我对这个API函数不清楚啊!各位大侠看这个
Private Declare Function CloseWindow Lib "user32" (ByVal hwnd As Long) As Long Private Sub Command1_Click()
CloseWindow hwnd
end sub
其中那个ByVal是按值传送,不是CloseWindow调用CloseWindow hwnd 的吗???
那么在Command1中的hwnd的值是从哪里来的,请大侠们解答啊!
Private Declare Function CloseWindow Lib "user32" (ByVal hwnd As Long) As Long Private Sub Command1_Click()
CloseWindow hwnd
end sub
其中那个ByVal是按值传送,不是CloseWindow调用CloseWindow hwnd 的吗???
那么在Command1中的hwnd的值是从哪里来的,请大侠们解答啊!
Private Sub Command1_Click()
CloseWindow Me.hwnd
end sub
2.默认情况下需要通过byval传递参数,除非声明为any
unsigned !我晚上回来给你分