public void ReleaseBackground(IntPtr dest)
{
if (dest != IntPtr.Zero)
{
DWMApi.DwmUnregisterThumbnail(dest);
}
}
public void BackgroundUpdate(IntPtr dest, int width, int height)
{
if (dest == IntPtr.Zero)
{
return;
}
DWMApi.DwmQueryThumbnailSourceSize(dest, out PSIZE size);
var props = new DWM_THUMBNAIL_PROPERTIES
{
fVisible = true,
dwFlags = DWMApi.DWM_TNP_VISIBLE | DWMApi.DWM_TNP_RECTDESTINATION | DWMApi.DWM_TNP_OPACITY,
opacity = 255,
rcDestination = new RECT(0, 0, width, height),
};
if (size.x < width)
{
props.rcDestination.Right = props.rcDestination.Left + size.x;
}
if (size.y < height)
{
props.rcDestination.Bottom = props.rcDestination.Top + size.y;
}
DWMApi.DwmUpdateThumbnailProperties(dest, ref props);
}
/// <summary>
/// 设置缩略图到指定窗口句柄
/// </summary>
public IntPtr SetDesktopBackgroundToWindow(IntPtr dest, int width, int height)
{
//backgroundPath = null;
//IntPtr wep = IntPtr.Zero;
//User32Window.EnumWindows(((hwnd, e) =>
//{
// IntPtr p = User32Window.FindWindowEx(hwnd,
// IntPtr.Zero,
// "SHELLDLL_DefView",
// null);
// if (p != IntPtr.Zero)
// {
// IntPtr workerw = User32Window.FindWindowEx(IntPtr.Zero,
// hwnd,
// "WorkerW",
// null);
// User32Window.EnumChildWindows(workerw, ((hwnd2, e2) =>
// {
// wep = hwnd2;
// return true;
// }), IntPtr.Zero);
// }
// return true;
//}), IntPtr.Zero);
//if (wep == IntPtr.Zero)
//{
// IntPtr r = IntPtr.Zero;
// MouseHook.SystemParametersInfo((uint)MouseHook.SystemParametersDesktopInfo.SPI_GETDESKWALLPAPER, 300, r, (uint)MouseHook.SystemParamtersInfoFlags.None);
// backgroundPath = Marshal.PtrToStringAuto(r); //默认桌面路径
// return;
//}
//User32Window.SetWindowPos(dest, HWND_BOTTOM, 0, 0, 0, 0,
// SetWindowPosFlags.SWP_NOSIZE | SetWindowPosFlags.SWP_NOMOVE | SetWindowPosFlags.SWP_NOACTIVATE | SetWindowPosFlags.SWP_SHOWWINDOW);
IntPtr p = User32Window.FindWindowEx(IntPtr.Zero, IntPtr.Zero, "Progman", null);
ReleaseBackground(dest);
var temp = DWMApi.DwmRegisterThumbnail(dest, p, out dest);
if (temp == 0)
{
BackgroundUpdate(dest, width, height);
}
return(dest);
}
private void PropertyForm_Shown(object sender, EventArgs e)
{
AssemblyPage.Instance().SetVersionTypeU(MainForm.Instance.Version, MainForm.Instance.VersionType);
_oldLanguage = RConfig.Instance.Language;
if (SystemInfo.Instance.isGlassEnable)
{
DWMApi.DwmExtendFrameIntoClientArea(Handle, _margins);
/* DWMApi.WTA_OPTIONS ops = new DWMApi.WTA_OPTIONS
* {
* Flags = DWMApi.WTNCA_NODRAWCAPTION | DWMApi.WTNCA_NODRAWICON,
* Mask = DWMApi.WTNCA_NODRAWCAPTION | DWMApi.WTNCA_NODRAWICON
* };
*
* DWMApi.SetWindowThemeAttribute(Handle,
* DWMApi.WindowThemeAttributeType.WTA_NONCLIENT,
* ref ops,
* (uint)Marshal.SizeOf(typeof(DWMApi.WTA_OPTIONS)));*/
}
}
