实验4-3-3 Private Sub Form_Click() Dim esp As Double a As Double b As Double c As Double Dim fa As Double fb As Double fc As Double esp = Val(InputBox(输入误差)) a = 0 b = 1 c = (a b)
这是一个简易计算器的VB代码下面是这个计算器的界面有一个文本输入框和16个按钮Public Class Form1 Dim OperatorState As Integer Dim data1 As Integer Dim result As Integer Dim data2 As Integer下面是09十个按钮的点击事件 Private Sub Bu
Global Data DefinitionsDim MyHandle As Long? ? ? ? ? ? Handle to ConnectionDim MyStatus As Integer? ? ? ? Status returned from mbMasterV7 ControlDim Slave As Integer? ? ? ? ? ? Slave Cmd Address L
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实现毫秒精度的延时Module Code:Option ExplicitDeclare Function QueryPerformanceFrequency Lib kernel32 (lpFrequency As LARGE_INTEGER) As LongDeclare Function QueryPerformanceCounter Lib kernel32 _??????? (lpP