public AddingContrastCommand(float contrast, VideoEditor videoEditor, CommandHistory commandHistory)
: base(videoEditor, commandHistory)
{
_contrast = contrast;
_previousContrast = videoEditor.Contrast;
}
protected AbstractUndoableCommand(VideoEditor videoEditor, CommandHistory history)
{
VideoEditor = videoEditor;
History = history;
}
public AddingLabelCommand(string text, VideoEditor videoEditor, CommandHistory commandHistory)
: base(videoEditor, commandHistory)
{
_text = text;
_previousLabel = VideoEditor.Text;
}
