HDM_SETBITMAPMARGIN message

Sets the width of the margin, specified in pixels, of a bitmap in an existing header control. You can send this message explicitly or use the Header_SetBitmapMargin macro.

Parameters

wParam

The width, specified in pixels, of the margin that surrounds a bitmap within an existing header control.

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

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Commctrl.h

See also

HDM_GETBITMAPMARGIN

 

 

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