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NF:shlobj.IColumnProvider.GetItemData |
IColumnProvider::GetItemData (shlobj.h) |
Requests column data for a specified file. |
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shell\IColumnProvider_GetItemData.htm |
shell |
88e76f03-acc3-46b1-ad03-d2343f4f3dac |
12/05/2018 |
GetItemData, GetItemData method [Windows Shell], GetItemData method [Windows Shell],IColumnProvider interface, IColumnProvider interface [Windows Shell],GetItemData method, IColumnProvider.GetItemData, IColumnProvider::GetItemData, _win32_IColumnProvider_GetItemData, shell.IColumnProvider_GetItemData, shlobj/IColumnProvider::GetItemData |
shlobj.h |
Windows |
Windows 2000 Professional, Windows XP [desktop apps only] |
Windows Server 2003 [desktop apps only] |
Shell32.dll (version 5.0 or later) |
Windows |
19H1 |
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Requests column data for a specified file.
Type: LPCSHCOLUMNID
An SHCOLUMNID structure that identifies the column.
Type: LPCSHCOLUMNDATA
An SHCOLUMNDATA structure that specifies the file.
Type: VARIANT*
A pointer to a VARIANT with the data for the file specified by pscd that belongs in the column specified by pscid. Set this value if the file is a member of the class supported by the column provider.
Type: HRESULT
Returns S_OK if file data is returned, S_FALSE if the file is not supported by the column provider and no data is returned, or a COM error value otherwise.
This method is called to retrieve the data for a file to be displayed in the specified column. It should be thread-safe.
This method is called for every file that Windows Explorer displays, even though many of them will not be supported by a particular column provider. To improve performance, first check the pwszExt member of the structure pointed to by pscd to see if it has a file name extension that is supported by the column provider. If not, avoid unnecessary processing by immediately returning S_FALSE.