Index: src/OFObject.h
==================================================================
--- src/OFObject.h
+++ src/OFObject.h
@@ -207,19 +207,19 @@
 
 /**
  * \brief Performs the specified selector with the specified objects.
  *
  * \param selector The selector to perform
- * \param object The first object that is passed to the method specified by the
+ * \param object1 The first object that is passed to the method specified by the
  *		 selector
- * \param otherObject The second object that is passed to the method specified
- *		      by the selector
+ * \param object2 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)object
-	   withObject: (id)otherObject;
+	   withObject: (id)object1
+	   withObject: (id)object2;
 
 /**
  * \brief Checks two objects for equality.
  *
  * Classes containing data (like strings, arrays, lists etc.) should reimplement
@@ -595,10 +595,48 @@
  * It is automatically called when the retain count reaches zero.
  *
  * This also frees all memory in its memory pool.
  */
 - (void)dealloc;
+
+/**
+ * \brief Performs the specified selector after the specified delay.
+ *
+ * \param selector The selector to perform
+ * \param delay The delay after which the selector will be performed
+ */
+- (void)performSelector: (SEL)selector
+	     afterDelay: (double)delay;
+
+/**
+ * \brief Performs the specified selector with the specified object after the
+ *	  specified delay.
+ *
+ * \param selector The selector to perform
+ * \param object The object that is passed to the method specified by the
+ *		 selector
+ * \param delay The delay after which the selector will be performed
+ */
+- (void)performSelector: (SEL)selector
+	     withObject: (id)object
+	     afterDelay: (double)delay;
+
+/**
+ * \brief Performs the specified selector with the specified objects after the
+ *	  specified delay.
+ *
+ * \param selector The selector to perform
+ * \param object1 The first object that is passed to the method specified by the
+ *		 selector
+ * \param object2 The second object that is passed to the method specified by
+ *		  the selector
+ * \param delay The delay after which the selector will be performed
+ */
+- (void)performSelector: (SEL)selector
+	     withObject: (id)object1
+	     withObject: (id)object2
+	     afterDelay: (double)delay;
 @end
 
 /**
  * \brief A protocol for the creation of copies.
  */

Index: src/OFObject.m
==================================================================
--- src/OFObject.m
+++ src/OFObject.m
@@ -29,10 +29,11 @@
 #ifdef __QNX__
 # include <sys/syspage.h>
 #endif
 
 #import "OFObject.h"
+#import "OFTimer.h"
 
 #import "OFAllocFailedException.h"
 #import "OFEnumerationMutationException.h"
 #import "OFInitializationFailedException.h"
 #import "OFInvalidArgumentException.h"
@@ -574,10 +575,55 @@
 	id (*imp)(id, SEL, id, id) =
 	    (id(*)(id, SEL, id, id))[self methodForSelector: selector];
 
 	return imp(self, selector, object, otherObject);
 }
+
+- (void)performSelector: (SEL)selector
+	     afterDelay: (double)delay
+{
+	void *pool = objc_autoreleasePoolPush();
+
+	[OFTimer scheduledTimerWithTimeInterval: delay
+					 target: self
+				       selector: selector
+					repeats: NO];
+
+	objc_autoreleasePoolPop(pool);
+}
+
+- (void)performSelector: (SEL)selector
+	     withObject: (id)object
+	     afterDelay: (double)delay
+{
+	void *pool = objc_autoreleasePoolPush();
+
+	[OFTimer scheduledTimerWithTimeInterval: delay
+					 target: self
+				       selector: selector
+					 object: object
+					repeats: NO];
+
+	objc_autoreleasePoolPop(pool);
+}
+
+- (void)performSelector: (SEL)selector
+	     withObject: (id)object
+	     withObject: (id)otherObject
+	     afterDelay: (double)delay
+{
+	void *pool = objc_autoreleasePoolPush();
+
+	[OFTimer scheduledTimerWithTimeInterval: delay
+					 target: self
+				       selector: selector
+					 object: object
+					 object: object
+					repeats: NO];
+
+	objc_autoreleasePoolPop(pool);
+}
 
 - (const char*)typeEncodingForSelector: (SEL)selector
 {
 #if defined(OF_OBJFW_RUNTIME)
 	const char *ret;