//获取顶置窗口句柄的截图并返回截图文件的路径
public string GetActiveWindowImageUrl()
{
const int nChars = 256;
StringBuilder Buff = new StringBuilder(nChars);
IntPtr handle = GetForegroundWindow();
var rect = new User32.Rect();
User32.GetWindowRect(handle, ref rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
var bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics graphics = Graphics.FromImage(bmp);
graphics.CopyFromScreen(rect.left, rect.top, 0, 0, new Size(width, height), CopyPixelOperation.SourceCopy);
string guid = Guid.NewGuid().ToString();
//Test 获取当前桌面的相对地址
string desktopUrl = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
bmp.Save(desktopUrl + guid + ".png", ImageFormat.Png);
string windowsImageUrl = desktopUrl + guid + ".png";
return(windowsImageUrl);
}
//通过进程名称获取当前进程中主线程的截图
public static void GetActiveWindowImage(string procName)
{
var proc = Process.GetProcessesByName(procName)[0];
var rect = new User32.Rect();
User32.GetWindowRect(proc.MainWindowHandle, ref rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
var bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics graphics = Graphics.FromImage(bmp);
graphics.CopyFromScreen(rect.left, rect.top, 0, 0, new Size(width, height), CopyPixelOperation.SourceCopy);
string guid = Guid.NewGuid().ToString();
bmp.Save(@"C:\Users\Enz\Desktop\" + guid + ".png", ImageFormat.Png);
}
//获取顶置窗口句柄的截图
public void GetActiveWindowImage()
{
const int nChars = 256;
StringBuilder Buff = new StringBuilder(nChars);
IntPtr handle = GetForegroundWindow();
var rect = new User32.Rect();
User32.GetWindowRect(handle, ref rect);
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
var bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics graphics = Graphics.FromImage(bmp);
graphics.CopyFromScreen(rect.left, rect.top, 0, 0, new Size(width, height), CopyPixelOperation.SourceCopy);
string guid = Guid.NewGuid().ToString();
bmp.Save(@"C:\Users\Enz\Desktop\" + guid + ".png", ImageFormat.Png);
}
