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我已經找到了截屏功能，我稱之爲一個按鈕被點擊時。我看到的問題是，只有屏幕的某一部分（從右上角開始，向屏幕中心會）被包含在，我有我的窗體上picScreen。是否有一種方法可以指定我想要查看的尺寸，或者基本上可以將整個屏幕安裝在picScreen中。VB6 - 屏幕截圖功能
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Declare Function GetSystemMetrics Lib "user32" (ByVal nIndex As Long) As Long
Private Declare Function GetWindowRect Lib "user32" (ByVal hWnd As Long, lpRect As RECT) As Long
Private Declare Function GetDesktopWindow Lib "user32"() As Long
Private Declare Function GetWindowDC Lib "user32" (ByVal hWnd As Long) As Long
Private Declare Function BitBlt Lib "gdi32" (ByVal hDestDC As Long, ByVal X As Long, ByVal Y As Long, ByVal nWidth As Long, ByVal nHeight As Long, ByVal hSrcDC As Long, ByVal xSrc As Long, ByVal ySrc As Long, ByVal dwRop As Long) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hWnd As Long, ByVal hDC As Long) As Long
Private Const SM_XVIRTUALSCREEN = 76
Private Const SM_YVIRTUALSCREEN = 77
Private Const SM_CYVIRTUALSCREEN = 79
Private Const SM_CXVIRTUALSCREEN = 78
Private Sub GetScreenshot(Optional ByVal hWnd As Long = 0)
Dim hDC As Long
Dim WindowRect As RECT
Dim Left As Long
Dim Top As Long
Dim Width As Long
Dim Height As Long
If hWnd = 0 Then
'Get the DC of the desktop
hDC = GetWindowDC(GetDesktopWindow)
'Get the virtual screen coordinates (this handles multiple monitors too :)
Left = GetSystemMetrics(SM_XVIRTUALSCREEN)
Top = GetSystemMetrics(SM_YVIRTUALSCREEN)
Width = GetSystemMetrics(SM_CXVIRTUALSCREEN)
Height = GetSystemMetrics(SM_CYVIRTUALSCREEN)
Else
'Get the DC of the window we want to capture
hDC = GetWindowDC(hWnd)
'Get the window coordinates
GetWindowRect hWnd, WindowRect
Left = 0
Top = 0
Width = WindowRect.Right - WindowRect.Left
Height = WindowRect.Bottom - WindowRect.Top
End If
'BitBlt into our own DC
BitBlt picScreen.hDC, 0, 0, Width, Height, hDC, Left, Top, vbSrcCopy
'Delete our reference to the windows's DC
ReleaseDC hWnd, hDC
End Sub
* Here's where I call my function specifying that I want the entire screen.
Private Sub cmdScreenShot_Click()
Call GetScreenshot(GetDesktopWindow)
End Sub