diff --git a/include/Milsko/Core.h b/include/Milsko/Core.h
index 719bcd0..498e07f 100644
--- a/include/Milsko/Core.h
+++ b/include/Milsko/Core.h
@@ -3,12 +3,13 @@
 #define __MILSKO_CORE_H__
 
 #include <Milsko/MachDep.h>
-#include <Milsko/TypeDef.h>
+#include <Milsko/TypeDefs.h>
 
 MILSKODECL HMILSKO MilskoCreateWidget(MilskoClass class, HMILSKO parent, int x, int y, unsigned int width, unsigned int height);
 MILSKODECL void	   MilskoDestroyWidget(HMILSKO handle);
 MILSKODECL void	   MilskoLoop(HMILSKO handle);
 MILSKODECL void	   MilskoStep(HMILSKO handle);
 MILSKODECL int	   MilskoPending(HMILSKO handle);
+MILSKODECL void	   MilskoApply(HMILSKO handle, ...);
 
 #endif
diff --git a/include/Milsko/LowLevel.h b/include/Milsko/LowLevel.h
index 90bd765..c47e344 100644
--- a/include/Milsko/LowLevel.h
+++ b/include/Milsko/LowLevel.h
@@ -15,7 +15,7 @@ typedef void* HMILSKOCOLOR;
 #endif
 
 #include <Milsko/MachDep.h>
-#include <Milsko/TypeDef.h>
+#include <Milsko/TypeDefs.h>
 
 MILSKODECL HMILSKOLL	MilskoLLCreate(HMILSKOLL parent, int x, int y, int width, int height);
 MILSKODECL void		MilskoLLDestroy(HMILSKOLL handle);
diff --git a/include/Milsko/MachDep.h b/include/Milsko/MachDep.h
index 76917e4..406d95b 100644
--- a/include/Milsko/MachDep.h
+++ b/include/Milsko/MachDep.h
@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <stdarg.h>
 #ifdef _WIN32
 #else
 #include <unistd.h>
diff --git a/include/Milsko/TypeDef.h b/include/Milsko/TypeDefs.h
similarity index 88%
rename from include/Milsko/TypeDef.h
rename to include/Milsko/TypeDefs.h
index d29a471..78b7ad0 100644
--- a/include/Milsko/TypeDef.h
+++ b/include/Milsko/TypeDefs.h
@@ -1,6 +1,6 @@
 /* $Id$ */
-#ifndef __MILSKO_TYPEDEF_H__
-#define __MILSKO_TYPEDEF_H__
+#ifndef __MILSKO_TYPEDEFS_H__
+#define __MILSKO_TYPEDEFS_H__
 
 #include <Milsko/MachDep.h>
 
diff --git a/include/Milsko/Window.h b/include/Milsko/Window.h
new file mode 100644
index 0000000..ee2b3ce
--- /dev/null
+++ b/include/Milsko/Window.h
@@ -0,0 +1,9 @@
+/* $Id$ */
+#ifndef __MILSKO_WINDOW_H__
+#define __MILSKO_WINDOW_H__
+
+#include <Milsko/MachDep.h>
+
+MILSKODECL MilskoClass MilskoWindowClass;
+
+#endif
diff --git a/src/core.c b/src/core.c
index dbdab74..d9ad812 100644
--- a/src/core.c
+++ b/src/core.c
@@ -59,3 +59,13 @@ MILSKODECL void MilskoLoop(HMILSKO handle) {
 		MilskoLLSleep(10);
 	}
 }
+
+void MilskoApply(HMILSKO handle, ...) {
+	va_list va;
+	char* key;
+
+	va_start(va, handle);
+	while((key = va_arg(va, char*)) != NULL){
+	}
+	va_end(va);
+}