SS_VQUERYDATA Structure

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See Also

Applies To

fpSpread control

Definition

typedef struct ss_vquerydata
    {
    SS_COORD Row;
    SS_COORD RowsNeeded;
    SS_COORD RowsLoaded;
    WORD wDirection;
    BOOL fAtTop;
    BOOL fAtBottom;
    } SS_VQUERYDATA, FAR *LPSS_VQUERYDATA;

Fields

The following fields are available:

Field	Description
Row	Virtual top row to begin assignment of data
RowsNeeded	Number of rows requested
RowsLoaded	Application should set the number of rows loaded before returning
wDirection	Direction to retrieve data Choose one of the following values:
	Constant	Description
	SS_VDOWN	The next group of data is needed.
	SS_VUP	The previous group of data is needed.
	SS_VTOP	The first group of data is needed.
	SS_VBOTTOM	The last group of data is needed.
	SS_VREFRESH	Used if the contents of the buffer are being refreshed as a result of the SSVRefreshBuffer function.
fAtTop	Application should set this flag to TRUE if the top of the data has been reached
fAtBottom	Application should set this flag to TRUE if the bottom of the data has been reached

Remarks

This structure is used with the SSM_VQUERYDATA message to inform the application that the sheet needs more data when the sheet is in virtual mode.

See Also

Customizing Virtual Mode