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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| -
| Header File
| commdlg.h
| Unicode
| WinNT
| Platform Notes
| None
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SHAREVISTRING
An Open or Save As dialog box sends the SHAREVISTRING registered message to
your hook procedure if a sharing violation occurs for the selected file when the
user clicks the OK button.
For Explorer-style Open and Save As dialog boxes, this message has been
superseded by the CDN_SHAREVIOLATION notification message.
MessageID = RegisterWindowMessage(SHAREVISTRING);
wParam = 0;
lpofn = (LPOPENFILENAME) lParam;
Parameters
lpofn
Pointer to a OPENFILENAME structure. The lpstrFile member of this structure contains the filename that caused the sharing
violation.
Return Values
The hook procedure must return one of the following values to indicate how the
dialog box should handle the sharing violation:
Return value
| Description
| OFN_SHAREFALLTHROUGH
| Accept the filename
| OFN_SHARENOWARN
| Reject the filename but do not warn the user. The application is responsible
for displaying a warning message.
| OFN_SHAREWARN
| Rejects the filename and displays a warning message (the same result as if
there were no hook procedure).
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Remarks
The hook procedure must specify the SHAREVISTRING constant in a call to the RegisterWindowMessage function to get the identifier for the message sent by the dialog box.
The dialog box sends the SHAREVISTRING registered message only if you did not
specify the OFN_SHAREAWARE flag in the Flags member of the OPENFILENAME structure when you created the dialog.
If the hook procedure returns an undefined value, the dialog box responds as
if OFN_SHAREWARN was returned.
See Also
CDN_SHAREVIOLATION, OPENFILENAME, RegisterWindowMessage
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