[MTGOSDK/Core/RemoteClient] Allow MTGO to start minimized

MTGOSDK/src/API/Client.cs

@@ -166,6 +166,10 @@ public Client(ClientOptions options = default) : base(
     //
     Construct(_ref: s_flsClientSession /* Can be any deferred instance */);
 
+    // Minimize the MTGO window after startup.
+    if (options.StartMinimized)
+      RemoteClient.MinimizeWindow();
+
     // Verify that any existing user sessions are valid.
     if ((SessionId == Guid.Empty) && IsConnected)
       throw new VerificationException("Current user session is invalid.");

MTGOSDK/src/API/ClientOptions.cs

@@ -16,6 +16,11 @@ public struct ClientOptions()
   /// </summary>
   public bool CreateProcess { get; init; } = false;
 
+  /// <summary>
+  /// Whether to start the MTGO process minimized.
+  /// </summary>
+  public bool StartMinimized { get; init; } = false;
+
   /// <summary>
   /// Whether to kill the MTGO process when the client object is disposed.
   /// </summary>

MTGOSDK/src/Core/RemoteClient.cs

@@ -6,6 +6,7 @@
 using System.Diagnostics;
 using System.IO;
 using System.Reflection;
+using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 
 using RemoteNET;
@@ -146,6 +147,19 @@ public static async Task<bool> StartProcess()
     return await WaitUntil(() => MTGOProcess().MainWindowHandle != IntPtr.Zero);
   }
 
+  private const int SW_MAXIMIZE = 3;
+  private const int SW_MINIMIZE = 6;
+
+  [DllImport("user32.dll")]
+  [return: MarshalAs(UnmanagedType.Bool)]
+  private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
+
+  public static bool MinimizeWindow()
+  {
+    var handle = MTGOProcess().MainWindowHandle;
+    return ShowWindow(handle, SW_MINIMIZE);
+  }
+
   //
   // Process and RemoteNET state management
   //