diff --git a/Sources/DesktopManager/MonitorNativeMethods.cs b/Sources/DesktopManager/MonitorNativeMethods.cs
index f62ef96..7433119 100644
--- a/Sources/DesktopManager/MonitorNativeMethods.cs
+++ b/Sources/DesktopManager/MonitorNativeMethods.cs
@@ -160,4 +160,10 @@ public static class MonitorNativeMethods {
     /// </summary>
     public const int WS_MINIMIZE = 0x20000000;
     public const int WS_MAXIMIZE = 0x01000000;
+
+    /// <summary>
+    /// Window position flags
+    /// </summary>
+    public const int SWP_NOZORDER = 0x0004;
+    public const int SWP_NOSIZE = 0x0001;
 }
diff --git a/Sources/DesktopManager/WindowManager.cs b/Sources/DesktopManager/WindowManager.cs
index b17cd1b..f137f21 100644
--- a/Sources/DesktopManager/WindowManager.cs
+++ b/Sources/DesktopManager/WindowManager.cs
@@ -132,7 +132,7 @@ public void SetWindowPosition(WindowInfo windowInfo, int left, int top) {
                 top,
                 -1,
                 -1,
-                1)) {
+                MonitorNativeMethods.SWP_NOZORDER | MonitorNativeMethods.SWP_NOSIZE)) {
                 throw new InvalidOperationException("Failed to set window position");
             }
         }
@@ -146,11 +146,9 @@ public void SetWindowPosition(WindowInfo windowInfo, int left, int top) {
         /// <param name="width">The width of the window. Use -1 to keep current width.</param>
         /// <param name="height">The height of the window. Use -1 to keep current height.</param>
         public void SetWindowPosition(WindowInfo windowInfo, int left, int top, int width = -1, int height = -1) {
-            const int SWP_NOZORDER = 0x0004;
             const int SWP_NOMOVE = 0x0002;
-            const int SWP_NOSIZE = 0x0001;
 
-            int flags = SWP_NOZORDER;
+            int flags = MonitorNativeMethods.SWP_NOZORDER;
 
             // If position is -1, don't move
             if (left < 0 && top < 0) {
@@ -159,7 +157,7 @@ public void SetWindowPosition(WindowInfo windowInfo, int left, int top, int widt
 
             // If size is -1, don't resize
             if (width < 0 && height < 0) {
-                flags |= SWP_NOSIZE;
+                flags |= MonitorNativeMethods.SWP_NOSIZE;
             }
 
             if (!MonitorNativeMethods.SetWindowPos(