LB_SETCOLUMNWIDTH  19MP7RL 

An application sends an LB_SETCOLUMNWIDTH message to a multiple-column list box (created with the LBS_MULTICOLUMN style) to set the width, in pixels, of all columns in the list box.

LB_SETCOLUMNWIDTH

wParam = (WPARAM) cxColumn; // column width in pixels

lParam = 0;                 // not used; must be zero

Parameters

cxColumn

Value of wParam. Specifies the width, in pixels, of all columns.

Return Values

This message does not return a value.

See Also