Fix helper: get rid of direct casts to HWND to make errors more obvious.

1 files changed, 4 insertions, 0 deletions

diff --git a/new/ui_windows.h b/new/ui_windows.h
index 0fba593..70badb4 100644
--- a/new/ui_windows.h
+++ b/new/ui_windows.h
@@ -7,6 +7,10 @@ This file assumes that you have included <windows.h> and "ui.h" beforehand. It p
 #ifndef __UI_UI_WINDOWS_H__
 #define __UI_UI_WINDOWS_H__
 
+// Correctness macros.
+#define uiControlHWND(c) ((HWND) uiControlHandle(c))
+#define uiParentHWND(p) ((HWND) uiParentHandle(p))
+
 // uiWindowsNewControl() creates a new uiControl with the given Windows API control inside.
 // You will need to provide the preferredSize() method yourself.
 typedef struct uiWindowsNewControlParams uiWindowsNewControlParams;