int IVsWindowPane.CreatePaneWindow(IntPtr hwndParent, int x, int y, int cx, int cy, out IntPtr hwnd)
{
if (InitializationMode != PaneInitializationMode.Uninitialized)
throw new InvalidOperationException("The WindowPane is already initialized");
// Indicate to derived classes that IVsWindowPane.CreatePaneWindow was used, and not IVsUIElementPane.CreateUIElementPane
InitializationMode = PaneInitializationMode.IVsWindowPane;
// We should call OnCreate one time for derived classes to pre-initialize themselves.
// This should be called before accessing the Content or Window properties.
OnCreate();
hwnd = IntPtr.Zero;
if (Content == null && Window == null)
throw new InvalidOperationException("A WindowPane derived type must provide either a content control or a HWND. If the tool is WPF based IVsUIElementPane.CreteUIElement should be used.");
int hresult = NativeMethods.S_OK;
if (Content != null)
{
// This path is unusual in that the content of this frame is WPF but it is being requested as an HWND through this
// obsolete API. Create a HwndSource wrapper around the FrameworkElement using the provided parent
if (Content is FrameworkElement || Content is IVsUIWpfElement)
{
// Create a HwndSource for the the content
HwndSource contentSource = new HwndSource(/* classStyle */ 0,
NativeMethods.WS_CHILD | NativeMethods.WS_CLIPSIBLINGS | NativeMethods.WS_VISIBLE,
/* exStyle */ 0,
/* x, y */ 0, 0,
/* name */ "", // no name for this item.
hwndParent);
contentSource.SizeToContent = SizeToContent.Manual;
if (Content is IVsUIWpfElement)
{
object element = null;
((IVsUIWpfElement)Content).CreateFrameworkElement(out element);
contentSource.RootVisual = (FrameworkElement)element;
}
else
{
contentSource.RootVisual = (FrameworkElement)Content;
}
contentSource.Disposed += delegate(object sender, EventArgs e)
{
this.Dispose();
};
hwnd = contentSource.Handle;
}
// If the content is already win32 and impliments the IVsUIWin32Element, we have little to do
else if (Content is IVsUIWin32Element)
{
hresult = ((IVsUIWin32Element)Content).Create(hwndParent, out hwnd);
}
}
else if (Window != null)
{
// If our derived class provided a Win32 control, create it with the provided parent
win32Wrapper = new UIWin32ElementWrapper(this);
hresult = win32Wrapper.Create(hwndParent, out hwnd);
}
return hresult;
}
/// <include file='doc\WindowPane.uex' path='docs/doc[@for="WindowPane.IVsUIElementPane.CreateUIElementPane"]/*' />
/// <internalonly/>
/// <devdoc>
/// IVsUIElementPane implementation.
/// </devdoc>
int IVsUIElementPane.CreateUIElementPane(out object uiElement)
{
uiElement = null;
if (InitializationMode != PaneInitializationMode.Uninitialized)
throw new InvalidOperationException("The WindowPane is already initialized");
// Indicate to derived classes that IVsUIElementPane.CreateUIElementPane was used, and not IVsWindowPane.CreatePaneWindow
InitializationMode = PaneInitializationMode.IVsUIElementPane;
// We should call OnCreate one time for derived classes to pre-initialize themselves.
// This should be called before accessing the Content or Window properties.
OnCreate();
if (Content != null)
uiElement = Content;
else if (Window != null) {
win32Wrapper = new UIWin32ElementWrapper(this);
uiElement = win32Wrapper;
}
else
return VSConstants.E_UNEXPECTED;
return VSConstants.S_OK;
}
