准备:

新建文本文档(.txt)修改扩展名为.ini,打开写入 

[Settings]

Text=

R=

255

G=

255

B=

255

引用的API结构:

   

        [System.Runtime.InteropServices.DllImport( 

"

kernel32 

")]    

        

private 

static 

extern 

long WritePrivateProfileString(

string   section,

string   key,

string   val,

string   filePath);    

        [System.Runtime.InteropServices.DllImport( 

"

kernel32 

")]    

        

private 

static 

extern 

int GetPrivateProfileString(

string   section,

string   key,

string   def,StringBuilder   retVal,

int   size,

string   filePath);   

读取方法:

  

        

private 

void Form1_Activated(

object sender, EventArgs e)

        {

            textBox1.Text = GetIniValue(

"

Settings

", 

"

Text

");

            

int R = 

int.Parse(GetIniValue(

"

Settings

", 

"

R

"));

            

int G = 

int.Parse(GetIniValue(

"

Settings

", 

"

G

"));

            

int B = 

int.Parse(GetIniValue(

"

Settings

", 

"

B

"));

            textBox1.BackColor = Color.FromArgb(R, G, B);

            Activated -= 

new EventHandler(Form1_Activated);

        }

        

private 

string GetIniValue(

string section, 

string key)

        {

            StringBuilder sb = 

new StringBuilder(

255);                

//

255为字符串长度

            GetPrivateProfileString(section, key, 

"", sb, 

255, path); 

            

return sb.ToString();

        } 

 保存方法:

 

        

private 

void Form1_FormClosing(

object sender, FormClosingEventArgs e)

        {

            WritePrivateProfileString(

"

Settings

", 

"

Text

", textBox1.Text, path);

            WritePrivateProfileString(

"

Settings

", 

"

R

", textBox1.BackColor.R.ToString(), path);

            WritePrivateProfileString(

"

Settings

", 

"

G

", textBox1.BackColor.G.ToString(), path);

            WritePrivateProfileString(

"

Settings

", 

"

B

", textBox1.BackColor.B.ToString(), path);

        }