public bool SendToBackground(IntPtr handler, int displayIndex = 0)
{
if (handler == IntPtr.Zero || Shown)
{
return(false);
}
var ok = User32Wrapper.GetWindowRect(handler, out RECT react);
if (ok)
{
_originalRect = react;
}
Shown = true;
_targeHandler = handler;
if (_workerw == IntPtr.Zero)
{
_workerw = GetWorkerW();
}
_parentHandler = User32Wrapper.GetParent(_targeHandler);
if (_parentHandler == IntPtr.Zero)
{
_parentHandler = User32Wrapper.GetAncestor(_targeHandler, GetAncestorFlags.GetParent);
}
User32Wrapper.SetParent(_targeHandler, _workerw);
FullScreen(_targeHandler, displayIndex);
return(true);
}
public bool SendToBackground(IntPtr handler)
{
//处理alt+tab可以看见本程序
//https://stackoverflow.com/questions/357076/best-way-to-hide-a-window-from-the-alt-tab-program-switcher
int exStyle = User32Wrapper.GetWindowLong(handler, WindowLongFlags.GWL_EXSTYLE);
exStyle |= (int)WindowStyles.WS_EX_TOOLWINDOW;
User32Wrapper.SetWindowLong(handler, WindowLongFlags.GWL_EXSTYLE, exStyle);
if (handler != _currentHandler)
{
//已经换了窗口，恢复上一个窗口
RestoreParent();
}
if (handler == IntPtr.Zero)
{
return(false);
}
_ = User32Wrapper.GetWindowRect(handler, out _);
//var ok = User32Wrapper.GetWindowRect(handler, out RECT react);
//if (ok)
// _originalRect = react;
_currentHandler = handler;
var workerw = GetWorkerW();
if (workerw == IntPtr.Zero)
{
//有时候突然又不行了，在来一次
User32Wrapper.SystemParametersInfo(User32Wrapper.SPI_SETCLIENTAREAANIMATION, 0, true, User32Wrapper.SPIF_UPDATEINIFILE | User32Wrapper.SPIF_SENDWININICHANGE);
workerw = GetWorkerW();
}
if (workerw == IntPtr.Zero)
{
return(false);
}
_parentHandler = User32Wrapper.GetParent(_currentHandler);
//if (newParentHandler != _parentHandler)
//{
// //parent没变时不重复调用，有时候会导致不可见
User32Wrapper.SetParent(_currentHandler, workerw);
FullScreen(_currentHandler, _targetBounds, workerw);
//_parentHandler = newParentHandler;
//}
//if (_parentHandler == IntPtr.Zero)
// _parentHandler = User32Wrapper.GetAncestor(_currentHandler, GetAncestorFlags.GetParent);
return(true);
}
public bool SendToBackground(IntPtr handler)
{
if (handler != _currentHandler)
{
//已经换了窗口，恢复上一个窗口
RestoreParent();
}
if (handler == IntPtr.Zero)
{
return(false);
}
var ok = User32Wrapper.GetWindowRect(handler, out RECT react);
if (ok)
{
_originalRect = react;
}
_currentHandler = handler;
var workerw = GetWorkerW();
if (workerw == IntPtr.Zero)
{
//有时候突然又不行了，在来一次
User32Wrapper.SystemParametersInfo(User32Wrapper.SPI_SETCLIENTAREAANIMATION, 0, true, User32Wrapper.SPIF_UPDATEINIFILE | User32Wrapper.SPIF_SENDWININICHANGE);
workerw = GetWorkerW();
}
if (workerw == IntPtr.Zero)
{
return(false);
}
_parentHandler = User32Wrapper.GetParent(_currentHandler);
FullScreen(_currentHandler, _targetBounds);
User32Wrapper.SetParent(_currentHandler, workerw);
//if (_parentHandler == IntPtr.Zero)
// _parentHandler = User32Wrapper.GetAncestor(_currentHandler, GetAncestorFlags.GetParent);
return(true);
}
public bool SendToBackground(IntPtr handler)
{
if (Shown && handler != _currentHandler)
{
//已经换了窗口，恢复上一个窗口
RestoreParent(false);
}
if (handler == IntPtr.Zero || Shown)
{
return(false);
}
var ok = User32Wrapper.GetWindowRect(handler, out RECT react);
if (ok)
{
_originalRect = react;
}
Shown = true;
_currentHandler = handler;
if (_workerw == IntPtr.Zero)
{
_workerw = GetWorkerW();
if (_workerw == IntPtr.Zero)
{
return(false);
}
}
_parentHandler = User32Wrapper.GetParent(_currentHandler);
if (_parentHandler == IntPtr.Zero)
{
_parentHandler = User32Wrapper.GetAncestor(_currentHandler, GetAncestorFlags.GetParent);
}
User32Wrapper.SetParent(_currentHandler, _workerw);
FullScreen(_currentHandler, DisplayScreen);
return(true);
}