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Header_GetItemCount info Overview GroupThe Header_GetItemCount macro retrieves a count of the items in a header control. You can use this macro or explicitly send the HDM_GETITEMCOUNT message. int Header_GetItemCount(
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Return ValuesIf the operation succeeds, the return value is the number of items. If the operation fails, the return value is - 1. RemarksThe Header_GetItemCount macro is defined as follows: #define Header_GetItemCount(hwndHD) \ (int)SendMessage((hwndHD), HDM_GETITEMCOUNT, 0, 0L) See Also |