📄 form1.frm
字号:
VERSION 5.00
Begin VB.Form Form1
Caption = "VB App"
ClientHeight = 4740
ClientLeft = 60
ClientTop = 345
ClientWidth = 4155
LinkTopic = "Form1"
ScaleHeight = 4740
ScaleWidth = 4155
StartUpPosition = 3 'Windows Default
Begin VB.CommandButton Command3
Caption = "计算随机数数列"
Height = 495
Left = 720
TabIndex = 7
Top = 4080
Width = 1455
End
Begin VB.CommandButton Command2
Caption = "转成大写"
Height = 495
Left = 720
TabIndex = 6
Top = 2280
Width = 975
End
Begin VB.TextBox Text2
Height = 375
Left = 240
TabIndex = 5
Text = "ABC"
Top = 1560
Width = 3495
End
Begin VB.CommandButton Command1
Caption = "计算圆面积"
Height = 375
Left = 720
TabIndex = 1
Top = 960
Width = 1215
End
Begin VB.TextBox Text1
Height = 375
Left = 720
TabIndex = 0
Text = "1"
Top = 480
Width = 975
End
Begin VB.Label Label4
Height = 495
Left = 240
TabIndex = 8
Top = 3360
Width = 3495
End
Begin VB.Label Label3
Height = 375
Left = 2640
TabIndex = 4
Top = 480
Width = 735
End
Begin VB.Label Label2
Caption = "圆面积"
Height = 255
Left = 1920
TabIndex = 3
Top = 480
Width = 615
End
Begin VB.Label Label1
Caption = "半径"
Height = 375
Left = 240
TabIndex = 2
Top = 480
Width = 375
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Declare Function Circle_Area Lib "forlib.dll" (r As Single) As Single
Private Declare Sub MAKELOWER Lib "forlib.dll" (ByVal s As String, ByVal i As Long)
Private Declare Function SUM Lib "forlib.dll" (r As Long) As Long
Private Sub Command1_Click()
Dim r As Single
Dim a As Single
r = Val(Text1.Text)
a = Circle_Area(r)
Label3 = Str(a)
End Sub
Private Sub Command2_Click()
Dim s As String
s = Text2.Text
Call MAKELOWER(s, Len(s))
Text2.Text = s
End Sub
Private Sub Command3_Click()
Dim a(10) As Long
Dim i As Long
Dim total As Long
For i = 0 To 9
a(i) = Rnd() * 9 + 1
Next i
Label4.Caption = Str(a(0))
For i = 1 To 9
Label4.Caption = Label4.Caption + "+" + Str(a(i))
Next i
total = SUM(a(0))
Label4.Caption = Label4.Caption + "=" + Str(total)
End Sub
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