void ActivateGlass()
{
PresentationSource p = PresentationSource.FromVisual(this);
HwndSource s_hwndSource = p as HwndSource;
if (s_hwndSource != null)
{
s_hwndSource.CompositionTarget.BackgroundColor = Color.FromArgb(0, 0, 0, 0);
handle = s_hwndSource.Handle;
}
SafeNativeMethods.RECT r = new SafeNativeMethods.RECT();
UnsafeNativeMethods.GetClientRect(handle, ref r);
IntPtr hrgn = UnsafeNativeMethods.CreateRectRgn(0, 0, 1, 1);
SafeNativeMethods.DWM_BLURBEHIND bb = new SafeNativeMethods.DWM_BLURBEHIND();
bb.dwFlags = SafeNativeMethods.DWM_BB_ENABLE | SafeNativeMethods.DWM_BB_BLURREGION;
bb.fEnable = true;
bb.hRgnBlur = hrgn;
UnsafeNativeMethods.DwmEnableBlurBehindWindow(handle, ref bb);
SafeNativeMethods.MARGINS mar = new SafeNativeMethods.MARGINS();
mar.cyTopHeight = 37;
UnsafeNativeMethods.DwmExtendFrameIntoClientArea(handle, ref mar);
//Need to make the Window size dirty.
this.WindowState = WindowState.Minimized;
this.WindowState = WindowState.Normal;
}
private static void WmGetMinMaxInfo(IntPtr hwnd, IntPtr lParam)
{
SafeNativeMethods.MINMAXINFO mmi = (SafeNativeMethods.MINMAXINFO)Marshal.PtrToStructure(lParam, typeof(SafeNativeMethods.MINMAXINFO));
// Adjust the maximized size and position to fit the work area of the correct monitor
int MONITOR_DEFAULTTONEAREST = 0x00000002;
IntPtr monitor = SafeNativeMethods.MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
if (monitor != IntPtr.Zero)
{
SafeNativeMethods.MONITORINFO monitorInfo = new SafeNativeMethods.MONITORINFO();
SafeNativeMethods.GetMonitorInfo(monitor, monitorInfo);
SafeNativeMethods.RECT rcWorkArea = monitorInfo.rcWork;
SafeNativeMethods.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);
}
private Bitmap CaptureWindowFromWindow_(IntPtr window, bool clientArea)
{
string traceMsg = Tracer.FormatCall(
"CaptureWindowFromWindow_", window, clientArea);
try
{
logger_.Log(traceMsg);
DateTime start = DateTime.Now;
// we actually capture the root window and then copy the requested region
// since several windows may paint on the same area of the control.
IntPtr rwh = SafeNativeMethods.GetAncestor(
window,
SafeNativeMethods.GetAncestorFlags.GA_ROOT);
if (!SafeNativeMethods.GetWindowRect(rwh, out SafeNativeMethods.RECT rwr))
{
logger_.Log(
"{0}: GetWindowRect failed ({1})",
traceMsg,
Marshal.GetLastWin32Error());
return(null);
}
if (rwr.Width == 0 || rwr.Height == 0)
{
return(null);
}
using (Bitmap rbmp = new Bitmap(rwr.Width, rwr.Height))
{
using (Graphics g = Graphics.FromImage(rbmp))
{
IntPtr dc = g.GetHdc();
try
{
if (!SafeNativeMethods.PrintWindow(rwh, dc, 0))
{
logger_.Log(
"{0}: PrintWindow failed ({1})",
traceMsg,
Marshal.GetLastWin32Error());
return(null);
}
}
finally
{
g.ReleaseHdc();
}
}
if (!WindowsGuiUtils.GetWindowRectangles(logger_, window, out SafeNativeMethods.RECT wr, out SafeNativeMethods.RECT cr))
{
logger_.Log("{0}: GetWindowRectangles failed", traceMsg);
return(null);
}
SafeNativeMethods.RECT r = clientArea ? cr : wr;
// make r's coordinates relative to rbmp; that is, (0,0)
r.Move(-rwr.Left, -rwr.Top);
Bitmap bmp = rbmp.Clone(
new Rectangle(r.Left, r.Top, r.Width, r.Height),
rbmp.PixelFormat);
logger_.Verbose(
"{0} succeeded in {1}ms",
traceMsg,
DateTime.Now.Subtract(start).TotalMilliseconds);
return(bmp);
}
}
catch (Exception ex)
{
logger_.Verbose("{0} failed: {1}", traceMsg, ex);
throw;
}
}
