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4/8/2010
This message retrieves a count of the items in a header control. You can send this message explicitly or use the Header_GetItemCount macro.
Syntax
HDM_GETITEMCOUNT wParam = 0;
lParam = 0;
Parameters
- wParam
Not used.
- lParam
Not used.
Return Value
The number of items indicates success. -1 indicates failure.
Requirements
| Header | commctrl.h |
| Windows Embedded CE | Windows CE 1.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
See Also
Reference
Header Controls Messages
Header_GetItemCount
HDITEM
HDM_GETITEM