Document wxWindow::Get{Min,Max}{Width,Height}().

These methods were not documented and somehow inherited the description of the
first method of the group they were in, which didn't make any sense for them.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73149 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/window.h

@@ -952,9 +952,40 @@ public:
     */
     virtual wxSize GetMinSize() const;
 
+    /**
+        Returns the horizontal component of window minimal size.
+
+        The returned value is wxDefaultCoord if the minimal width was not set.
+
+        @see GetMinSize()
+     */
     int GetMinWidth() const;
+
+    /**
+        Returns the vertical component of window minimal size.
+
+        The returned value is wxDefaultCoord if the minimal height was not set.
+
+        @see GetMinSize()
+     */
     int GetMinHeight() const;
+
+    /**
+        Returns the horizontal component of window maximal size.
+
+        The returned value is wxDefaultCoord if the maximal width was not set.
+
+        @see GetMaxSize()
+     */
     int GetMaxWidth() const;
+
+    /**
+        Returns the vertical component of window maximal size.
+
+        The returned value is wxDefaultCoord if the maximal width was not set.
+
+        @see GetMaxSize()
+     */
     int GetMaxHeight() const;
 
     /**