - rcMonitorArea.Top);
mmi.ptMaxSize.X = Math.Abs(rcWorkArea.Right - rcWorkArea.Left);
mmi.ptMaxSize.Y = Math.Abs(rcWorkArea.Bottom - rcWorkArea.Top);
mmi.ptMinTrackSize.X = (int)MinWidth; //minimum drag X size for the window
mmi.ptMinTrackSize.Y = (int)MinHeight; //minimum drag Y size for the window
mmi = AdjustWorkingAreaForAutoHide(monitor, mmi);
//need to adjust sizing if taskbar is set to autohide
}
Marshal.StructureToPtr(mmi, lparam, true);
}