之後就是窗體的鼠標函數了,裡面很多代碼都沒有作出整理,看了一下,整理後的代碼應該會更少更精簡的
private void ScreenBody_DoubleClick(object sender, EventArgs e)
{
if (((MouseEventArgs)e).Button == MouseButtons.Left &&Rect.Contains(((MouseEventArgs)e).X, ((MouseEventArgs)e).Y))
{
//保存的時候有很多種方法的......我這裡只用了這種
Image memory = new Bitmap(Rect.Width, Rect.Height);
Graphics g = Graphics.FromImage(memory);
g.CopyFromScreen(Rect.X + 1, Rect.Y + 1, 0, 0, Rect.Size);
Clipboard.SetImage(memory);
this.Close();
}
}
private void ScreenBody_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
isDowned = true;
if (RectReady == false)
{
Rect.X = e.X;
Rect.Y = e.Y;
downPoint = new Point(e.X, e.Y);
}
if (RectReady == true)
{
tmpx = e.X;
tmpy = e.Y;
}
}
if (e.Button == MouseButtons.Right)
{
if (RectReady != true)
{
this.Close();
return;
}
MainPainter.DrawImage(baseImage, 0, 0);
RectReady = false;
}
}
private void ScreenBody_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
isDowned = false;
RectReady = true;
}
}
private void ScreenBody_MouseMove(object sender, MouseEventArgs e)
{
if (RectReady == false)
{
if (isDowned == true)
{
Image New = DrawScreen((Image)baseImage.Clone(), e.X, e.Y);
MainPainter.DrawImage(New, 0, 0);
New.Dispose();
}
}
if (RectReady == true)
{
if (Rect.Contains(e.X, e.Y))
{
//this.Cursor = Cursors.Hand;
if (isDowned == true)
{
//和上一次的位置比較獲取偏移量
Rect.X = Rect.X + e.X - tmpx;
Rect.Y = Rect.Y + e.Y - tmpy;
//記錄現在的位置
tmpx = e.X;
tmpy = e.Y;
MoveRect((Image)baseImage.Clone(), Rect);
}
}
}
}
private void ScreenBody_Load(object sender, EventArgs e)
{
this.WindowState = FormWindowstate.Maximized;
MainPainter = this.CreateGraphics();
pen = new Pen(Brushes.Blue);
isDowned = false;
baseImage = this.BackgroundImage;
Rect = new Rectangle();
RectReady = false;
}
