wfreerdp: WM_SIZE: only update canvas diff if window size is bigger than 0

diff --git a/client/Windows/wf_event.c b/client/Windows/wf_event.c
index 1f2c9c8..941ff52 100644 (file)
--- a/client/Windows/wf_event.c
+++ b/client/Windows/wf_event.c
@@ -284,11 +284,14 @@ LRESULT CALLBACK wf_event_proc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam
                                        wfc->client_y = windowRect.top;
                                }
                                
-                               wf_size_scrollbars(wfc, LOWORD(lParam), HIWORD(lParam));
+                               if (wfc->client_width && wfc->client_height)
+                               {
+                                       wf_size_scrollbars(wfc, LOWORD(lParam), HIWORD(lParam));
 
-                               // Workaround: when the window is maximized, the call to "ShowScrollBars" returns TRUE but has no effect.
-                               if (wParam == SIZE_MAXIMIZED && !wfc->fullscreen)
-                                       SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, windowRect.right - windowRect.left, windowRect.bottom - windowRect.top, SWP_NOMOVE | SWP_FRAMECHANGED);
+                                       // Workaround: when the window is maximized, the call to "ShowScrollBars" returns TRUE but has no effect.
+                                       if (wParam == SIZE_MAXIMIZED && !wfc->fullscreen)
+                                               SetWindowPos(wfc->hwnd, HWND_TOP, 0, 0, windowRect.right - windowRect.left, windowRect.bottom - windowRect.top, SWP_NOMOVE | SWP_FRAMECHANGED);
+                               }
 
                                break;