func (c *container) beginResize() (d *sizing) {
var baseX, baseY C.int
var internalLeading C.LONG
d = new(sizing)
C.calculateBaseUnits(c.hwnd, &baseX, &baseY, &internalLeading)
d.baseX = baseX
d.baseY = baseY
d.internalLeading = internalLeading
if spaced {
d.xmargin = fromdlgunitsX(marginDialogUnits, d)
d.ymargintop = fromdlgunitsY(marginDialogUnits, d)
d.ymarginbottom = d.ymargintop
d.xpadding = fromdlgunitsX(paddingDialogUnits, d)
d.ypadding = fromdlgunitsY(paddingDialogUnits, d)
}
if c.isGroup {
// note that these values apply regardless of whether or not spaced is set
// this is because Windows groupboxes have the client rect spanning the entire size of the control, not just the active work area
// the measurements Microsoft give us are for spaced margining; let's just use them
d.xmargin = fromdlgunitsX(groupXMargin, d)
d.ymargintop = fromdlgunitsY(groupYMarginTop, d)
d.ymarginbottom = fromdlgunitsY(groupYMarginBottom, d)
}
return d
}
func beginResize(hwnd C.HWND) (d *sizing) {
var baseX, baseY C.int
var internalLeading C.LONG
d = new(sizing)
C.calculateBaseUnits(hwnd, &baseX, &baseY, &internalLeading)
d.baseX = baseX
d.baseY = baseY
d.internalLeading = internalLeading
d.xpadding = fromdlgunitsX(paddingDialogUnits, d)
d.ypadding = fromdlgunitsY(paddingDialogUnits, d)
return d
}