diff --git a/objects/base.lua b/objects/base.lua
index f044ece..b6dd7c5 100644
--- a/objects/base.lua
+++ b/objects/base.lua
@@ -479,36 +479,55 @@ function newobject:CenterWithinArea(x, y, width, height)
 end
 
 --[[---------------------------------------------------------
-	- func: SetSize(width, height)
+	- func: SetSize(width, height, r1, r2)
 	- desc: sets the object's size
 --]]---------------------------------------------------------
-function newobject:SetSize(width, height)
+function newobject:SetSize(width, height, r1, r2)
 
-	self.width = width
-	self.height = height
+	if r1 then
+		self.width = self.parent.width * width
+	else
+		self.width = width
+	end
+	
+	if r2 then
+		self.height = self.parent.height * height
+	else
+		self.height = height
+	end
 	
 	return self
 	
 end
 
 --[[---------------------------------------------------------
-	- func: SetWidth(width)
+	- func: SetWidth(width, relative)
 	- desc: sets the object's width
 --]]---------------------------------------------------------
-function newobject:SetWidth(width)
+function newobject:SetWidth(width, relative)
 
-	self.width = width
+	if relative then
+		self.width = self.parent.width * width
+	else
+		self.width = width
+	end
+	
 	return self
 	
 end
 
 --[[---------------------------------------------------------
-	- func: SetHeight(height)
+	- func: SetHeight(height, relative)
 	- desc: sets the object's height
 --]]---------------------------------------------------------
-function newobject:SetHeight(height)
+function newobject:SetHeight(height, relative)
 
-	self.height = height
+	if relative then
+		self.height = self.parent.height * height
+	else
+		self.height = height
+	end
+	
 	return self
 	
 end
diff --git a/objects/checkbox.lua b/objects/checkbox.lua
index 0534171..9c51590 100644
--- a/objects/checkbox.lua
+++ b/objects/checkbox.lua
@@ -291,36 +291,55 @@ function newobject:GetText()
 end
 
 --[[---------------------------------------------------------
-	- func: SetSize(width, height)
+	- func: SetSize(width, height, r1, r2)
 	- desc: sets the object's size
 --]]---------------------------------------------------------
-function newobject:SetSize(width, height)
+function newobject:SetSize(width, height, r1, r2)
 
-	self.boxwidth = width
-	self.boxheight = height
+	if r1 then
+		self.boxwidth = self.parent.width * width
+	else
+		self.boxwidth = width
+	end
+	
+	if r2 then
+		self.boxheight = self.parent.height * height
+	else
+		self.boxheight = height
+	end
 	
 	return self
 	
 end
 
 --[[---------------------------------------------------------
-	- func: SetWidth(width)
+	- func: SetWidth(width, relative)
 	- desc: sets the object's width
 --]]---------------------------------------------------------
-function newobject:SetWidth(width)
+function newobject:SetWidth(width, relative)
 
-	self.boxwidth = width
+	if relative then
+		self.boxwidth = self.parent.width * width
+	else
+		self.boxwidth = width
+	end
+	
 	return self
 	
 end
 
 --[[---------------------------------------------------------
-	- func: SetHeight(height)
+	- func: SetHeight(height, relative)
 	- desc: sets the object's height
 --]]---------------------------------------------------------
-function newobject:SetHeight(height)
+function newobject:SetHeight(height, relative)
 
-	self.boxheight = height
+	if relative then
+		self.boxheight = self.parent.height * height
+	else
+		self.boxheight = height
+	end
+	
 	return self
 	
 end
diff --git a/objects/collapsiblecategory.lua b/objects/collapsiblecategory.lua
index 9508f23..4b08844 100644
--- a/objects/collapsiblecategory.lua
+++ b/objects/collapsiblecategory.lua
@@ -273,12 +273,17 @@ function newobject:GetObject()
 end
 
 --[[---------------------------------------------------------
-	- func: SetSize(width, height)
+	- func: SetSize(width, height, relative)
 	- desc: sets the object's size
 --]]---------------------------------------------------------
-function newobject:SetSize(width, height)
+function newobject:SetSize(width, height, relative)
 
-	self.width = width
+	if relative then
+		self.width = self.parent.width * width
+	else
+		self.width = width
+	end
+	
 	return self
 	
 end
diff --git a/objects/columnlist.lua b/objects/columnlist.lua
index 81ecf27..b5fc1ea 100644
--- a/objects/columnlist.lua
+++ b/objects/columnlist.lua
@@ -296,16 +296,26 @@ function newobject:GetColumnSize()
 end
 
 --[[---------------------------------------------------------
-	- func: SetSize(width, height)
+	- func: SetSize(width, height, r1, r2)
 	- desc: sets the object's size
 --]]---------------------------------------------------------
-function newobject:SetSize(width, height)
+function newobject:SetSize(width, height, r1, r2)
 	
 	local internals = self.internals
 	local list = internals[1]
 	
-	self.width = width
-	self.height = height
+	if r1 then
+		self.width = self.parent.width * width
+	else
+		self.width = width
+	end
+	
+	if r2 then
+		self.height = self.parent.height * height
+	else
+		self.height = height
+	end
+	
 	self:AdjustColumns()
 	
 	list:SetSize(width, height)
@@ -318,15 +328,20 @@ function newobject:SetSize(width, height)
 end
 
 --[[---------------------------------------------------------
-	- func: SetWidth(width)
+	- func: SetWidth(width, relative)
 	- desc: sets the object's width
 --]]---------------------------------------------------------
-function newobject:SetWidth(width)
+function newobject:SetWidth(width, relative)
 	
 	local internals = self.internals
 	local list = internals[1]
 	
-	self.width = width
+	if relative then
+		self.width = self.parent.width * width
+	else
+		self.width = width
+	end
+	
 	self:AdjustColumns()
 	
 	list:SetSize(width)
@@ -339,15 +354,20 @@ function newobject:SetWidth(width)
 end
 
 --[[---------------------------------------------------------
-	- func: SetHeight(height)
+	- func: SetHeight(height, relative)
 	- desc: sets the object's height
 --]]---------------------------------------------------------
-function newobject:SetHeight(height)
+function newobject:SetHeight(height, relative)
 	
 	local internals = self.internals
 	local list = internals[1]
 	
-	self.height = height
+	if relative then
+		self.height = self.parent.height * height
+	else
+		self.height = height
+	end
+	
 	self:AdjustColumns()
 	
 	list:SetSize(height)
diff --git a/objects/list.lua b/objects/list.lua
index 93baef9..8cea958 100644
--- a/objects/list.lua
+++ b/objects/list.lua
@@ -589,12 +589,17 @@ function newobject:Clear()
 end
 
 --[[---------------------------------------------------------
-	- func: SetWidth(width)
+	- func: SetWidth(width, relative)
 	- desc: sets the object's width
 --]]---------------------------------------------------------
-function newobject:SetWidth(width)
+function newobject:SetWidth(width, relative)
 
-	self.width = width
+	if relative then
+		self.width = self.parent.width * width
+	else
+		self.width = width
+	end
+	
 	self:CalculateSize()
 	self:RedoLayout()
 	
@@ -603,12 +608,17 @@ function newobject:SetWidth(width)
 end
 
 --[[---------------------------------------------------------
-	- func: SetHeight(height)
+	- func: SetHeight(height, relative)
 	- desc: sets the object's height
 --]]---------------------------------------------------------
-function newobject:SetHeight(height)
+function newobject:SetHeight(height, relative)
 
-	self.height = height
+	if relative then
+		self.height = self.parent.height * height
+	else
+		self.height = height
+	end
+	
 	self:CalculateSize()
 	self:RedoLayout()
 	
@@ -617,13 +627,23 @@ function newobject:SetHeight(height)
 end
 
 --[[---------------------------------------------------------
-	- func: GetSize()
-	- desc: gets the object's size
+	- func: SetSize(width, height, r1, r2)
+	- desc: sets the object's size
 --]]---------------------------------------------------------
-function newobject:SetSize(width, height)
+function newobject:SetSize(width, height, r1, r2)
 
-	self.width = width
-	self.height = height
+	if r1 then
+		self.width = self.parent.width * width
+	else
+		self.width = width
+	end
+	
+	if r2 then
+		self.height = self.parent.height * height
+	else
+		self.height = height
+	end
+	
 	self:CalculateSize()
 	self:RedoLayout()
 	
diff --git a/objects/text.lua b/objects/text.lua
index bd1b652..8462d35 100644
--- a/objects/text.lua
+++ b/objects/text.lua
@@ -590,12 +590,17 @@ function newobject:GetMaxWidth()
 end
 
 --[[---------------------------------------------------------
-	- func: SetWidth(width)
+	- func: SetWidth(width, relative)
 	- desc: sets the object's width
 --]]---------------------------------------------------------
-function newobject:SetWidth(width)
+function newobject:SetWidth(width, relative)
 
-	self:SetMaxWidth(width)
+	if relative then
+		self:SetMaxWidth(self.parent.width * width)
+	else
+		self:SetMaxWidth(width)
+	end
+	
 	return self
 	
 end
@@ -611,12 +616,17 @@ function newobject:SetHeight(height)
 end
 
 --[[---------------------------------------------------------
-	- func: SetSize()
+	- func: SetSize(width, height, relative)
 	- desc: sets the object's size
 --]]---------------------------------------------------------
-function newobject:SetSize(width, height)
+function newobject:SetSize(width, height, relative)
 
-	self:SetMaxWidth(width)
+	if relative then
+		self:SetMaxWidth(self.parent.width * width)
+	else
+		self:SetMaxWidth(width)
+	end
+	
 	return self
 	
 end