How to resize the panel according to winforms size

Hey there! Try this : Screen.PrimaryScreen.Bounds.Height; Screen.PrimaryScreen.Bounds.Width; You can use anchor and dock properties of form to resize your form. Here are some articles on that topic, that you should try. 1) http://stackoverflow.com/questions/5962595/how-do-you-resize-a-form-to-fit-its-content-automatically 2) http://www.techrepublic.com/article/manage-winform-controls-using-the-anchor-and-dock-properties/ 3) http://www.c-sharpcorner.com/UploadFile/c5c6e2/dynamically-resizing-controls-on-windows-forms-using-ancho/