[英]How To Save Background Image On Form Close In C#
我正在用C#開發一個桌面應用程序,其中當用戶從菜單欄中選擇特定的背景名稱時,背景將變為所需的背景。 問題是我無法保存用戶輸入,我嘗試了設置,但是在設置中找不到“ system.drawing.image”,所以有什么辦法可以保存用戶更改的背景嗎? 不允許用戶更改任何外部背景,僅允許更改資源文件夾中的背景。 這是我的代碼,該錯誤顯示system.drawing.color無法代替drawing.image的錯誤。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace TAC
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
panel1.Location = new Point(165, 157);
panel2.Location = new Point(289, 158);
panel3.Location = new Point(47, 275);
panel4.Location = new Point(47, 402);
this.BackgroundImage = Properties.Settings.Default.FormImage;
}
private void bLUEToolStripMenuItem_Click(object sender, EventArgs e)
{
this.BackgroundImage = TAC.Properties.Resources.tex1;
}
private void gREENToolStripMenuItem_Click(object sender, EventArgs e)
{
this.BackgroundImage = TAC.Properties.Resources.tex2;
}
private void oRANGEToolStripMenuItem_Click(object sender, EventArgs e)
{
this.BackgroundImage = TAC.Properties.Resources.tex3;
}
private void rEDToolStripMenuItem_Click(object sender, EventArgs e)
{
this.BackgroundImage = TAC.Properties.Resources.tex4;
}
private void pURPLEToolStripMenuItem_Click(object sender, EventArgs e)
{
this.BackgroundImage = TAC.Properties.Resources.tex5;
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
Properties.Settings.Default.FormImage = this.BackgroundImage;
}
}
}
使用保存方法保存設置
Properties.Settings.Default.Save();
如果要在設置中添加圖片:
使用字符串類型添加新設置,並按以下方式使用:
將圖像保存到設置中(當您關閉表單時)
MemoryStream ms = new MemoryStream();
Propertis.Resources.MyImage.Save(ms,ImageFormat.Jpeg);
Properties.Settings.Default.BackImg = Convert.ToBase64String(ms.ToArray());
Properties.Settings.Default.Save();
並從設置中讀取圖像並設置為背景(以表格加載)
string img = Properties.Settings.Default.BackImg ;
byte[] i = Convert.FromBase64String(img);
this.BackgroundImage = Image.FromStream(new MemoryStream(i));
如何添加自定義設置?
http://www.codeproject.com/Articles/29130/Windows-Forms-Creating-and-Persisting-Custom-User
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