diff options
Diffstat (limited to 'grapher/Form1.cs')
| -rw-r--r-- | grapher/Form1.cs | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/grapher/Form1.cs b/grapher/Form1.cs index 6927211..51f1355 100644 --- a/grapher/Form1.cs +++ b/grapher/Form1.cs @@ -176,13 +176,16 @@ namespace grapher protected override void WndProc(ref Message m) { - if (m.Msg == 0x00ff) // WM_INPUT + if (!(AccelGUI is null)) { - AccelGUI.MouseWatcher.ReadMouseMove(m); - } - else if (m.Msg == 0x00fe) // WM_INPUT_DEVICE_CHANGE - { - AccelGUI.UpdateInputManagers(); + if (m.Msg == 0x00ff) // WM_INPUT + { + AccelGUI.MouseWatcher.ReadMouseMove(m); + } + else if (m.Msg == 0x00fe) // WM_INPUT_DEVICE_CHANGE + { + AccelGUI.UpdateInputManagers(); + } } base.WndProc(ref m); |