EM_SELECTIONTYPE Message

The EM_SELECTIONTYPE message determines the selection type 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_SELECTIONTYPE,
    // message ID
   (WPARAM) wParam,
    // = (WPARAM) () wParam;
   (LPARAM) lParam
    // = (LPARAM) () lParam;

);

Parameters

wParam
Not used; must be zero.
lParam
Not used; must be zero.

Return Value

If the selection is empty, the return value is SEL_EMPTY.
If the selection is not empty, the return value is a set of flags containing one or more of the following values.
SEL_TEXT Text.
SEL_OBJECT At least one Component Object Model (COM) object.
SEL_MULTICHAR More than one character of text.
SEL_MULTIOBJECT More than one COM object.

Remarks

This message is useful during WM_SIZE processing for the parent of a bottomless rich edit control.

Message Information

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