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ITextDocument::BeginEditCollection method

Turns on edit collection (also called undo grouping).

Syntax


HRESULT BeginEditCollection();

Parameters

This method has no parameters.

Return value

Type: HRESULT

If the method succeeds, it returns S_OK. If the method fails, it returns one of the following COM error codes. For more information about COM error codes, see Error Handling in COM.

Return codeDescription
S_FALSE

Undo is not enabled.

E_NOTIMPL

This method is not implemented.

 

Remarks

A single Undo command undoes all changes made while edit collection is turned on. While edit collection is on, the screen is frozen even if the freeze count is zero.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Tom.h

DLL

Msftedit.dll

See also

Reference
ITextDocument
EndEditCollection
Freeze
Conceptual
Text Object Model

 

 

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