Question

用C#的窗体程序，用butten按钮控制图片旋转

butten控制图片的旋转 同时窗体的颜色有红变蓝butten每按一下 窗体变下颜色（在红，蓝间转换）

Answer 1

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;namespace werty
{ public partial class MainForm
{
int sum=1;
[STAThread]
public static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new MainForm());
}

public MainForm()
{

InitializeComponent();

}

void Button1Click(object sender, System.EventArgs e)
{
pictureBox1.Image.RotateFlip(RotateFlipType.Rotate90FlipXY);
if(sum%2==0)
{
this.BackColor=Color.Red ;
}
else
{
this.BackColor =Color.Blue;

}
this.Refresh();

sum=sum+1;

}

void MainFormLoad(object sender, System.EventArgs e)
{

}

void Button3Click(object sender, System.EventArgs e)
{
pictureBox1.Image.RotateFlip(RotateFlipType.Rotate270FlipXY);
if(sum%2==0)
{
this.BackColor =Color.Blue ;
}
else
{
this.BackColor =Color.Red ;
}
this.Refresh();
sum=sum+1;
}

}
}
希望对你有所帮助 。。。。。

Answer 2

在butten单击事件里面设置窗体的背景颜色啊