新建From1(窗体),新建Command1(按钮CommandButton),代码:
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (pTo As Any, uFrom As Any, ByVal lSize As Long)
Private Sub Command1_Click()
Dim i&, arrA(999) As Byte, arrB(999) As Byte
For i = 0 To 99999999
CopyMemory arrA(0), arrB(0), 1000
Next
MsgBox "完成"
End Sub