private Form WallpaperInstance(Screen displayScreen, String content)
{
Form wallpaperInstance = new Form();
wallpaperInstances.Add(wallpaperInstance);
wallpaperInstance.Name = "WallpaperInstance";
wallpaperInstance.Text = "WallpaperInstance";
wallpaperInstance.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
wallpaperInstance.WindowState = FormWindowState.Normal;
wallpaperInstance.Size = displayScreen.Bounds.Size;
wallpaperInstance.StartPosition = FormStartPosition.Manual;
wallpaperInstance.Location = new Point(displayScreen.WorkingArea.Left - this.Location.X, displayScreen.WorkingArea.Top - this.Location.Y);
ChromiumWebBrowser browser = new ChromiumWebBrowser(content, null)
{
Dock = DockStyle.Fill,
};
browser.FrameLoadEnd += Hide_Scrollbars_On_Load;
wallpaperInstance.Controls.Add(browser);
Window_API_Wrapper.DrawUnderDesktop(wallpaperInstance);
wallpaperInstance.ShowDialog();
return(wallpaperInstance);
}
/*
* This method finds (or creates if necessery) a window between the desktop icons and the wallpaper.
* It then moves the input form under said window.
*
* Based off of the concepts present in Gerald Degeneve's "Draw Behind Desktop Icons in Windows 8+", linked here:
* https://www.codeproject.com/Articles/856020/Draw-behind-Desktop-Icons-in-Windows
*
*/
public static void DrawUnderDesktop(Form wallpaperInstance)
{
// Find the window handle for the shell.
IntPtr progman = Window_API_Wrapper.FindWindow("progman", null);
// Direct the shell to spawn a worker window behind the desktop icons, this may or may not already be present in Win 8/10.
IntPtr zero = IntPtr.Zero;
Window_API_Wrapper.SendMessageTimeout(progman, 0x052C, zero, zero, 0x0, 1000, out zero);
// Find the handle of the new worker window.
IntPtr workerw = IntPtr.Zero;
Window_API_Wrapper.EnumWindows(new Window_API_Wrapper.EnumWindowsProc((tophandle, topparamhandle) =>
{
IntPtr p = Window_API_Wrapper.FindWindowEx(tophandle, IntPtr.Zero, "SHELLDLL_DefView", IntPtr.Zero);
if (p != IntPtr.Zero)
{
workerw = Window_API_Wrapper.FindWindowEx(IntPtr.Zero, tophandle, "WorkerW", IntPtr.Zero);
}
return(true);
}), IntPtr.Zero);
// Set that window as the parent of our form, drawing under the desktop!
Window_API_Wrapper.SetParent(wallpaperInstance.Handle, workerw);
}
