?? 求兩直線交點(diǎn)坐標(biāo).frm
字號:
VERSION 5.00
Begin VB.Form Form1
BackColor = &H0080C0FF&
Caption = "求兩直線交點(diǎn)坐標(biāo)"
ClientHeight = 6900
ClientLeft = 60
ClientTop = 345
ClientWidth = 8505
Icon = "求兩直線交點(diǎn)坐標(biāo).frx":0000
LinkTopic = "Form1"
ScaleHeight = 6900
ScaleWidth = 8505
StartUpPosition = 3 '窗口缺省
Begin VB.CommandButton Command4
Caption = "打坐標(biāo)"
Height = 495
Left = 7320
TabIndex = 14
Top = 3000
Width = 975
End
Begin VB.CommandButton Command3
Caption = "退出"
Height = 495
Left = 7320
TabIndex = 13
Top = 4680
Width = 975
End
Begin VB.CommandButton Command2
Caption = "求交點(diǎn)坐標(biāo)"
Height = 495
Left = 5520
TabIndex = 12
Top = 5520
Width = 1215
End
Begin VB.CommandButton Command1
Caption = "打直線"
Height = 495
Left = 7320
TabIndex = 11
Top = 3840
Width = 975
End
Begin VB.TextBox Text6
Height = 375
Left = 7200
TabIndex = 10
Text = "Text6"
Top = 6120
Width = 1095
End
Begin VB.TextBox Text5
Height = 375
Left = 5520
TabIndex = 9
Text = "Text5"
Top = 6120
Width = 1215
End
Begin VB.TextBox Text4
Height = 375
Left = 4080
TabIndex = 4
Text = "Text4"
Top = 6120
Width = 975
End
Begin VB.TextBox Text3
Height = 375
Left = 2760
TabIndex = 3
Text = "Text3"
Top = 6120
Width = 975
End
Begin VB.TextBox Text2
Height = 375
Left = 1320
TabIndex = 2
Text = "Text2"
Top = 6120
Width = 975
End
Begin VB.TextBox Text1
Height = 375
Left = 120
TabIndex = 1
Text = "Text1"
Top = 6120
Width = 855
End
Begin VB.PictureBox Picture1
AutoRedraw = -1 'True
BackColor = &H00FFFFC0&
Height = 5175
Left = 120
ScaleHeight = 5115
ScaleWidth = 6915
TabIndex = 0
Top = 120
Width = 6975
End
Begin VB.Label Label5
Caption = "b2"
Height = 375
Left = 4080
TabIndex = 15
Top = 5520
Width = 975
End
Begin VB.Label Label4
Caption = "兩直線狀況"
Height = 495
Left = 7200
TabIndex = 8
Top = 5520
Width = 1095
End
Begin VB.Label Label3
Caption = "k2"
Height = 375
Left = 2760
TabIndex = 7
Top = 5520
Width = 975
End
Begin VB.Label Label2
Caption = "b1"
Height = 375
Left = 1320
TabIndex = 6
Top = 5520
Width = 975
End
Begin VB.Label Label1
Caption = "k1"
Height = 375
Left = 120
TabIndex = 5
Top = 5520
Width = 855
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim x, y, k1, k2, b1, b2
Private Sub Command1_Click()
k1 = Val(Text1.Text)
k2 = Val(Text3.Text)
b1 = Val(Text2.Text)
b2 = Val(Text4.Text)
Picture1.DrawWidth = 3
Picture1.Line (0, Picture1.ScaleHeight / 2 + k1 * Picture1.ScaleWidth / 2 - b1)-(Picture1.ScaleWidth, Picture1.ScaleHeight / 2 - k1 * Picture1.ScaleWidth / 2 - b1), 250
Picture1.Line (0, Picture1.ScaleHeight / 2 + k2 * Picture1.ScaleWidth / 2 - b2)-(Picture1.ScaleWidth, Picture1.ScaleHeight / 2 - k2 * Picture1.ScaleWidth / 2 - b2), 50000
End Sub
Private Sub Command2_Click()
k1 = Val(Text1.Text)
k2 = Val(Text3.Text)
b1 = Val(Text2.Text)
b2 = Val(Text4.Text)
If k1 = k2 And b1 = b2 Then Label4.Caption = "重合"
If k1 = k2 And b1 <> b2 Then Label4.Caption = "平行"
If k1 <> k2 And k1 * k2 <> -1 Then x = (b2 - b1) / (k1 - k2): y = x * k1 + b1: Text5.Text = Str$(x): Text6.Text = Str$(y): Label4.Caption = "相交"
If k1 <> k2 And k1 * k2 = -1 Then x = (b2 - b1) / (k1 - k2): y = x * k1 + b1: Text5.Text = Str$(x): Text6.Text = Str$(y): Label4.Caption = "垂直"
End Sub
Private Sub Command3_Click()
End
End Sub
Private Sub Command4_Click()
Picture1.DrawWidth = 1
Picture1.Line (0, Picture1.ScaleHeight / 2)-(Picture1.ScaleWidth, Picture1.ScaleHeight / 2)
Picture1.Line (Picture1.ScaleWidth / 2, 0)-(Picture1.ScaleWidth / 2, Picture1.ScaleHeight)
End Sub
Private Sub Form_Load()
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""
Text5.Text = ""
Text6.Text = ""
End Sub
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