An electronic device, comprising: a touchscreen display; at least one processor, wherein the at least one processor is configured to: display, on the touchscreen display, an execution screen of a memo application including a window area to receive a drawing input in a first size, and a remaining display screen area, identify a drawing input while a size of the execution screen of the memo application is maintained, wherein the drawing input begins in the window area and continues into the remaining display screen area; after a reception of the drawing input is finished, identify an enlargement size to display an object corresponding to the drawing input and including a first part of the object corresponding to the window area and a second part of the object corresponding to the remaining display screen area, wherein the first part of the object corresponding to the window is displayed and the second part of the object corresponding to the remaining display screen area is not displayed before the execution screen of the memo application is enlarged according to the enlargement size, enlarge the execution screen of the memo application from the first size to a second size larger than the first size, wherein the second size is determined by the identified enlargement size and a predetermined size added to the identified enlargement size, and display the object in the enlarged execution screen of the memo application based on the second size. a touchscreen display; at least one processor, wherein the at least one processor is configured to: display, on the touchscreen display, an execution screen of a memo application including a window area to receive a drawing input in a first size, and a remaining display screen area, identify a drawing input while a size of the execution screen of the memo application is maintained, wherein the drawing input begins in the window area and continues into the remaining display screen area; after a reception of the drawing input is finished, identify an enlargement size to display an object corresponding to the drawing input and including a first part of the object corresponding to the window area and a second part of the object corresponding to the remaining display screen area, wherein the first part of the object corresponding to the window is displayed and the second part of the object corresponding to the remaining display screen area is not displayed before the execution screen of the memo application is enlarged according to the enlargement size, enlarge the execution screen of the memo application from the first size to a second size larger than the first size, wherein the second size is determined by the identified enlargement size and a predetermined size added to the identified enlargement size, and display the object in the enlarged execution screen of the memo application based on the second size. display, on the touchscreen display, an execution screen of a memo application including a window area to receive a drawing input in a first size, and a remaining display screen area, identify a drawing input while a size of the execution screen of the memo application is maintained, wherein the drawing input begins in the window area and continues into the remaining display screen area; after a reception of the drawing input is finished, identify an enlargement size to display an object corresponding to the drawing input and including a first part of the object corresponding to the window area and a second part of the object corresponding to the remaining display screen area, wherein the first part of the object corresponding to the window is displayed and the second part of the object corresponding to the remaining display screen area is not displayed before the execution screen of the memo application is enlarged according to the enlargement size, enlarge the execution screen of the memo application from the first size to a second size larger than the first size, wherein the second size is determined by the identified enlargement size and a predetermined size added to the identified enlargement size, and display the object in the enlarged execution screen of the memo application based on the second size.