WPF maximized Window getting bigger than my screen-CodePudding

When creating a WPF window with AllowsTransparency="True" WindowStyle="None" and maximizing it via

private void btnMaximize_Click(object sender, RoutedEventArgs e)
        {
            if (Application.Current.MainWindow.WindowState != WindowState.Maximized)
                Application.Current.MainWindow.WindowState = WindowState.Maximized;
            else
            
                Application.Current.MainWindow.WindowState = WindowState.Normal;
        }

the Window gets bigger than my screen.

When I set ResizeMode to ResizeMode="NoResize" it works like a charm. But I want to resize my window. Any suggestions how to fix my problem?

CodePudding user response：

You can set the MaxHeight property of that window to SystemParameters.MaximizedPrimaryScreenHeight in the constructor. This might not work on extended desktop.

public MainWindow()
{
    InitializeComponent();
    this.MaxHeight = SystemParameters.MaximizedPrimaryScreenHeight;
}

CodePudding user response：

Try using SystemParameters like this.

private void btnMaximize_Click(object sender, RoutedEventArgs e)
    {
    this.Height = SystemParameters.MaximizedPrimaryScreenHeight;
    }