Index: src/OFObject.h
==================================================================
--- src/OFObject.h
+++ src/OFObject.h
@@ -79,10 +79,42 @@
  * \param selector The selector which should be checked for respondance
  * \return A boolean whether the objects responds to the specified selector
  */
 - (BOOL)respondsToSelector: (SEL)selector;
 
+/**
+ * Performs the specified selector.
+ *
+ * \param selector The selector to perform
+ * \return The object returned by the method specified by the selector
+ */
+- (id)performSelector: (SEL)selector;
+
+/**
+ * Performs the specified selector with the specified object.
+ *
+ * \param selector The selector to perform
+ * \param obj The object that is passed to the method specified by the selector
+ * \return The object returned by the method specified by the selector
+ */
+- (id)performSelector: (SEL)selector
+	   withObject: (id)obj;
+
+/**
+ * Performs the specified selector with the specified objects.
+ *
+ * \param selector The selector to perform
+ * \param obj1 The first object that is passed to the method specified by the
+ *             selector
+ * \param obj2 The second object that is passed to the method specified by the
+ *             selector
+ * \return The object returned by the method specified by the selector
+ */
+- (id)performSelector: (SEL)selector
+	   withObject: (id)obj1
+	   withObject: (id)obj2;
+
 /**
  * Checks two objects for equality.
  *
  * Classes containing data (like strings, arrays, lists etc.) should reimplement
  * this!

Index: src/OFObject.m
==================================================================
--- src/OFObject.m
+++ src/OFObject.m
@@ -479,10 +479,34 @@
 	return objc_msg_lookup(self, selector);
 #else
 	return class_getMethodImplementation(isa, selector);
 #endif
 }
+
+- (id)performSelector: (SEL)selector
+{
+	id (*imp)() = (id(*)())[self methodForSelector: selector];
+
+	return imp();
+}
+
+- (id)performSelector: (SEL)selector
+	   withObject: (id)obj
+{
+	id (*imp)(id) = (id(*)(id))[self methodForSelector: selector];
+
+	return imp(obj);
+}
+
+- (id)performSelector: (SEL)selector
+	   withObject: (id)obj1
+	   withObject: (id)obj2
+{
+	id (*imp)(id, id) = (id(*)(id, id))[self methodForSelector: selector];
+
+	return imp(obj1, obj2);
+}
 
 - (const char*)typeEncodingForSelector: (SEL)selector
 {
 #if defined(OF_OBJFW_RUNTIME)
 	const char *ret;