在窗体中添加一个image控件来显示matlab绘制的时域和频域波形图形。添加2个text控件用来输入采样点数和采样频率-in the form to add an image controls to show Matlab mapping in time domain and frequency domain waveform graphics. Add two controls for text input sampling frequency and sampling points

图像处理BMP图像，打开，显示，拉伸等操作-image processing image,open,show stretch and so on.