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窗体初始化时，设定Windowstate= maximized.
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窗体分辨率仍然可以设成1920x1080。设计元素的时候拖拽，或者使用代码初始化控件。
o这是因为有字节对齐的问题。每一个变量的首地址必须是它所占字节长度的倍数。
比如int32长度是4，那么它的首地址只能取0,4,8,12……
下面的图形象的表示了MSG在内存中的储存情况：
OOXXOOOO
第一个和第二个O表示两个BYTE类型的数据，两个X表示空地址，里面什么也没放。后面四个OOOO便是一个int32类型数据也就是Code。加起来总共占了8个字节的内存
Dim MyGraphics As Graphics = Me.CreateGraphics
'定义使用的字体
Dim Myfont As New Font("宋体", 9)
'获取文本的大小。
Dim Mystring_Size As SizeF = MyGraphics.MeasureString("中", Myfont)
'显示宽和高
MsgBox(Mystring_Size1.Width "：" Mystring_Size1.Height)
MaximumSize 是代表这个窗体最大能放大到你设定的那个参数那么大，默认的（0，0）代表全屏。MinimumSize是代表窗体能放缩到你设定的这个这个参数那么小，默认的（0，0）代表最小。
size 即是窗体最初展现出来的大小。 你说的size不能直接改动，应该是textbox 文本框吧。将textbox文本框的Multiline属性改成True就可以通过改变size的值来改变框体大小。
若有不清楚的地方欢迎追问！
将textbox 的Multiline属性改成True .这样 Textbox的size属性就可以赋值了。
不清楚的欢迎继续追问！
vb.net里没有像vb那样的控件数组。也就是说复制控件后粘贴没有提示你是否创建控件数组。
你可以试验下面的代码。
Form1.Designer.vb 设计器中的窗体代码如下，上面有六个button。最右边的用来改变前5个地text：
Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated() Partial Class Form1
#Region "Windows フォーム デザイナによって生成されたコード "
System.Diagnostics.DebuggerNonUserCode() Public Sub New()
MyBase.New()
'この呼び出しは、Windows フォーム デザイナで必要です。
InitializeComponent()
End Sub
'Form は、コンポーネント一覧に后処理を実行するために dispose をオーバーライドします。
System.Diagnostics.DebuggerNonUserCode() Protected Overloads Overrides Sub Dispose(ByVal Disposing As Boolean)
If Disposing Then
If Not components Is Nothing Then
components.Dispose()
End If
End If
MyBase.Dispose(Disposing)
End Sub
'Windows フォーム デザイナで必要です。
Private components As System.ComponentModel.IContainer
Public ToolTip1 As System.Windows.Forms.ToolTip
Public WithEvents Command2 As System.Windows.Forms.Button
Public WithEvents _Command1_4 As System.Windows.Forms.Button
Public WithEvents _Command1_3 As System.Windows.Forms.Button
Public WithEvents _Command1_2 As System.Windows.Forms.Button
Public WithEvents _Command1_1 As System.Windows.Forms.Button
Public WithEvents _Command1_0 As System.Windows.Forms.Button
Public WithEvents Command1 As Microsoft.VisualBasic.Compatibility.VB6.ButtonArray
'メモ: 以下のプロシージャは Windows フォーム デザイナで必要です。
'Windows フォーム デザイナを使って変更できます。
'コード エディタを使用して、変更しないでください。
System.Diagnostics.DebuggerStepThrough() Private Sub InitializeComponent()
Me.components = New System.ComponentModel.Container
Me.ToolTip1 = New System.Windows.Forms.ToolTip(Me.components)
Me.Command2 = New System.Windows.Forms.Button
Me._Command1_4 = New System.Windows.Forms.Button
Me._Command1_3 = New System.Windows.Forms.Button
Me._Command1_2 = New System.Windows.Forms.Button
Me._Command1_1 = New System.Windows.Forms.Button
Me._Command1_0 = New System.Windows.Forms.Button
Me.Command1 = New Microsoft.VisualBasic.Compatibility.VB6.ButtonArray(Me.components)
CType(Me.Command1, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
'Command2
'
Me.Command2.BackColor = System.Drawing.SystemColors.Control
Me.Command2.Cursor = System.Windows.Forms.Cursors.Default
Me.Command2.ForeColor = System.Drawing.SystemColors.ControlText
Me.Command2.Location = New System.Drawing.Point(235, 176)
Me.Command2.Name = "Command2"
Me.Command2.RightToLeft = System.Windows.Forms.RightToLeft.No
Me.Command2.Size = New System.Drawing.Size(65, 25)
Me.Command2.TabIndex = 5
Me.Command2.Text = "Change"
Me.Command2.UseVisualStyleBackColor = False
'
'_Command1_4
'
Me._Command1_4.BackColor = System.Drawing.SystemColors.Control
Me._Command1_4.Cursor = System.Windows.Forms.Cursors.Default
Me._Command1_4.ForeColor = System.Drawing.SystemColors.ControlText
Me.Command1.SetIndex(Me._Command1_4, CType(4, Short))
Me._Command1_4.Location = New System.Drawing.Point(16, 176)
Me._Command1_4.Name = "_Command1_4"
Me._Command1_4.RightToLeft = System.Windows.Forms.RightToLeft.No
Me._Command1_4.Size = New System.Drawing.Size(93, 25)
Me._Command1_4.TabIndex = 4
Me._Command1_4.Text = "Command1"
Me._Command1_4.UseVisualStyleBackColor = False
'
'_Command1_3
'
Me._Command1_3.BackColor = System.Drawing.SystemColors.Control
Me._Command1_3.Cursor = System.Windows.Forms.Cursors.Default
Me._Command1_3.ForeColor = System.Drawing.SystemColors.ControlText
Me.Command1.SetIndex(Me._Command1_3, CType(3, Short))
Me._Command1_3.Location = New System.Drawing.Point(16, 137)
Me._Command1_3.Name = "_Command1_3"
Me._Command1_3.RightToLeft = System.Windows.Forms.RightToLeft.No
Me._Command1_3.Size = New System.Drawing.Size(93, 25)
Me._Command1_3.TabIndex = 3
Me._Command1_3.Text = "Command1"
Me._Command1_3.UseVisualStyleBackColor = False
'
'_Command1_2
'
Me._Command1_2.BackColor = System.Drawing.SystemColors.Control
Me._Command1_2.Cursor = System.Windows.Forms.Cursors.Default
Me._Command1_2.ForeColor = System.Drawing.SystemColors.ControlText
Me.Command1.SetIndex(Me._Command1_2, CType(2, Short))
Me._Command1_2.Location = New System.Drawing.Point(16, 96)
Me._Command1_2.Name = "_Command1_2"
Me._Command1_2.RightToLeft = System.Windows.Forms.RightToLeft.No
Me._Command1_2.Size = New System.Drawing.Size(93, 25)
Me._Command1_2.TabIndex = 2
Me._Command1_2.Text = "Command1"
Me._Command1_2.UseVisualStyleBackColor = False
'
'_Command1_1
'
Me._Command1_1.BackColor = System.Drawing.SystemColors.Control
Me._Command1_1.Cursor = System.Windows.Forms.Cursors.Default
Me._Command1_1.ForeColor = System.Drawing.SystemColors.ControlText
Me.Command1.SetIndex(Me._Command1_1, CType(1, Short))
Me._Command1_1.Location = New System.Drawing.Point(16, 56)
Me._Command1_1.Name = "_Command1_1"
Me._Command1_1.RightToLeft = System.Windows.Forms.RightToLeft.No
Me._Command1_1.Size = New System.Drawing.Size(93, 25)
Me._Command1_1.TabIndex = 1
Me._Command1_1.Text = "Command1"
Me._Command1_1.UseVisualStyleBackColor = False
'
'_Command1_0
'
Me._Command1_0.BackColor = System.Drawing.SystemColors.Control
Me._Command1_0.Cursor = System.Windows.Forms.Cursors.Default
Me._Command1_0.ForeColor = System.Drawing.SystemColors.ControlText
Me.Command1.SetIndex(Me._Command1_0, CType(0, Short))
Me._Command1_0.Location = New System.Drawing.Point(16, 16)
Me._Command1_0.Name = "_Command1_0"
Me._Command1_0.RightToLeft = System.Windows.Forms.RightToLeft.No
Me._Command1_0.Size = New System.Drawing.Size(93, 25)
Me._Command1_0.TabIndex = 0
Me._Command1_0.Text = "Command1"
Me._Command1_0.UseVisualStyleBackColor = False
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.BackColor = System.Drawing.SystemColors.Control
Me.ClientSize = New System.Drawing.Size(312, 213)
Me.Controls.Add(Me.Command2)
Me.Controls.Add(Me._Command1_4)
Me.Controls.Add(Me._Command1_3)
Me.Controls.Add(Me._Command1_2)
Me.Controls.Add(Me._Command1_1)
Me.Controls.Add(Me._Command1_0)
Me.Cursor = System.Windows.Forms.Cursors.Default
Me.Location = New System.Drawing.Point(4, 23)
Me.Name = "Form1"
Me.RightToLeft = System.Windows.Forms.RightToLeft.No
Me.Text = "Form1"
CType(Me.Command1, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub
#End Region
End Class
’==========================================
Form1中的代码如下：
Friend Class Form1
Inherits System.Windows.Forms.Form
Private Sub Command2_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command2.Click
Dim i As Object
'按钮标题数组。
Dim cArr() As String = New String() {"A", "B", "C", "D", "E", "F", "G"}
For i = 0 To Me.Command1.Count - 1
Me.Command1(i).Text = cArr(i)
Next
End Sub
End Class