Did the previous commit, but for the Windows backend.

redo/button_windows.go

@@ -91,5 +91,5 @@ func (b *button) commitResize(a *allocation, d *sizing) {
 }
 
 func (b *button) getAuxResizeInfo(d *sizing) {
-	basegetAuxResizeInfo(d)
+	basegetAuxResizeInfo(b, d)
 }

redo/checkbox_windows.go

@@ -94,5 +94,5 @@ func (c *checkbox) commitResize(a *allocation, d *sizing) {
 }
 
 func (c *checkbox) getAuxResizeInfo(d *sizing) {
-	basegetAuxResizeInfo(d)
+	basegetAuxResizeInfo(c, d)
 }

redo/control_windows.go

@@ -5,6 +5,11 @@ package ui
 // #include "winapi_windows.h"
 import "C"
 
+type controlPrivate interface {
+	// TODO
+	Control
+}
+
 type controlbase struct {
 	hwnd	C.HWND
 	parent	C.HWND		// for Tab and Group
@@ -43,7 +48,7 @@ func basecommitResize(c *controlbase, a *allocation, d *sizing) {
 	C.moveWindow(c.hwnd, C.int(a.x), C.int(a.y), C.int(a.width), C.int(a.height))
 }
 
-func basegetAuxResizeInfo(d *sizing) {
+func basegetAuxResizeInfo(c controlPrivate, d *sizing) {
 	// do nothing
 }
 

redo/label_windows.go

@@ -80,5 +80,5 @@ func (l *label) commitResize(c *allocation, d *sizing) {
 }
 
 func (l *label) getAuxResizeInfo(d *sizing) {
-	basegetAuxResizeInfo(d)
+	basegetAuxResizeInfo(l, d)
 }

redo/tab_windows.go

@@ -116,5 +116,5 @@ func (t *tab) commitResize(c *allocation, d *sizing) {
 }
 
 func (t *tab) getAuxResizeInfo(d *sizing) {
-	basegetAuxResizeInfo(d)
+	basegetAuxResizeInfo(t, d)
 }

redo/table_windows.go

@@ -84,5 +84,5 @@ func (t *table) commitResize(a *allocation, d *sizing) {
 }
 
 func (t *table) getAuxResizeInfo(d *sizing) {
-	basegetAuxResizeInfo(d)
+	basegetAuxResizeInfo(t, d)
 }

redo/textfield_windows.go

@@ -69,5 +69,5 @@ func (t *textField) commitResize(a *allocation, d *sizing) {
 }
 
 func (t *textField) getAuxResizeInfo(d *sizing) {
-	basegetAuxResizeInfo(d)
+	basegetAuxResizeInfo(t, d)
 }