C#•17mo ago

❔ media key press

I want to press media key (music) using c# (next track, previous track, pause resume)A

23 Replies

circles.png•17mo ago

that is probably done with a windows api

circles.png•17mo ago

https://learn.microsoft.com/en-us/windows/uwp/audio-video-camera/system-media-transport-controls

Manual control of the System Media Transport Controls - UWP applica...

The SystemMediaTransportControls class enables your app to use the system media transport controls that are built into Windows and to update the metadata that the controls display about the media your app is currently playing.

어부지망생•17mo ago

I Already tried them but it doesnt work can u show me example??

circles.png•17mo ago

no i dont develop windowd

sibber•17mo ago

you could use SendInput and send virtual media keys

sibber•17mo ago

https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-sendinput

SendInput function (winuser.h) - Win32 apps

Synthesizes keystrokes, mouse motions, and button clicks.

sibber•17mo ago

sibber•17mo ago

https://learn.microsoft.com/en-us/windows/win32/inputdev/virtual-key-codes

Virtual-Key Codes (Winuser.h) - Win32 apps

The following table shows the symbolic constant names, hexadecimal values, and mouse or keyboard equivalents for the virtual-key codes used by the system. The codes are listed in numeric order.

어부지망생•17mo ago

Thanks for helping me 🙂 How can i use this code? I looked your link and i found one "keybd_event( VK_NUMLOCK, 0x45, " like this?? Ah ok 😦 thanks for helping me

sibber•17mo ago

no use SendInput, docs say to use it over keybd_input

어부지망생•17mo ago

Im sorry but, could you show me example? I cant find one in here

sibber•17mo ago

you pinvoke it have you ever done interop? ill write an example when i get to my pc

어부지망생•17mo ago

Ok thanks for helping me 😉

sibber•17mo ago

@어부지망생 i used CsWin32 to source gen the pinvoke definitions and stuff

using System.Runtime.InteropServices;
using Windows.Win32;
using Windows.Win32.UI.Input.KeyboardAndMouse;

var input = new INPUT[2];

input[0].type = INPUT_TYPE.INPUT_KEYBOARD;
input[0].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_PLAY_PAUSE;

input[1].type = INPUT_TYPE.INPUT_KEYBOARD;
input[1].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_PLAY_PAUSE;
input[1].Anonymous.ki.dwFlags = KEYBD_EVENT_FLAGS.KEYEVENTF_KEYUP;

PInvoke.SendInput(input, Marshal.SizeOf<INPUT>());

using System.Runtime.InteropServices;
using Windows.Win32;
using Windows.Win32.UI.Input.KeyboardAndMouse;

var input = new INPUT[2];

input[0].type = INPUT_TYPE.INPUT_KEYBOARD;
input[0].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_PLAY_PAUSE;

input[1].type = INPUT_TYPE.INPUT_KEYBOARD;
input[1].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_PLAY_PAUSE;
input[1].Anonymous.ki.dwFlags = KEYBD_EVENT_FLAGS.KEYEVENTF_KEYUP;

PInvoke.SendInput(input, Marshal.SizeOf<INPUT>());

어부지망생•17mo ago

I dont know pinvoke and interop 😦 what is it?? I'll search for it

using System.Diagnostics;
using System.Net.Sockets;
using System.Net;
using System.IO;
using AudioSwitcher.AudioApi.CoreAudio;
using System;
using System.Windows.Media;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using System.Windows.Input;
using Slack.Webhooks.Blocks;
using System.Runtime.InteropServices;
using Microsoft.Win32;

using System.Diagnostics;
using System.Net.Sockets;
using System.Net;
using System.IO;
using AudioSwitcher.AudioApi.CoreAudio;
using System;
using System.Windows.Media;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using System.Windows.Input;
using Slack.Webhooks.Blocks;
using System.Runtime.InteropServices;
using Microsoft.Win32;

 var input = new Input[2];

            input[0].type = INPUT_TYPE.INPUT_KEYBOARD;
            input[0].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_PLAY_PAUSE;

            input[1].type = INPUT_TYPE.INPUT_KEYBOARD;
            input[1].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_PLAY_PAUSE;
            input[1].Anonymous.ki.dwFlags = KEYBD_EVENT_FLAGS.KEYEVENTF_KEYUP;

            PInvoke.SendInput(input, Marshal.SizeOf<INPUT>());

 var input = new Input[2];

            input[0].type = INPUT_TYPE.INPUT_KEYBOARD;
            input[0].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_PLAY_PAUSE;

            input[1].type = INPUT_TYPE.INPUT_KEYBOARD;
            input[1].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_PLAY_PAUSE;
            input[1].Anonymous.ki.dwFlags = KEYBD_EVENT_FLAGS.KEYEVENTF_KEYUP;

            PInvoke.SendInput(input, Marshal.SizeOf<INPUT>());

어부지망생•17mo ago

어부지망생•17mo ago

red line in here i have to install package?

sibber•17mo ago

i used CsWin32

that's a package

sibber•17mo ago

https://github.com/microsoft/CsWin32

GitHub

GitHub - microsoft/CsWin32: A source generator to add a user-define...

A source generator to add a user-defined set of Win32 P/Invoke methods and supporting types to a C# project. - GitHub - microsoft/CsWin32: A source generator to add a user-defined set of Win32 P/In...

어부지망생•17mo ago

i installed cswin32 but still red line so i created navtivemethods.txt but noting changed

sibber•17mo ago

you need to put the names of the methods you want to use in it in this case SendInput

어부지망생•17mo ago

var input = new INPUT[2];

                            input[0].type = INPUT_TYPE.INPUT_KEYBOARD;
                            input[0].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_NEXT_TRACK;

                            input[1].type = INPUT_TYPE.INPUT_KEYBOARD;
                            input[1].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_NEXT_TRACK;
                            input[1].Anonymous.ki.dwFlags = KEYBD_EVENT_FLAGS.KEYEVENTF_KEYUP;

                            PInvoke.SendInput(input, Marshal.SizeOf<INPUT>());

var input = new INPUT[2];

                            input[0].type = INPUT_TYPE.INPUT_KEYBOARD;
                            input[0].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_NEXT_TRACK;

                            input[1].type = INPUT_TYPE.INPUT_KEYBOARD;
                            input[1].Anonymous.ki.wVk = VIRTUAL_KEY.VK_MEDIA_NEXT_TRACK;
                            input[1].Anonymous.ki.dwFlags = KEYBD_EVENT_FLAGS.KEYEVENTF_KEYUP;

                            PInvoke.SendInput(input, Marshal.SizeOf<INPUT>());

this one doesn't work i installed package and no error but why 😦 sry for bothering you

Accord•17mo ago

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.

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❔ media key press