here's a new version (
and here)
now it can accept two arguments - one for the file and the second for the window title/active window (more in the help message).Though its not working good it the window is minimized.
As for the cropped screenshots - I have no idea what I can do at the moment. Will test on different machines to see whats going on.
For AppActivate I'm using Microsoft.VisualBasic namespace which should be referred during compilation:
Code: Select all
// 2>nul||@goto :batch
/*
:batch
@echo off
setlocal
:: find csc.exe
set "csc="
for /r "%SystemRoot%\Microsoft.NET\Framework\" %%# in ("*csc.exe") do set "csc=%%#"
if not exist "%csc%" (
echo no .net framework installed
exit /b 10
)
if not exist "%~n0.exe" (
%csc% /nologo /r:"Microsoft.VisualBasic.dll" /out:"%~n0.exe" "%~dpsfnx0" || (
exit /b %errorlevel%
)
)
%~n0.exe %*
endlocal & exit /b %errorlevel%
*/
// reference
// https://gallery.technet.microsoft.com/scriptcenter/eeff544a-f690-4f6b-a586-11eea6fc5eb8
using System;
using System.Runtime.InteropServices;
using System.Drawing;
using System.Drawing.Imaging;
using System.Collections.Generic;
using Microsoft.VisualBasic;
/// Provides functions to capture the entire screen, or a particular window, and save it to a file.
public class ScreenCapture
{
/// Creates an Image object containing a screen shot the active window
public Image CaptureActiveWindow()
{
return CaptureWindow(User32.GetForegroundWindow());
}
/// Creates an Image object containing a screen shot of the entire desktop
public Image CaptureScreen()
{
return CaptureWindow(User32.GetDesktopWindow());
}
/// Creates an Image object containing a screen shot of a specific window
private Image CaptureWindow(IntPtr handle)
{
// get te hDC of the target window
IntPtr hdcSrc = User32.GetWindowDC(handle);
// get the size
User32.RECT windowRect = new User32.RECT();
User32.GetWindowRect(handle, ref windowRect);
int width = windowRect.right - windowRect.left;
int height = windowRect.bottom - windowRect.top;
// create a device context we can copy to
IntPtr hdcDest = GDI32.CreateCompatibleDC(hdcSrc);
// create a bitmap we can copy it to,
// using GetDeviceCaps to get the width/height
IntPtr hBitmap = GDI32.CreateCompatibleBitmap(hdcSrc, width, height);
// select the bitmap object
IntPtr hOld = GDI32.SelectObject(hdcDest, hBitmap);
// bitblt over
GDI32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, 0, 0, GDI32.SRCCOPY);
// restore selection
GDI32.SelectObject(hdcDest, hOld);
// clean up
GDI32.DeleteDC(hdcDest);
User32.ReleaseDC(handle, hdcSrc);
// get a .NET image object for it
Image img = Image.FromHbitmap(hBitmap);
// free up the Bitmap object
GDI32.DeleteObject(hBitmap);
return img;
}
public void CaptureActiveWindowToFile(string filename, ImageFormat format)
{
Image img = CaptureActiveWindow();
img.Save(filename, format);
}
public void CaptureScreenToFile(string filename, ImageFormat format)
{
Image img = CaptureScreen();
img.Save(filename, format);
}
static bool fullscreen = true;
static String file = "screenshot.bmp";
static System.Drawing.Imaging.ImageFormat format = System.Drawing.Imaging.ImageFormat.Bmp;
static String windowTitle = "";
static void parseArguments()
{
String[] arguments = Environment.GetCommandLineArgs();
if (arguments.Length == 1)
{
printHelp();
Environment.Exit(0);
}
if (arguments[1].ToLower().Equals("/h") || arguments[1].ToLower().Equals("/help"))
{
printHelp();
Environment.Exit(0);
}
file = arguments[1];
Dictionary<String, System.Drawing.Imaging.ImageFormat> formats =
new Dictionary<String, System.Drawing.Imaging.ImageFormat>();
formats.Add("bmp", System.Drawing.Imaging.ImageFormat.Bmp);
formats.Add("emf", System.Drawing.Imaging.ImageFormat.Emf);
formats.Add("exif", System.Drawing.Imaging.ImageFormat.Exif);
formats.Add("jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
formats.Add("jpeg", System.Drawing.Imaging.ImageFormat.Jpeg);
formats.Add("gif", System.Drawing.Imaging.ImageFormat.Gif);
formats.Add("png", System.Drawing.Imaging.ImageFormat.Png);
formats.Add("tiff", System.Drawing.Imaging.ImageFormat.Tiff);
formats.Add("wmf", System.Drawing.Imaging.ImageFormat.Wmf);
String ext = "";
if (file.LastIndexOf('.') > -1)
{
ext = file.ToLower().Substring(file.LastIndexOf('.') + 1, file.Length - file.LastIndexOf('.') - 1);
}
else
{
Console.WriteLine("Invalid file name - no extension");
Environment.Exit(7);
}
try
{
format = formats[ext];
}
catch (Exception e)
{
Console.WriteLine("Probably wrong file format:" + ext);
Console.WriteLine(e.ToString());
Environment.Exit(8);
}
if (arguments.Length > 2)
{
windowTitle = arguments[2];
fullscreen = false;
}
}
static void printHelp()
{
//clears the extension from the script name
String scriptName = Environment.GetCommandLineArgs()[0];
scriptName = scriptName.Substring(0, scriptName.Length);
Console.WriteLine(scriptName + " captures the screen or the active window and saves it to a file.");
Console.WriteLine("");
Console.WriteLine("Usage:");
Console.WriteLine("");
Console.WriteLine(" " + scriptName + " filename [WindowTitle]");
Console.WriteLine("finename - the file where the screen capture will be saved");
Console.WriteLine(" allowed file extensions are - Bmp,Emf,Exif,Gif,Icon,Jpeg,Png,Tiff,Wmf.");
Console.WriteLine("WindowTitle - instead of capture whole screen you can point to a window ");
Console.WriteLine(" with a title which will put on focus and captuted.");
Console.WriteLine(" For WindowTitle you can pass only the first few characters.");
Console.WriteLine(" If don't want to change the current active window pass only \"\"");
}
public static void Main()
{
parseArguments();
ScreenCapture sc = new ScreenCapture();
if (!fullscreen && !windowTitle.Equals(""))
{
try
{
Interaction.AppActivate(windowTitle);
Console.WriteLine("setting " + windowTitle + " on focus");
}
catch (Exception e)
{
Console.WriteLine("Probably there's no window like " + windowTitle);
Console.WriteLine(e.ToString());
Environment.Exit(9);
}
}
try
{
if (fullscreen)
{
Console.WriteLine("Taking a capture of the whole screen to " + file);
sc.CaptureScreenToFile(file, format);
}
else
{
Console.WriteLine("Taking a capture of the active window to " + file);
sc.CaptureActiveWindowToFile(file, format);
}
}
catch (Exception e)
{
Console.WriteLine("Check if file path is valid " + file);
Console.WriteLine(e.ToString());
}
}
/// Helper class containing Gdi32 API functions
private class GDI32
{
public const int SRCCOPY = 0x00CC0020; // BitBlt dwRop parameter
[DllImport("gdi32.dll")]
public static extern bool BitBlt(IntPtr hObject, int nXDest, int nYDest,
int nWidth, int nHeight, IntPtr hObjectSource,
int nXSrc, int nYSrc, int dwRop);
[DllImport("gdi32.dll")]
public static extern IntPtr CreateCompatibleBitmap(IntPtr hDC, int nWidth,
int nHeight);
[DllImport("gdi32.dll")]
public static extern IntPtr CreateCompatibleDC(IntPtr hDC);
[DllImport("gdi32.dll")]
public static extern bool DeleteDC(IntPtr hDC);
[DllImport("gdi32.dll")]
public static extern bool DeleteObject(IntPtr hObject);
[DllImport("gdi32.dll")]
public static extern IntPtr SelectObject(IntPtr hDC, IntPtr hObject);
}
/// Helper class containing User32 API functions
private class User32
{
[StructLayout(LayoutKind.Sequential)]
public struct RECT
{
public int left;
public int top;
public int right;
public int bottom;
}
[DllImport("user32.dll")]
public static extern IntPtr GetDesktopWindow();
[DllImport("user32.dll")]
public static extern IntPtr GetWindowDC(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern IntPtr ReleaseDC(IntPtr hWnd, IntPtr hDC);
[DllImport("user32.dll")]
public static extern IntPtr GetWindowRect(IntPtr hWnd, ref RECT rect);
[DllImport("user32.dll")]
public static extern IntPtr GetForegroundWindow();
}
}
I will try to update it today.