-

mpv.net/NativeHelp.cs

@@ -0,0 +1,38 @@
+using System;
+
+namespace mpvnet
+{
+    public static class NativeHelp
+    {
+        public static int GetResizeBorder(int v)
+        {
+            switch (v)
+            {
+                case 1 /* WMSZ_LEFT */       : return 3;
+                case 3 /* WMSZ_TOP */        : return 2;
+                case 2 /* WMSZ_RIGHT */      : return 3;
+                case 6 /* WMSZ_BOTTOM */     : return 2;
+                case 4 /* WMSZ_TOPLEFT */    : return 1;
+                case 5 /* WMSZ_TOPRIGHT */   : return 1;
+                case 7 /* WMSZ_BOTTOMLEFT */ : return 3;
+                case 8 /* WMSZ_BOTTOMRIGHT */: return 3;
+                default: return -1;
+            }
+        }
+
+        public static void SubtractWindowBorders(IntPtr hwnd, ref Native.RECT rc)
+        {
+            var b = new Native.RECT(0, 0, 0, 0);
+            AddWindowBorders(hwnd, ref b);
+            rc.Left -= b.Left;
+            rc.Top -= b.Top;
+            rc.Right -= b.Right;
+            rc.Bottom -= b.Bottom;
+        }
+
+        public static void AddWindowBorders(IntPtr hwnd, ref Native.RECT rc)
+        {
+            Native.AdjustWindowRect(ref rc, (uint)Native.GetWindowLongPtrW(hwnd, -16 /* GWL_STYLE */), false);
+        }
+    }
+}