Minor refactoring

Author: qt-kaneko

ReMOSD/src/MediaOsd.cs

@@ -1,6 +1,5 @@
 using System;
 using System.ComponentModel;
-using System.Runtime.InteropServices;
 using System.Threading;
 
 using Windows.Win32.Foundation;
@@ -24,13 +23,13 @@ public GDI_REGION_TYPE GetRegionBox(out RECT box)
   public void SetRegion(HRGN value)
   {
     var result = SetWindowRgn(HWnd, value, true);
-    if (result == 0) throw new Win32Exception(Marshal.GetLastWin32Error());
+    if (result == 0) throw new Win32Exception();
   }
 
   public uint GetDpi()
   {
     var dpi = GetDpiForWindow(HWnd);
-    if (dpi == 0) throw new Win32Exception(Marshal.GetLastWin32Error());
+    if (dpi == 0) throw new Win32Exception();
 
     return dpi;
   }

ReMOSD/src/Program.cs

@@ -24,7 +24,7 @@
   newOsdRegion = CreateRectRgn(0, 0,
                                (int)Math.Round(65 * osdScalingCoefficient),
                                (int)Math.Round(140 * osdScalingCoefficient));
-  if (newOsdRegion == default) throw new Win32Exception(Marshal.GetLastWin32Error());
+  if (newOsdRegion == default) throw new Win32Exception();
 }
 else // Reset
 {

ReVOSD/src/MediaOsd.cs

@@ -24,7 +24,7 @@ public GDI_REGION_TYPE GetRegionBox(out RECT box)
   public void SetRegion(HRGN value)
   {
     var result = SetWindowRgn(HWnd, value, true);
-    if (result == 0) throw new Win32Exception(Marshal.GetLastWin32Error());
+    if (result == 0) throw new Win32Exception();
   }
 
   public static MediaOsd Find()

ReVOSD/src/Program.cs

@@ -21,7 +21,7 @@
 {
   newOsdRegion = CreateRectRgn(0, 0,
                                0, 0);
-  if (newOsdRegion == default) throw new Win32Exception(Marshal.GetLastWin32Error());
+  if (newOsdRegion == default) throw new Win32Exception();
 }
 else // Reset
 {