Update/merge examples back into main repo (#192)

Examples/Core/DropFiles.cs

@@ -0,0 +1,85 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Windows drop files
+*
+*   This example only works on platforms that support drag ref drop (Windows, Linux, OSX, Html5?)
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+using static Raylib_cs.Raylib;
+
+namespace Examples.Core;
+
+public class DropFiles
+{
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [core] example - drop files");
+
+        string[] files = new string[0];
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            if (IsFileDropped())
+            {
+                files = Raylib.GetDroppedFiles();
+            }
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            if (files.Length == 0)
+            {
+                DrawText("Drop your files to this window!", 100, 40, 20, Color.DARKGRAY);
+            }
+            else
+            {
+                DrawText("Dropped files:", 100, 40, 20, Color.DARKGRAY);
+
+                for (int i = 0; i < files.Length; i++)
+                {
+                    if (i % 2 == 0)
+                    {
+                        DrawRectangle(0, 85 + 40 * i, screenWidth, 40, ColorAlpha(Color.LIGHTGRAY, 0.5f));
+                    }
+                    else
+                    {
+                        DrawRectangle(0, 85 + 40 * i, screenWidth, 40, ColorAlpha(Color.LIGHTGRAY, 0.3f));
+                    }
+                    DrawText(files[i], 120, 100 + 40 * i, 10, Color.GRAY);
+                }
+
+                DrawText("Drop new files...", 100, 110 + 40 * files.Length, 20, Color.DARKGRAY);
+            }
+
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}