LineShape.Y1 属性
获取或设置的 Y 坐标 LineShape 控件绘制的起点行。
命名空间： Microsoft.VisualBasic.PowerPacks
程序集： Microsoft.VisualBasic.PowerPacks.Vs（在 Microsoft.VisualBasic.PowerPacks.Vs.dll 中）
语法
声明
<BrowsableAttribute(True)> _
Public Property Y1 As Integer
[BrowsableAttribute(true)]
public int Y1 { get; set; }
[BrowsableAttribute(true)]
public:
property int Y1 {
int get ();
void set (int value);
}
[<BrowsableAttribute(true)>]
member Y1 : int with get, set
function get Y1 () : int
function set Y1 (value : int)
属性值
类型：System.Int32
Integer 表示的 Y (垂直) 坐标的行。
备注
该坐标是相对 LineShape 控件的容器和使用像素表示。
可以通过设置 StartPoint 属性来更改启动的坐标。
示例
下面的示例演示如何通过更改 X1、 Y1、 X2和 Y2 属性更改一行对角线方向。
Dim canvas As New Microsoft.VisualBasic.PowerPacks.ShapeContainer
Dim line1 As New Microsoft.VisualBasic.PowerPacks.LineShape(10, 10,
200, 10)
Private Sub LineDirection_Load(ByVal sender As System.Object,
ByVal e As System.EventArgs) Handles MyBase.Load
' Set the form as the parent of the ShapeContainer.
canvas.Parent = Me
' Set the ShapeContainer as the parent of the LineShape.
line1.Parent = canvas
End Sub
Private Sub LineDirection_Click(ByVal sender As Object,
ByVal e As System.EventArgs) Handles Me.Click
ChangeDirection()
End Sub
Private Sub ChangeDirection()
If line1.X1 = line1.Y2 Then
line1.X2 = 10
line1.Y2 = 200
Else
line1.X2 = 200
line1.Y2 = 10
End If
End Sub
Microsoft.VisualBasic.PowerPacks.ShapeContainer canvas =
new Microsoft.VisualBasic.PowerPacks.ShapeContainer();
Microsoft.VisualBasic.PowerPacks.LineShape line1 =
new Microsoft.VisualBasic.PowerPacks.LineShape(10, 10, 200, 10);
private void LineDirection_Load(System.Object sender, System.EventArgs e)
{
// Set the form as the parent of the ShapeContainer.
canvas.Parent = this;
// Set the ShapeContainer as the parent of the LineShape.
line1.Parent = canvas;
}
private void LineDirection_Click(object sender, System.EventArgs e)
{
ChangeDirection();
}
private void ChangeDirection()
{
if (line1.X1 == line1.Y2)
{
line1.X2 = 10;
line1.Y2 = 200;
}
else
{
line1.X2 = 200;
line1.Y2 = 10;
}
}
.NET Framework 安全性
- 对直接调用方的完全信任。此成员不能由部分信任的代码使用。有关更多信息，请参见通过部分受信任的代码使用库。
请参见
参考
Microsoft.VisualBasic.PowerPacks 命名空间
其他资源
如何：使用 OvalShape 和 RectangleShape 控件绘制形状 (Visual Studio)