private static void WmGetMinMaxInfo(IntPtr hwnd, IntPtr lParam)
{
var mmi = (MINMAXINFO)Marshal.PtrToStructure(lParam, typeof(MINMAXINFO));
// Adjust the maximized size and position to fit the work area of the correct monitor
IntPtr monitor = UnsafeNativeMethods.MonitorFromWindow(hwnd, Constants.MONITOR_DEFAULTTONEAREST);
if (monitor != IntPtr.Zero)
{
var monitorInfo = new MONITORINFO();
UnsafeNativeMethods.GetMonitorInfo(monitor, monitorInfo);
RECT rcWorkArea = monitorInfo.rcWork;
RECT 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);
}
Marshal.StructureToPtr(mmi, lParam, true);
}
protected override void OnStateChanged(EventArgs e)
{
base.OnStateChanged(e);
if (this.WindowState == WindowState.Maximized)
{
IntPtr monitor = UnsafeNativeMethods.MonitorFromWindow(this.Handle, Constants.MONITOR_DEFAULTTONEAREST);
if (monitor != IntPtr.Zero)
{
var monitorInfo = new MONITORINFO();
UnsafeNativeMethods.GetMonitorInfo(monitor, monitorInfo);
bool ignoreTaskBar = this.IgnoreTaskbarOnMaximize;
var x = ignoreTaskBar ? monitorInfo.rcMonitor.left : monitorInfo.rcWork.left;
var y = ignoreTaskBar ? monitorInfo.rcMonitor.top : monitorInfo.rcWork.top;
var cx = ignoreTaskBar ? monitorInfo.rcWork.right : Math.Abs(monitorInfo.rcWork.right - x);
var cy = ignoreTaskBar ? monitorInfo.rcMonitor.bottom : Math.Abs(monitorInfo.rcWork.bottom - y);
UnsafeNativeMethods.SetWindowPos(this.Handle, new IntPtr(-2), x, y, cx, cy, 0x0040);
}
}
}