// Setup
ApiClient.SetApiKey("YOUR DEV KEY HERE");
var dotaClient = new DotaApiClient();

var matchesResp = await dotaClient.GetMatchHistoryAsync();
if (matchesResp.Successful)
{
    foreach (var match in matchesResp.Contents)
    {
        Console.WriteLine(match.Id);
    }
}

ApiClient.SetApiKey("Api key");

var dotaClient = new DotaApiClient();
var steamClient = new SteamApiClient();
var csGoClient = new CsGoApiClient();

var dotaClient = new DotaApiClient();
var steamClient = new SteamApiClient();

// Dota 2 players 32-bit Steam id.
uint playerId = 78123870;

// Get the latest 20 Dota 2 matches from player 78123870,
// where hero with id of 32 was played and skill level was very high.
var matchResponse = await dotaClient.GetMatchHistoryAsync(playerId,
    count: 20,
    heroId: 32,
    skillLevel: DotaSkillLevel.VeryHigh);

foreach (var match in matchResponse.Contents)
{
    // Get details for each match.
    var detailsResponse = await dotaClient.GetMatchDetailsAsync(match.Id);

    // Get all the players from each match.
    foreach (var player in detailsResponse.Contents.Players)
    {
        // Get the Steam account for each player.
        var steamAccount = await steamClient.GetSteamAccountAsync(player.Id64);

        // Download players Steam profile pic.
        var picBytes = await steamClient.GetProfilePicBytesAsync(steamAccount.Contents.AvatarMediumURL);
        await File.WriteAllBytesAsync($"{player.PersonaName}.png", picBytes.Contents);

        // Print the player name and link to Steam page.
        Console.WriteLine($"Player name: {player.PersonaName}");
        Console.WriteLine($"Player Steam profile: {steamAccount.Contents.ProfileURL}");
    }
}

uint playerId32 = 78123870;

// Convert 32-bit id to 64-bit.
ulong playerId64 = SteamIdConverter.SteamIdTo64(playerId32);

// And back again.
playerId32 = SteamIdConverter.SteamIdTo32(playerId64);

if (!response.Successful)
{
    Console.WriteLine($"Request URL was: {response.URL}");
    Exception ex = response.ThrownException;

    if (response.WasCancelled)
    {
        Console.WriteLine("You requested cancellation");
    }
    else if (ex != null)
    {
        Console.WriteLine("An Exception was thrown and caught.");
    }
}