EM_SETOPTIONS Message

---

The EM_SETOPTIONS message sets the options for a rich edit control.

Syntax

To send this message, call the SendMessage function as follows.

lResult = SendMessage(
    // returns LRESULT in lResult
   (HWND) hWndControl,
    // handle to destination control
   (UINT) EM_SETOPTIONS,
    // message ID
   (WPARAM) wParam,
    // = (WPARAM) () wParam;
   (LPARAM) lParam
    // = (LPARAM) () lParam;

);

Parameters

wParam

Specifies the operation, which can be one of these values.

ECOOP_SET

Sets the options to those specified by lParam.

ECOOP_OR

Combines the specified options with the current options.

ECOOP_AND

Retains only those current options that are also specified by lParam.

ECOOP_XOR

Logically exclusive OR the current options with those specified by lParam.

lParam

Specifies one or more of the following values.

ECO_AUTOWORDSELECTION

Automatic selection of word on double-click.

ECO_AUTOVSCROLL

Same as ES_AUTOVSCROLL style.

ECO_AUTOHSCROLL

Same as ES_AUTOHSCROLL style.

ECO_NOHIDESEL

Same as ES_NOHIDESEL style.

ECO_READONLY

Same as ES_READONLY style.

ECO_WANTRETURN

Same as ES_WANTRETURN style.

ECO_SELECTIONBAR

Same as ES_SELECTIONBAR style.

ECO_VERTICAL

Same as ES_VERTICAL style. Available in Asian-language versions only.

Return Value

This message returns the current option of edit control.

Message Information

Header	Declared in Richedit.h
Minimum operating systems	Windows 95, Windows NT 4.0

See Also

Rich Edit Controls, Rich Edit Control Styles