例5.5 判断坐标点位置.frm

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VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "例5.5  判断坐标点位置"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton Command1 
      Caption         =   "判断"
      Height          =   495
      Left            =   1800
      TabIndex        =   0
      Top             =   1320
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
  Dim x As Single, y As Single
  x = Val(InputBox("请输入x:"))
  y = Val(InputBox("请输入y:"))
  Cls
  If x > 0 And y > 0 Then
     Print " 在第一象限"
  ElseIf x < 0 And y > 0 Then
     Print " 在第二象限"
  ElseIf x < 0 And y < 0 Then
     Print " 在第三象限"
  ElseIf x > 0 And y < 0 Then
     Print " 在第四象限"
  End If
End Sub