Add wxTextEntryDialog::SetMaxLength().

Allow restricting the maximal number of characters that can be entered in
wxTextEntryDialog.

Closes #15158.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73832 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/textdlgg.cpp

@@ -151,6 +151,11 @@ void wxTextEntryDialog::OnOK(wxCommandEvent& WXUNUSED(event) )
     }
 }
 
+void wxTextEntryDialog::SetMaxLength(unsigned long len)
+{
+    m_textctrl->SetMaxLength(len);
+}
+
 void wxTextEntryDialog::SetValue(const wxString& val)
 {
     m_value = val;