本文整理匯總了VB.NET中System.Drawing.Color.FromName方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET Color.FromName方法的具體用法？VB.NET Color.FromName怎麽用？VB.NET Color.FromName使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Drawing.Color的用法示例。
在下文中一共展示了Color.FromName方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: ShowPropertiesOfSlateBlue
Private Sub ShowPropertiesOfSlateBlue(ByVal e As PaintEventArgs)
Dim slateBlue As Color = Color.FromName("SlateBlue")
Dim g As Byte = slateBlue.G
Dim b As Byte = slateBlue.B
Dim r As Byte = slateBlue.R
Dim a As Byte = slateBlue.A
Dim text As String = _
String.Format("Slate Blue has these ARGB values: Alpha:{0}, " _
& "red:{1}, green: {2}, blue {3}", New Object() {a, r, g, b})
e.Graphics.DrawString(text, New Font(Me.Font, FontStyle.Italic), _
New SolidBrush(slateBlue), _
New RectangleF(New PointF(0.0F, 0.0F), _
Size.op_Implicit(Me.Size)))
End Sub示例2: ColorCreation
' 導入命名空間
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ColorCreation
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 redColor As Color = Color.FromArgb(120, 255, 0, 0)
Dim blueColor As Color = Color.FromName("Blue")
Dim greenColor As Color = Color.FromKnownColor(KnownColor.Green)
Dim tstColor As Color = Color.Empty
If greenColor.IsEmpty Then
tstColor = Color.DarkGoldenrod
End If
Dim redBrush As New SolidBrush(redColor)
Dim blueBrush As New SolidBrush(blueColor)
Dim greenBrush As New SolidBrush(greenColor)
Dim greenPen As New Pen(greenBrush, 4)
g.FillEllipse(redBrush, 10, 10, 50, 50)
g.FillRectangle(blueBrush, 60, 10, 50, 50)
g.DrawLine(greenPen, 20, 60, 200, 60)
Console.WriteLine("Color Name :" + blueColor.Name + ", A:" + blueColor.A.ToString() + ", R:" + blueColor.R.ToString() + ", B:" + blueColor.B.ToString() + ", G:" + blueColor.G.ToString())
redBrush.Dispose()
blueBrush.Dispose()
greenBrush.Dispose()
greenPen.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