Unsupported Edit Control Functionality

Rich edit controls support most but not all of the functionality of multiline edit controls. This section lists the edit control messages and window styles that are not supported by rich edit controls.

The following messages are processed by edit controls but not by rich edit controls.

Unsupported message	Comments
EM_FMTLINES	Not supported.
EM_GETHANDLE	Rich edit controls do not store text as a simple array of characters.
EM_GETMARGINS	Not supported.
EM_GETPASSWORDCHAR	The ES_PASSWORD style is not supported.
EM_SETHANDLE	Rich edit controls do not store text as a simple array of characters.
EM_SETMARGINS	Not supported.
EM_SETPASSWORDCHAR	The ES_PASSWORD style is not supported.
EM_SETRECTNP	Not supported.
EM_SETTABSTOPS	The EM_SETPARAFORMAT message is used instead.
WM_CTLCOLOR	The EM_SETBKGNDCOLOR message is used instead.
WM_GETFONT	The EM_GETCHARFORMAT message is used instead.

The following window styles are used with multiline edit controls but not with rich edit controls:

ES_LOWERCASE	ES_PASSWORD
ES_OEMCONVERT	ES_UPPERCASE

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