vb.net洗牌函數(shù) java洗牌函數(shù)

VB.net為什么取消了“l(fā)enb”“midb”這些函數(shù),.net又如何通過變通方法來實現(xiàn)?

include QtCore/QCoreApplication

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#include QAxObject

#include Windows.h

int main(int argc, char *argv[])

{

//OleInitialize(0);

//CoInitialize(0);

QCoreApplication a(argc, argv);

QAxObject *asdfg = new QAxObject("Excel.Application");

return a.exec();

}

VB.NET自定義函數(shù)

很簡單,在end select前再多加一種情況case else return "XXXx",因為你只提供了0-9這10種情況

Public Function Zuhe(ByVal qa As String) As String

Select Case qa

Case "0"

Return "1"

Case "1"

Return "3"

Case "2"

Return "4"

Case "3"

Return "6"

Case "4"

Return "2"

Case "5"

Return "8"

Case "6"

Return "9"

Case "7"

Return "7"

Case "8"

Return "5"

Case "9"

Return "0"

Case else

Return "XXXX"

End Select

End Function

在 VB.NET 中 SetWindowPos 應如何使用?

因為數(shù)據(jù)類型的不同,VB.NET調用系統(tǒng)API函數(shù)和VB6不太一樣,VB6是這樣:

Public?Declare?Function?SetWindowPos?Lib?"user32"?(ByVal?hwnd?As?Long,?ByVal?hWndInsertAfter?As?Long,?ByVal?X?As?Long,?ByVal?Y?As?Long,?ByVal?cx?As?Long,?ByVal?cy?As?Long,?ByVal?wFlags?As?Long)?As?Long

在VB.NET中是這樣調用:

DllImport("user32.dll",?SetLastError:=True)?_

Public?Shared?Function?SetWindowPos(ByVal?hWnd?As?IntPtr,?ByVal?hWndInsertAfter?As?IntPtr,?ByVal?X?As?Integer,?ByVal?Y?As?Integer,?ByVal?cx?As?Integer,?ByVal?cy?As?Integer,?ByVal?uFlags?As?SetWindowPosFlags)?As?Boolean

End?Function

參考:

vb.net 編寫一個函數(shù)

注意:參數(shù)為動態(tài)數(shù)組;

Private Function MyF(ByRef d() As Integer)

ReDim d(4, 13) As Integer

Dim i As Integer

Dim j As Integer

Dim n As Integer

Dim MyNum(4) As Integer

For i = 1 To 4

MyNum(i) = 0

Next i

Randomize

For i = 1 To 4

For j = 1 To 13

n = Int(Rnd * 4 + 1)

Do While MyNum(n) = 13

n = Int(Rnd * 4 + 1)

Loop

d(i, j) = n

MyNum(n) = MyNum(n) + 1

Next j

Next i

End Function

新聞標題:vb.net洗牌函數(shù) java洗牌函數(shù)
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