added wxTextCtrl::IsEmpty()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41740 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2006-10-08 17:52:39 +00:00
parent f6519b40fe
commit 28fdd8db44
6 changed files with 24 additions and 3 deletions
--- a/include/wx/textctrl.h
+++ b/include/wx/textctrl.h
@@ -300,6 +300,8 @@ public:
    virtual wxString GetValue() const = 0;
    virtual void SetValue(const wxString& value) = 0;

+    virtual bool IsEmpty() const { return GetValue().empty(); }
+
    virtual void ChangeValue(const wxString &value) = 0;

    virtual wxString GetRange(long from, long to) const;