public Everything()
{
var cp = new CreateParams
{
Caption = "PSEverything IPC Window",
ClassName = "Static",
ClassStyle = 0,
Style = 0,
ExStyle = 0,
X = 0,
Y = 0,
Height = 1,
Width = 1,
Parent = IntPtr.Zero,
Param = null
};
CreateHandle(cp);
var cs = new ChangeFilterStruct
{
Size = (uint)Marshal.SizeOf(typeof(ChangeFilterStruct))
};
if (!Win32.ChangeWindowMessageFilterEx(Handle, WindowMessage.CopyData, ChangeWindowMessageFilterExAction.Allow, ref cs))
{
throw new Win32Exception(Marshal.GetLastWin32Error(), "Error allowing WM_COPYDATA mesasage from lower privilege processes.");
}
}
public static void EnableDragDropForWindow(Window window)
{
var source = new WindowInteropHelper(window);
var changes = new ChangeFilterStruct();
ChangeWindowMessageFilterEx(source.Handle, WmDropFiles, ChangeWindowMessageFilterExAction.Allow, ref changes);
ChangeWindowMessageFilterEx(source.Handle, WmCopyData, ChangeWindowMessageFilterExAction.Allow, ref changes);
ChangeWindowMessageFilterEx(source.Handle, OtherOne, ChangeWindowMessageFilterExAction.Allow, ref changes);
}
public static extern bool ChangeWindowMessageFilterEx(
[In] IntPtr hwnd, // Window
[In] WindowMessage message, // WM_ message
[In] MessageFilterAction action, // Message filter action value
[In, Out] ref ChangeFilterStruct pChangeFilterStruct); // Optional
internal static extern bool ChangeWindowMessageFilterEx(IntPtr hWnd, uint msg, ChangeWindowMessageFilterExAction action, ref ChangeFilterStruct changeInfo);
internal static void AddTabbedThumbnail(TabbedThumbnail preview)
{
// Create a TOP-LEVEL proxy window for the user's source window/control
TaskbarWindow taskbarWindow = preview.WindowHandle == IntPtr.Zero
? GetTaskbarWindow(preview.WindowsControl, TaskbarProxyWindowType.TabbedThumbnail)
: GetTaskbarWindow(preview.WindowHandle, TaskbarProxyWindowType.TabbedThumbnail);
// get the TaskbarWindow for UIElement/WindowHandle respectfully.
//create taskbar, or set its TabbedThumbnail
if (taskbarWindow == null)
{
taskbarWindow = new TaskbarWindow(preview);
_taskbarWindowList.Add(taskbarWindow);
}
else if (taskbarWindow.TabbedThumbnail == null)
{
taskbarWindow.TabbedThumbnail = preview;
}
// Listen for Title changes
preview.TitleChanged += new EventHandler(thumbnailPreview_TitleChanged);
preview.TooltipChanged += new EventHandler(thumbnailPreview_TooltipChanged);
// Get/Set properties for proxy window
IntPtr windowHandle = taskbarWindow.WindowToTellTaskbarAbout;
// Register this new tab and set it as being active.
TaskbarList.Instance.RegisterTab(windowHandle, preview.ParentWindowHandle);
TaskbarList.Instance.SetTabOrder(windowHandle, IntPtr.Zero);
TaskbarList.Instance.SetTabActive(windowHandle, preview.ParentWindowHandle, 0);
// We need to make sure we can set these properties even when running with admin
var changeFilterResult = new ChangeFilterStruct
{
cbSize = (uint)Marshal.SizeOf <ChangeFilterStruct>()
};
_ = HandlerNativeMethods.ChangeWindowMessageFilterEx(
windowHandle,
WindowMessage.DWMSendIconicThumbnail,
MessageFilterAction.Allow,
ref changeFilterResult);
changeFilterResult = new ChangeFilterStruct
{
cbSize = (uint)Marshal.SizeOf <ChangeFilterStruct>()
};
_ = HandlerNativeMethods.ChangeWindowMessageFilterEx(
windowHandle,
WindowMessage.DWMSendIconicLivePreviewBitmap,
MessageFilterAction.Allow,
ref changeFilterResult);
// BUG: There should be somewhere to disable CustomWindowPreview. I didn't find it.
DesktopWindowManager.EnableCustomWindowPreview(windowHandle, true);
// Make sure we use the initial title set by the user
// Trigger a "fake" title changed event, so the title is set on the taskbar thumbnail.
// Empty/null title will be ignored.
thumbnailPreview_TitleChanged(preview, EventArgs.Empty);
thumbnailPreview_TooltipChanged(preview, EventArgs.Empty);
// Indicate to the preview that we've added it on the taskbar
preview.AddedToTaskbar = true;
}
