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VB.NET求幫忙!...
新建窗體,把maximizebox屬性和MinimizeBox 屬性設(shè)為false,再添加一個Label1放置文字一個Picturebox1放圖片。
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在窗體的load事件中:
Private Sub Form1_Load() Handles Me.Load
Text="我的VB.NET程序"
PuctureBox1.Image=Image.FromFile(圖片路徑如e:\pic.jpg)
End Sub
窗體Click事件:
Private Sub Form1_Click() Handles Me.Click
Text="單擊窗體"
Label1.Text="歡迎使用VB.NET"
End Sub
窗體DoubleClick事件
Private Sub Form1_DoubleClick() Handles Me.DoubleClick
Text="雙擊窗體"
Label1.Text = "謝謝使用!"
End Sub
vb.net求幫助 要用redim語句
寫的比較粗糙,參考一下吧
Sub Main()
Dim numArr() As Double
Dim count As Integer = 1
Dim num As Double
Dim sumNum As Double = 0
Dim aveNum As Double
Dim flag As Integer = 0
While (True)
Console.Write("請輸入第{0}個數(shù):", count)
ReDim Preserve numArr(count - 1)
num = Convert.ToDouble(Console.ReadLine())
If num = 0 Then
Exit While
End If
numArr(count - 1) = num
count += 1
End While
If count 1 Then
Dim cha As Double
Dim minCha As Double = Double.MaxValue
For i As Integer = 0 To count - 1
sumNum += numArr(i)
Next
aveNum = sumNum / (count - 1)
For i As Integer = 0 To count - 1
cha = Math.Abs(aveNum - numArr(i))
If minCha = cha Then
minCha = cha
flag = i + 1
End If
Next
End If
Console.WriteLine("總共輸入{0}個正數(shù),平均值為{1}", count - 1, aveNum)
Console.WriteLine("最接近平均值的是第{0}個正數(shù),值為{1}", flag, numArr(flag - 1))
Console.ReadKey()
End Sub
vb.net 中怎么制作幫助文檔,要有聯(lián)機幫助
設(shè)置Region屬性:DimpathAsNewSystem.Drawing.Drawing2D.GraphicsPathpath.AddEllipse(0,0,400,300)Region=NewRegion(path)
文章題目:vb.net幫助 vbnet doevent
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