Method SetColumnsSizable

tableview.go:513–540

SetColumnsSizable sets if the user can change column widths by dragging dividers in the header.

(b bool)

// SetColumnsSizable sets if the user can change column widths by dragging
// dividers in the header.
func (tv *TableView) SetColumnsSizable(b bool) error {
	updateStyle := func(headerHWnd win.HWND) error {
		style := win.GetWindowLong(headerHWnd, win.GWL_STYLE)

		if b {
			style &^= win.HDS_NOSIZING
		} else {
			style |= win.HDS_NOSIZING
		}

		if 0 == win.SetWindowLong(headerHWnd, win.GWL_STYLE, style) {
			return lastError("SetWindowLong(GWL_STYLE)")
		}

		return nil
	}

	if err := updateStyle(tv.hwndFrozenHdr); err != nil {
		return err
	}
	if err := updateStyle(tv.hwndNormalHdr); err != nil {
		return err
	}

	tv.columnsSizableChangedPublisher.Publish()

	return nil
}

// ContextMenuLocation returns selected item position in screen coordinates in native pixels.
func (tv *TableView) ContextMenuLocation() Point {