private void DrawTest_Load(object sender, EventArgs e)
{
SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint, true);
this.UpdateStyles();
//Bitmap bmp = new Bitmap(pbImg.Width, pbImg.Height);
//Graphics g = Graphics.FromImage(bmp);
//g.FillRectangle(new SolidBrush(pbImg.BackColor), new Rectangle(0, 0, pbImg.Width, pbImg.Height));
//g.Dispose();
Bitmap bmpformfile = new Bitmap(@"test.bmp");//获取打开的文件
Bitmap bmp = new Bitmap(pbImg.Width, pbImg.Height);
Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(new SolidBrush(pbImg.BackColor), new Rectangle(0, 0, pbImg.Width, pbImg.Height));//不使用这句话，那么这个bmp的背景就是透明的
g.DrawImage(bmpformfile, 0, 0, bmpformfile.Width, bmpformfile.Height);//将图片画到画板上
g.Dispose();//释放画板所占资源
//不直接使用pbImg.Image = Image.FormFile(ofd.FileName)是因为这样会让图片一直处于打开状态，也就无法保存修改后的图片；详见http://www.wanxin.org/redirect.php?tid=3&goto=lastpost
dt = new DrawTools(this.pbImg.CreateGraphics(), Color.Red, bmp);//实例化工具类
}
private void DrawTest_Load(object sender, EventArgs e)
{
SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint, true);
this.UpdateStyles();
//Bitmap bmp = new Bitmap(pbImg.Width, pbImg.Height);
//Graphics g = Graphics.FromImage(bmp);
//g.FillRectangle(new SolidBrush(pbImg.BackColor), new Rectangle(0, 0, pbImg.Width, pbImg.Height));
//g.Dispose();
Bitmap bmpformfile = new Bitmap(@"test.bmp");//获取打开的文件
Bitmap bmp = new Bitmap(pbImg.Width, pbImg.Height);
Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(new SolidBrush(pbImg.BackColor), new Rectangle(0, 0, pbImg.Width, pbImg.Height)); //不使用这句话，那么这个bmp的背景就是透明的
g.DrawImage(bmpformfile, 0, 0, bmpformfile.Width, bmpformfile.Height); //将图片画到画板上
g.Dispose(); //释放画板所占资源
//不直接使用pbImg.Image = Image.FormFile(ofd.FileName)是因为这样会让图片一直处于打开状态，也就无法保存修改后的图片；详见http://www.wanxin.org/redirect.php?tid=3&goto=lastpost
dt = new DrawTools(this.pbImg.CreateGraphics(), Color.Red, bmp);//实例化工具类
}
private int glopara; //createMod 返回的指针int
private void loadCapturePic(string picPath)
{
SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint, true);
this.UpdateStyles();
try
{
Bitmap bmpformfile = new Bitmap(picPath != null ? picPath : @"test.bmp");//获取打开的文件
Bitmap bmp = new Bitmap(picCapture.Width, picCapture.Height);
Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(new SolidBrush(picCapture.BackColor), new Rectangle(0, 0, picCapture.Width, picCapture.Height)); //不使用这句话，那么这个bmp的背景就是透明的
g.DrawImage(bmpformfile, 0, 0, bmpformfile.Width, bmpformfile.Height); //将图片画到画板上
g.Dispose(); //释放画板所占资源
//不直接使用pbImg.Image = Image.FormFile(ofd.FileName)是因为这样会让图片一直处于打开状态，也就无法保存修改后的图片；详见http://www.wanxin.org/redirect.php?tid=3&goto=lastpost
dt = new DrawTools(this.picCapture.CreateGraphics(), Color.Red, bmp);//实例化工具类
}
catch (Exception e)
{
MessageBox.Show("暂未截图");
}
}
private void loadCapturePic(string picPath)
{
SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint, true);
this.UpdateStyles();
try
{
Bitmap bmpformfile = new Bitmap(picPath != null ? picPath : @"test.bmp");//获取打开的文件
Bitmap bmp = new Bitmap(picCapture.Width, picCapture.Height);
Graphics g = Graphics.FromImage(bmp);
g.FillRectangle(new SolidBrush(picCapture.BackColor), new Rectangle(0, 0, picCapture.Width, picCapture.Height));//不使用这句话，那么这个bmp的背景就是透明的
g.DrawImage(bmpformfile, 0, 0, bmpformfile.Width, bmpformfile.Height);//将图片画到画板上
g.Dispose();//释放画板所占资源
//不直接使用pbImg.Image = Image.FormFile(ofd.FileName)是因为这样会让图片一直处于打开状态，也就无法保存修改后的图片；详见http://www.wanxin.org/redirect.php?tid=3&goto=lastpost
dt = new DrawTools(this.picCapture.CreateGraphics(), Color.Red, bmp);//实例化工具类
}
catch (Exception e)
{
MessageBox.Show("暂未截图");
}
}