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The ListView_SetItemCount macro prepares a list view control for adding
a large number of items. You can use this macro or explicitly send the LVM_SETITEMCOUNT
message.
VOID ListView_SetItemCount(
Parameters
-
hwnd
-
Handle to the list view control.
-
cItems
-
Number of items that the list view control will ultimately contain.
Return Values
No return value.
Remarks
By using the ListView_SetItemCount macro or the LVM_SETITEMCOUNT
message before adding a large number of items, you enable a list view control
to reallocate its internal data structures only once rather than every time
you add an item.
See Also
LVM_SETITEMCOUNT
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