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c# windows 10 desktop widget

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SubZero answered on March 4, 2023 Popularity 3/10 Helpfulness 8/10

answer c# windows 10 desktop widget

c# windows 10 desktop widget

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you can create a Windows 10 desktop widget using the Windows.UI.Xaml.Controls namespace and the WebView class.

Here's an example:

1 - Right-click on your project in Visual Studio and select "Add" -> "New Item".

2- Select "User Control (WPF)" and click "Add".

3- Open the XAML file (MyWidget.xaml) and add a WebView element with a source URL:

// In PHP
<UserControl x:Class="MyNamespace.MyWidget"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             Height="300" Width="300">
    <WebView x:Name="MyWebView" Source="http://www.example.com"/>
</UserControl>

// 4- Save the XAML file and rebuild your project.
// 5- Use the following code to add the widget to the desktop:C#
      
      using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Interop;

public static class DesktopWidget
{
    public static void AddWidget(UserControl widget, string title)
    {
        WindowInteropHelper windowInteropHelper = new WindowInteropHelper(Application.Current.MainWindow);
        IntPtr handle = windowInteropHelper.Handle;
        IntPtr workerW = IntPtr.Zero;
        EnumWindows((hwnd, lParam) =>
        {
            IntPtr shellDefView = FindWindowEx(hwnd, IntPtr.Zero, "SHELLDLL_DefView", null);
            if (shellDefView != IntPtr.Zero)
            {
                workerW = FindWindowEx(IntPtr.Zero, hwnd, "WorkerW", null);
                return true;
            }
            return true;
        }, IntPtr.Zero);
        HwndSource hwndSource = PresentationSource.FromVisual(widget) as HwndSource;
        hwndSource.AddHook(new HwndSourceHook(DesktopWidgetProc));
        SetParent(hwndSource.Handle, workerW);
        SetWindowText(hwndSource.Handle, title);
        SetWindowLong(hwndSource.Handle, GWL_STYLE, GetWindowLong(hwndSource.Handle, GWL_STYLE) | WS_CHILD);
        SetWindowPos(hwndSource.Handle, IntPtr.Zero, 0, 0, 300, 300, SWP_NOACTIVATE | SWP_NOZORDER);
    }

    private static IntPtr DesktopWidgetProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
    {
        if (msg == WM_CLOSE)
        {
            handled = true;
        }
        return IntPtr.Zero;
    }

    private delegate bool EnumWindowsProc(IntPtr hwnd, IntPtr lParam);

    [DllImport("user32.dll")]
    private static extern bool EnumWindows(EnumWindowsProc lpEnumFunc, IntPtr lParam);

    [DllImport("user32.dll", SetLastError = true)]
    private static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);

    [DllImport("user32.dll", SetLastError = true)]
    private static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);

    [DllImport("user32.dll", SetLastError = true)]
    private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);

    [DllImport("user32.dll", SetLastError = true)]
    private static extern int GetWindowLong(IntPtr hWnd, int nIndex);

    [DllImport("user32.dll", SetLastError = true)]
    private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);

    [DllImport("user32.dll", SetLastError = true)]
    private static extern bool SetWindowText(IntPtr hWnd, string lpString);

    private const int GWL_STYLE = -16;
    private const uint SWP_NOACTIVATE = 0x0010;
private const uint SWP_NOZORDER = 0x0004;
private const int WM_CLOSE = 0x0010;
}

UserControl widget = new MyWidget(); // replace with the name of your user control
string title = "My Widget";
DesktopWidget.AddWidget(widget, title);
Console.WriteLine("Widget added to desktop successfully.");

Popularity 3/10 Helpfulness 8/10 Language csharp

Source: Grepper

Tags: c# desktop widget windows-10

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Contributed on Mar 04 2023

SubZero

0 Answers Avg Quality 2/10

c# windows 10 desktop widget

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