From: Václav Slavík <vslavik@fastmail.fm>
Date: Sun, 27 Jan 2002 00:47:13 +0000 (+0000)
Subject: update the screen before gaining access to wxWindowDC
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/350d00642781486fcefd4bb7b27d8ef39f3276a9

update the screen before gaining access to wxWindowDC


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13845 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/mgl/dcclient.cpp b/src/mgl/dcclient.cpp
index 54ade252ff..e5b507cc92 100644
--- a/src/mgl/dcclient.cpp
+++ b/src/mgl/dcclient.cpp
@@ -32,6 +32,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC)
 wxWindowDC::wxWindowDC(wxWindow *win) : m_wnd(win)
 {
     MGLDevCtx *dc = win->GetPaintMGLDC();
+
     if ( dc )
     {
         m_inPaintHandler = TRUE;
@@ -42,6 +43,10 @@ wxWindowDC::wxWindowDC(wxWindow *win) : m_wnd(win)
     else
     {
         m_inPaintHandler = FALSE;
+        
+        // VS: we have to update here so that screen's content is up-to-date
+        //     and blitting from wxWindowDC works as expected
+        win->Update();
 
         dc = new MGLDevCtx(MGL_wmBeginPaint(win->GetHandle()));