diff --git a/examples/select_window.php b/examples/select_and_grow.php
similarity index 59%
rename from examples/select_window.php
rename to examples/select_and_grow.php
index 68a109a..bb84b2d 100644
--- a/examples/select_window.php
+++ b/examples/select_and_grow.php
@@ -6,6 +6,11 @@ use NoccyLabs\X11\WindowSelector;
 
 $selector = new WindowSelector();
 
+// Select  window
 printf("Click a window to select it...\n");
 $window = $selector->select();
 $window->dump();
+
+// Grow the window by 10 pixels
+$size = $window->getWindowSize();
+$window->setWindowSize($size->width + 10, $size->height + 10);
\ No newline at end of file
diff --git a/src/Window.php b/src/Window.php
index 2386d18..03dc213 100644
--- a/src/Window.php
+++ b/src/Window.php
@@ -86,12 +86,34 @@ class Window
         return $this;
     }
 
+    public function getWindowSize()
+    {
+        exec("xdotool getwindowgeometry {$this->windowId}", $output, $status);
+        $str = join("\n",$output);
+
+        if (preg_match('/Geometry: ([0-9]+?)x([0-9]+?)$/i', $str, $match)) {
+            return (object)[
+                'width' => intval($match[1]),
+                'height' => intval($match[2])
+            ];
+        }
+        return false;
+    }
+
+    public function setWindowSize($width, $height)
+    {
+        exec("xdotool windowsize {$this->windowId} {$width} {$height}");
+        return $this;
+    }
+
     public function dump()
     {
-        printf("Window: (id=0x%08x)\n  Title: %s\n  Visible: %s\n",
+        $size = $this->getWindowSize();
+        printf("Window: (id=0x%08x)\n  Title: %s\n  Visible: %s\n  Size: %dx%d\n",
             $this->windowId,
             $this->windowTitle,
-            $this->isVisible?'true':'false'
+            $this->isVisible?'true':'false',
+            $size->width, $size->height
         );
     }
 }