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@ChrisDill
Last active November 12, 2023 08:47
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Using raylib from inside a win forms application
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using Raylib_cs;
using Color = Raylib_cs.Color;
namespace Rayforms
{
public class RayForm : Form
{
private Panel gamePanel;
private bool windowAttached = false;
#region WinAPI Entry Points
[DllImport("user32.dll")]
private static extern IntPtr SetWindowPos(IntPtr handle, IntPtr handleAfter, int x, int y, int cx, int cy, uint flags);
[DllImport("user32.dll")]
private static extern IntPtr SetParent(IntPtr child, IntPtr newParent);
[DllImport("user32.dll")]
private static extern IntPtr ShowWindow(IntPtr handle, int command);
#endregion
public RayForms()
{
Size = new Size(1024, 700);
Text = "Rayforms";
gamePanel = new Panel();
gamePanel.Size = new Size(800, 500);
gamePanel.Location = new Point(50, 50);
Button button = new Button();
button.Text = "Attach window";
button.Size = new Size(150, 20);
button.Location = new Point(
(Size.Width / 2) - (button.Size.Width / 2),
gamePanel.Location.Y + gamePanel.Size.Height + 10
);
button.Click += new EventHandler(ClickedButton);
Controls.Add(button);
Controls.Add(gamePanel);
}
private void ClickedButton(object sender, EventArgs e)
{
if (!windowAttached)
{
// new Thread(Test).Start();
Test();
}
}
private void Test()
{
Raylib.SetConfigFlags(ConfigFlag.FLAG_WINDOW_UNDECORATED);
Raylib.InitWindow(800, 480, "Rayforms test");
Raylib.SetTargetFPS(60);
IntPtr winHandle = Raylib.GetWindowHandle();
Invoke(new Action(() =>
{
SetWindowPos(winHandle, Handle, 0, 0, 0, 0, 0x0401 /*NOSIZE | SHOWWINDOW */);
SetParent(winHandle, gamePanel.Handle);
ShowWindow(winHandle, 1);
windowAttached = true;
}));
while (!Raylib.WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
// TODO: Update your variables here
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
Raylib.BeginDrawing();
Raylib.ClearBackground(Color.RAYWHITE);
Raylib.DrawText("Congrats! You created your first window!", 190, 200, 20, Color.MAROON);
Raylib.DrawText(rl.GetFrameTime().ToString(), 100, 10, 15, Color.MAROON);
Raylib.DrawFPS(10, 10);
Raylib.EndDrawing();
//----------------------------------------------------------------------------------
}
Raylib.CloseWindow();
}
public static void Run()
{
Application.Run(new RayForm());
}
}
}
@ChrisDill
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ChrisDill commented Aug 4, 2019

Was in the tests folder in raylib-cs. Tests changed to a single project so putting this demo here for now.
Inspired by the win forms example from SDL2-CS - https://gist.github.com/flibitijibibo/cf282bfccc1eaeb47550

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