Vb.net PRTSC（屏幕截圖） - 錯誤

Question

嗨，再次我的問題，這次它與這段代碼相關，即時通訊使用Visual Studio Beta 2012，我似乎無法找到問題，如果你們可以幫助我生病感激

Public Class Form1 

    Private Sub fullScreen_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles fullScreen.Click 
     SendKeys.SendWait("^{PRTSC}") 
     Dim clip As IDataObject = Clipboard.GetDataObject() 
     If clip.GetDataPresent(GetType(System.Drawing.Bitmap)) Then 
      Dim screenCapture As Bitmap = CType(clip.GetData(GetType(System.Drawing.Bitmap)), Bitmap) 
      screenCapture.Save("C:\fullScreenCapture.bmp") 
     End If 
     Clipboard.Clear() 
    End Sub 
End Class 

錯誤：

A first chance exception of type 'System.Runtime.InteropServices.ExternalException' occurred in System.Drawing.dll 

其他信息：錯誤genéricoEN GDI +。

如果有這種異常的處理程序，程序可能會安全地繼續。

Answer 1

你可以採取截屏更輕鬆地使用以下（發送鍵時總是打在我的經驗小姐）

Private Function TakeScreenShot() As Bitmap 
    Dim scrn As Screen = Screen.FromControl(Me) 
    Dim screenSize As Size = New Size(scrn.Bounds.Width, scrn.Bounds.Height) 
    Dim screenGrab As New Bitmap(screenSize.Width, screenSize.Height) 
    Dim g As Graphics = Graphics.FromImage(screenGrab) 
    g.CopyFromScreen(New Point(scrn.Bounds.X, scrn.Bounds.Y), New Point(0, 0), screenSize) 
    Return screenGrab 
End Function 

Answer 2

你想捕捉屏幕？爲什麼不使用VS'類來捕獲屏幕？

http://forum.codecall.net/topic/51761-creating-a-screen-shot-tool-vbnet