ES_WANTRETURN top-level constant
int
const ES_WANTRETURN
Specifies that a carriage return be inserted when the user presses the ENTER key while entering text into a multiline edit control in a dialog box. If you do not specify this style, pressing the ENTER key has the same effect as pressing the dialog box's default push button. This style has no effect on a single-line edit control.
Implementation
const ES_WANTRETURN = 0x1000;