/// <summary>
/// キーが押された。各種操作。
/// </summary>
private void ExampleMoviePlayer_KeyDown(object sender, KeyEventArgs e)
{
int seek = 0;
switch (e.KeyCode)
{
case Keys.Enter: openMediaFileDialog.ShowDialog(); break; // 開く
case Keys.Space: if (graph != null && !graph.IsPlaying)
{
graph.Play();
}
else if (graph != null)
{
graph.Pause();
}
break; // 再生/一時停止
case Keys.Escape: if (graph != null)
{
graph.Stop();
}
break; // 停止
case Keys.Left: seek = -5000; break; // -5秒
case Keys.Right: seek = +5000; break; // +5秒
}
if (seek != 0)
{
if (graph != null)
{
graph.CurrentPosition = Math.Max(0, graph.CurrentPosition + seek);
}
if (waveOut != null)
{
waveOut.Stop();
}
}
}
