WPF Rectangle capture

Question

1.00/5 (2 votes)

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Is there any Screen Capture class for WPF that allows you to capture Whole Specified Rectangle ?

Please in VB

[Edit - OPs code from comment]
I found on the internet :

C#

private static BitmapSource CopyScreen()
    {
        using (var screenBmp = new Bitmap(
            (int)SystemParameters.PrimaryScreenWidth,
            (int)SystemParameters.PrimaryScreenHeight,
            PixelFormat.Format32bppArgb))
        {
            using (var bmpGraphics = Graphics.FromImage(screenBmp))
            {
                bmpGraphics.CopyFromScreen(0, 0, 0, 0, screenBmp.Size);
                return Imaging.CreateBitmapSourceFromHBitmap(
                    screenBmp.GetHbitmap(),
                    IntPtr.Zero,
                    Int32Rect.Empty,
                    BitmapSizeOptions.FromEmptyOptions());
            }
        }
    }

But I can't read this.

Posted 23-Sep-13 9:54am

quator

Updated 23-Sep-13 10:08am

CHill60

v3

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CHill60 23-Sep-13 15:59pm

What have you tried so far?

quator 23-Sep-13 16:02pm

I found on the internet :

private static BitmapSource CopyScreen()
{
using (var screenBmp = new Bitmap(
(int)SystemParameters.PrimaryScreenWidth,
(int)SystemParameters.PrimaryScreenHeight,
PixelFormat.Format32bppArgb))
{
using (var bmpGraphics = Graphics.FromImage(screenBmp))
{
bmpGraphics.CopyFromScreen(0, 0, 0, 0, screenBmp.Size);
return Imaging.CreateBitmapSourceFromHBitmap(
screenBmp.GetHbitmap(),
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
}
}
}

But I can't read this.

quator 23-Sep-13 16:09pm

I have four regtangles red, blue, green en yellow. The rectangle form the screen i like that compare with this 4 rectangles.

CHill60 23-Sep-13 16:18pm

I think this is the same code in VB.NET ...does that help?
Private Shared Function CopyScreen() As BitmapSource
Dim screenBMP As Bitmap
screenBMP = New Bitmap(CInt(SystemParameters.PrimaryScreenWidth), CInt(SystemParameters.PrimaryScreenHeight), PixelFormat.Format32bppArgb)
Using screenBMP
Using bmpGraphics = Graphics.FromImage(screenBMP)
bmpGraphics.CopyFromScreen(0, 0, 0, 0, screenBMP.Size)
Return Imaging.CreateBitmapSourceFromHBitmap(screenBMP.GetHbitmap(), IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions())
End Using
End Using
End Function

quator 24-Sep-13 3:22am

Tonight I will try

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Sergey Alexandrovich Kryukov · Accepted Answer · 2013-09-23T10:40:00

Solution 1

See, for example: http://sourceforge.net/projects/screencapturewp/[^].

As this is an open-code code, you can always see how it works.

See also this CodeProject article: Screen Capture in WPF & WinForms Application[^].

The problem is actually pretty simple. You can find a lot more: http://bit.ly/19y71d6[^].

—SA

Posted 23-Sep-13 10:40am

Sergey Alexandrovich Kryukov

Comments

quator 24-Sep-13 3:21am

Tonight I will try

Sergey Alexandrovich Kryukov 24-Sep-13 8:55am

Great.
—SA

CHill60 24-Sep-13 8:18am

My 5. I particularly like the comprehensive information available on the final link :-)

Sergey Alexandrovich Kryukov 24-Sep-13 8:56am

Thank you.
—SA