public void UnsetWindow()
{
if (IsRegistered)
{
DesktopWindowManager.Unregister(thumbnail);
thumbnail = IntPtr.Zero;
}
target = null;
}
//public Image CaptureCurrentImage()
//{
// RECT rect;
// GetWindowRect(windowHandle, out rect);
// Size size = rect.Size;
// if (size.IsEmpty)
// {
// throw new ApplicationException("ウィンドウサイズが取得できませんでした。");
// }
// // ウィンドウ枠も含めてウィンドウ全体をビットマップに描画する。
// IntPtr deviceContext = GetWindowDC(windowHandle);
// Bitmap bitmap = new Bitmap(size.Width, size.Height);
// using (Graphics g = Graphics.FromImage(bitmap))
// {
// IntPtr hDC = g.GetHdc();
// BitBlt(hDC, 0, 0, bitmap.Width, bitmap.Height, deviceContext, 0, 0, SRCCOPY);
// g.ReleaseHdc(hDC);
// }
// ReleaseDC(windowHandle, deviceContext);
// Padding borderMargin = new Padding();
// if (ClientAreaOnly)
// {
// RECT clientRect;
// GetClientRect(windowHandle, out clientRect);
// Size clientSize = clientRect.Size;
// int borderWidth = (size.Width - clientSize.Width) / 2;
// borderMargin.Left = borderWidth;
// borderMargin.Right = borderWidth;
// borderMargin.Bottom = borderWidth;
// borderMargin.Top = size.Height - clientSize.Height - borderWidth;
// }
// Bitmap clippedBitmap = new Bitmap(DrawnSize.Width, DrawnSize.Height);
// using (Graphics g = Graphics.FromImage(clippedBitmap))
// {
// Rectangle clippedRegion = new Rectangle(
// drawnRegion.Left + borderMargin.Left,
// drawnRegion.Top + borderMargin.Top,
// drawnRegion.Width,
// drawnRegion.Height
// );
// g.InterpolationMode = InterpolationMode.Bicubic;
// g.DrawImage(bitmap, new Rectangle(Point.Empty, clippedBitmap.Size), clippedRegion, GraphicsUnit.Pixel);
// }
// bitmap.Dispose();
// return clippedBitmap;
//}
//private const int SRCCOPY = 0x00CC0020;
//[DllImport("user32.dll")]
//private static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);
//[DllImport("user32.dll")]
//private static extern bool GetClientRect(IntPtr hWnd, out RECT lpRect);
//[DllImport("user32.dll")]
//private static extern IntPtr GetWindowDC(IntPtr hWnd);
//[DllImport("user32.dll")]
//private static extern bool ReleaseDC(IntPtr hWnd, IntPtr hDC);
//[DllImport("gdi32.dll")]
//private static extern bool BitBlt(IntPtr hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, int dwRop);
public new void BringToFront()
{
base.BringToFront();
if (thumbnail != IntPtr.Zero)
{
DesktopWindowManager.Unregister(thumbnail);
thumbnail = IntPtr.Zero;
}
thumbnail = DesktopWindowManager.Register(FindForm(), windowHandle);
UpdateThubmnail();
}
public void BringToFront()
{
Window owner = Window.GetWindow(this);
if (IsRegistered && owner != null)
{
DesktopWindowManager.Unregister(thumbnail);
thumbnail = DesktopWindowManager.Register(owner, target);
UpdateThumbnail();
}
}
private void AddDwmMenu(ItemsControl items)
{
ContextMenu.Items.Add(new Separator());
MenuItem compositionItem = new MenuItem()
{
Header = "デスクトップ コンポジションを無効にする",
IsCheckable = true,
IsChecked = !DesktopWindowManager.IsCompositionEnabled,
};
compositionItem.Click += (sender, e) => DesktopWindowManager.EnableComposition(!compositionItem.IsChecked);
ContextMenu.Items.Add(compositionItem);
}
private void windowObserver_DoWork(object sender, DoWorkEventArgs e)
{
Size sourceSize = DesktopWindowManager.QueryThumbnailSourceSize(thumbnail);
while (ApplicationWindow.GetApplicationWindows().Any(window => window.Handle == windowHandle))
{
Size size = DesktopWindowManager.QueryThumbnailSourceSize(thumbnail);
if (!sourceSize.Equals(size))
{
sourceSize = size;
OnSourceSizeChanged(EventArgs.Empty);
}
}
}
public void SetWindow(IntPtr windowHandle)
{
UnsetWindow();
if (windowHandle != IntPtr.Zero && DesktopWindowManager.IsCompositionEnabled)
{
this.windowHandle = windowHandle;
thumbnail = DesktopWindowManager.Register(FindForm(), windowHandle);
windowObserver.RunWorkerAsync();
OnSourceWindowChanged(EventArgs.Empty);
}
}
public void UnsetWindow()
{
windowHandle = IntPtr.Zero;
if (windowObserver.IsBusy)
{
windowObserver.CancelAsync();
}
if (thumbnail != IntPtr.Zero)
{
DesktopWindowManager.Unregister(thumbnail);
thumbnail = IntPtr.Zero;
}
OnSourceWindowChanged(EventArgs.Empty);
}
public WindowCaptureForm()
{
InitializeComponent();
notifyIcon.Icon = this.Icon;
notifyIcon.Visible = true;
NoSelectionItem = new ToolStripMenuItem("ウィンドウが見つかりません");
NoSelectionItem.Enabled = false;
addWindowsToolStripMenuItem.DropDownItems.Add(NoSelectionItem);
#if DEBUG
ToolStripMenuItem dwmCompositionEnabledItem = new ToolStripMenuItem("DMW コンポジションを無効にする");
dwmCompositionEnabledItem.CheckOnClick = true;
dwmCompositionEnabledItem.CheckedChanged += (sender, e) => DesktopWindowManager.DwmEnableComposition(!dwmCompositionEnabledItem.Checked);
ContextMenuStrip.Items.Add(new ToolStripSeparator());
ContextMenuStrip.Items.Add(dwmCompositionEnabledItem);
#endif
}
public void SetWindow(ApplicationWindow window)
{
if (Window.GetWindow(this) == null)
{
throw new InvalidOperationException();
}
if (window != null && DesktopWindowManager.IsCompositionEnabled)
{
target = window;
Window owner = Window.GetWindow(this);
if (owner != null)
{
thumbnail = DesktopWindowManager.Register(owner, target);
ResetDrawnRegion();
UpdateThumbnail();
}
}
}
private void UpdateThumbnail(Point location, Size size)
{
DWM_THUMBNAIL_PROPERTIES properties = new DWM_THUMBNAIL_PROPERTIES()
{
dwFlags = DWM_TNP.DWM_TNP_OPACITY | DWM_TNP.DWM_TNP_RECTDESTINATION | DWM_TNP.DWM_TNP_RECTSOURCE | DWM_TNP.DWM_TNP_SOURCECLIENTAREAONLY | DWM_TNP.DWM_TNP_VISIBLE,
fSourceClientAreaOnly = ClientAreaOnly,
fVisible = true,
opacity = (byte)(Byte.MaxValue * Opacity),
rcDestination = new RECT(location.X, location.Y, size.Width, size.Height),
rcSource = new RECT(DrawnRegion),
};
if (DesktopWindowManager.Update(thumbnail, ref properties))
{
OnThumbnailUpdated(this, EventArgs.Empty);
}
else
{
OnThumbnailUpdateFailed(this, EventArgs.Empty);
}
}
private void UpdateThubmnail()
{
if (thumbnail != IntPtr.Zero)
{
DWM_THUMBNAIL_PROPERTIES properties = new DWM_THUMBNAIL_PROPERTIES()
{
dwFlags = DWM_TNP.DWM_TNP_OPACITY | DWM_TNP.DWM_TNP_RECTDESTINATION | DWM_TNP.DWM_TNP_RECTSOURCE | DWM_TNP.DWM_TNP_SOURCECLIENTAREAONLY | DWM_TNP.DWM_TNP_VISIBLE,
fSourceClientAreaOnly = ClientAreaOnly,
fVisible = Visible & !IsFixed,
opacity = Byte.MaxValue,
rcDestination = new RECT(Location, Size),
rcSource = new RECT(DrawnRegion)
};
if (!DesktopWindowManager.Update(thumbnail, ref properties))
{
if (MessageBox.Show("サムネイルの更新に失敗しました。", "エラー", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error) != DialogResult.Retry)
{
UnsetWindow();
}
}
}
}
