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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_GetItemCountmacro.
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 |