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Gets the width of the bitmap margin for a header control. You can send this message explicitly or use the Header_GetBitmapMargin macro.
Parameters
-
wParam
- Must be zero.
-
lParam
- Must be zero.
Return value
Returns the width of the bitmap margin in pixels. If the bitmap margin was not previously specified, the default value of 3* GetSystemMetrics (SM_CXEDGE) is returned.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|