Commit 0705fe3a authored by Gerard Gascón's avatar Gerard Gascón
Browse files

feat: switching slides

parent 0ebb7f64

Program.cs

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@@ -2,7 +2,9 @@ 
	class Program {

		private static async Task Main() {

			GamepadReader reader = new JoyConRead();

			SlideSwitcher switcher = new(reader);

			await reader.Read();

			switcher.Dispose();

		}

	}

}
 
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SlideSwitcher.cs

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namespace SwitchSlidePresenter;



public class SlideSwitcher : IDisposable {

	private readonly GamepadReader _reader;



	public SlideSwitcher(GamepadReader reader) {

		_reader = reader;

		_reader.NextSlide += NextSlide;

		_reader.PrevSlide += PreviousSlide;

	}



	public void Dispose() {

		_reader.NextSlide -= NextSlide;

		_reader.PrevSlide -= PreviousSlide;

	}



	private void NextSlide() {

		IntPtr handle = Win32Api.GetForegroundWindow();

		Win32Api.PostMessage(handle, Win32Api.WM_KEYDOWN, Win32Api.VK_NEXT, 0);

	}



	private void PreviousSlide() {

		IntPtr handle = Win32Api.GetForegroundWindow();

		Win32Api.PostMessage(handle, Win32Api.WM_KEYDOWN, Win32Api.VK_PRIOR, 0);

	}

}
 
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Win32Api.cs

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using System.Runtime.InteropServices;



namespace SwitchSlidePresenter;



public static class Win32Api {

	public const UInt32 WM_KEYDOWN = 0x0100;

	public const int VK_NEXT = 0x22;

	public const int VK_PRIOR = 0x21;



	[DllImport("user32.dll")]

	public static extern bool PostMessage(IntPtr hWnd, UInt32 Msg, int wParam, int lParam);

	[DllImport("user32.dll")]

	public static extern IntPtr GetForegroundWindow();

}
 
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