如何检查 C# 中是否按下了某个键？ (.NET 6)

Question

I would like to check if the alt key was pressed in c#. I could only find old information that didn't work. It would be helpful if you send an example with the alt key. Thanks in advance!

Answer 1

If you need to detect a modifier key outside of a KeyEventHandler method, you can use the static Keyboard class from System.Windows.Input .

Example from my WPF .NET 6.0 Application on Windows

if (Keyboard.Modifiers.HasFlag(ModifierKeys.Alt))
{
    // Do something
}

Answer 2

KeyEventArgs

There was a similar post that provides a solution for this. Look for the answer by Jim Mischel

You can use the KeyEventArgs Class

if (e.Alt)
{
    // Alt key was pressed
}