Here i will explain use of Group Box and Picture Box in window form.
GroupBox :- In a groupBox other controls we can placed like a login form. When designing interface in windowsForms, you can use this control to create shape.
drage and down a group box from tool box it will look like this.
PictureBox :- Picturebox provides a rectangular region for an image. It support multiple format of images.
Step(1): Login form
firstly create a login form with 2 lable and 2 textbox and 1 button.
Now drag down a groupBox and place these login form into groupbox by selecting this form (shift+click).
Now drag down a PictureBox.
It will look like this and for getting picture click on sideBar option and select image
Now click Ok then you will show this picture in picturebox.
now run you applicationprevious