VB.Net by API/System.Drawing/RectangleF — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 19:40, 26 мая 2010
New RectangleF
<source lang="vbnet">
Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class UsingRectangleF
public Shared Sub Main Application.Run(New Form1) End Sub
End class public class Form1
Inherits System.Windows.Forms.Form Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Dim g As Graphics = Me.CreateGraphics() Dim x As Single = 40.0F Dim y As Single = 40.0F Dim height As Single = 120.0F Dim width As Single = 120.0F Dim pt As New PointF(80.0F, 80.0F) Dim sz As New SizeF(100.0F, 100.0F) Dim rect1 As New RectangleF(pt, sz) Dim rect2 As New RectangleF(x, y, width, height) Dim rect3 As New RectangleF(10.0F, 10.0F, 180.0F, 180.0F) Dim redPen As New Pen(Color.Red, 2) Dim greenBrush As New SolidBrush(Color.Blue) Dim blueBrush As New SolidBrush(Color.Green) g.DrawRectangle(redPen, rect3.X, rect3.Y, rect3.Width, rect3.Height) g.FillRectangle(blueBrush, rect2) g.FillRectangle(greenBrush, rect1) redPen.Dispose() blueBrush.Dispose() greenBrush.Dispose() g.Dispose()
End Sub Public Sub New() MyBase.New() Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen End Sub
End Class
</source>
RectangleF.Width
<source lang="vbnet"> Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class DrawCircle
public Shared Sub Main Application.Run(New Form1) End Sub
End class public class Form1
Inherits System.Windows.Forms.Form Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Dim a As Graphics = e.Graphics Dim mypen As Pen Dim myrect As RectangleF mypen = New Pen(System.Drawing.Color.Red, 6) a = Me.CreateGraphics a.Clear(Me.BackColor) a.DrawEllipse(mypen, 100, 100, 50, 50) a.DrawEllipse(mypen, 75, 75, 100, 100) a.DrawEllipse(mypen, 25, 25, 200, 200) a.DrawEllipse(mypen, 0, 0, 250, 250) myrect.X = 300 myrect.Y = 10 myrect.Width = 250 myrect.Height = 100 a.DrawEllipse(mypen, myrect) myrect.X = 400 myrect.Y = 10 myrect.Width = 100 myrect.Height = 250 a.DrawEllipse(mypen, myrect)
a.Dispose() mypen.Dispose() End Sub Public Sub New() MyBase.New() Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen End Sub
End Class
</source>
RectangleF.X
<source lang="vbnet"> Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class DrawCircle
public Shared Sub Main Application.Run(New Form1) End Sub
End class public class Form1
Inherits System.Windows.Forms.Form Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Dim a As Graphics = e.Graphics Dim mypen As Pen Dim myrect As RectangleF mypen = New Pen(System.Drawing.Color.Red, 6) a = Me.CreateGraphics a.Clear(Me.BackColor) a.DrawEllipse(mypen, 100, 100, 50, 50) a.DrawEllipse(mypen, 75, 75, 100, 100) a.DrawEllipse(mypen, 25, 25, 200, 200) a.DrawEllipse(mypen, 0, 0, 250, 250) myrect.X = 300 myrect.Y = 10 myrect.Width = 250 myrect.Height = 100 a.DrawEllipse(mypen, myrect) myrect.X = 400 myrect.Y = 10 myrect.Width = 100 myrect.Height = 250 a.DrawEllipse(mypen, myrect)
a.Dispose() mypen.Dispose() End Sub Public Sub New() MyBase.New() Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen End Sub
End Class
</source>