X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/07601f59450069025a45bd25de6961c8544f6449..42683dfb10210006f5763c433066cf158dea737f:/src/msw/textctrl.cpp

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index 4ba1eafe20..4d90bd0d72 100644
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -914,6 +914,14 @@ void wxTextCtrl::SetInsertionPoint(long pos)
 
 void wxTextCtrl::SetInsertionPointEnd()
 {
+    // we must not do anything if the caret is already there because calling
+    // SetInsertionPoint() thaws the controls if Freeze() had been called even
+    // if it doesn't actually move the caret anywhere and so the simple fact of
+    // doing it results in horrible flicker when appending big amounts of text
+    // to the control in a few chunks (see DoAddText() test in the text sample)
+    if ( GetInsertionPoint() == GetLastPosition() )
+        return;
+
     long pos;
 
 #if wxUSE_RICHEDIT