merged from work

src/Katteker.Gui/NativeMethods.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Runtime.InteropServices;
+
+// ReSharper disable InconsistentNaming
+
+namespace Katteker
+{
+    /// <summary>
+    ///     Native methods.
+    /// </summary>
+    internal static class NativeMethods
+    {
+        /// <summary>
+        ///     Hit Test Caption
+        /// </summary>
+        internal const int HTCAPTION = 0x2;
+
+        /// <summary>
+        ///     Posted when the user presses the left mouse button while the cursor is within the nonclient area of a window.
+        /// </summary>
+        internal const int WM_NCLBUTTONDOWN = 0xA1;
+
+        /// <summary>
+        ///     Release the capture
+        /// </summary>
+        [DllImport("User32.dll")]
+        internal static extern bool ReleaseCapture();
+
+        /// <summary>
+        ///     Send message
+        /// </summary>
+        [DllImport("User32.dll")]
+        internal static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
+
+        /// <summary>
+        ///     Set Process API aware
+        /// </summary>
+        [DllImport("User32.dll")]
+        internal static extern bool SetProcessDPIAware();
+    }
+}