diff --git a/.gitignore b/.gitignore
index 5a8ddba..e763e57 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,7 +8,7 @@
 
 
 #binary stuff
-!*.dll
+*.dll
 *.pdb
 *.mdb
 *.exe
diff --git a/README.md b/README.md
index 9607df1..4dbe77c 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,22 @@
 RangeBar
 ===============
 
-This range bar project have dll file and source code.
+This is range bar project.
+-----------------------------------------------------------------------------------------------------------------------
+You can compile file by yourself and drag dll file to your visual studio C# tool box, 
+then you can see this controller and use it.
 
-You can compile file by yourself or use dll file directly.
+Properties:
+	HeightOfBar: Height of bar
+	HeightOfMark: Height of mark(Slider)
+	HeightOfTick: Height of scale tick of bar
+	InnerColor: The inner color of the bar between 2 sliders
+	RangeMaximum: Larger slider's value
+	RangeMinimum: Smaller slider's value
+	ScaleOrientation: The scale tick orientation of the bar(top, bottom or both)
+	TotalMaximum: The total maximum value of slider
+	TotalMinimum: The total minimum value of slider
 
-There are 2 events.
-
-RangeChanged: This event is triggered after the bar dragged by mouse (mouse up)
-
-RangeChanging: This event is triggered when the bar dragged by mouse
\ No newline at end of file
+Event:
+	RangeChanged: This event is triggered after the bar dragged by mouse (mouse up)
+	RangeChanging: This event is triggered when the bar dragged by mouse
\ No newline at end of file