如何：操作 Windows 窗体 DataGridView 控件中的列
更新：2007 年 11 月
下面的代码示例演示使用 DataGridViewColumn 类的属性操作 DataGridView 列的各种方式。
示例
Imports System.Windows.Forms
Imports System.Drawing
Public Class DataGridViewColumnDemo
Inherits Form
#Region "set up form"
Public Sub New()
InitializeComponent()
AddButton(Button1, "Reset")
AddButton(Button2, "Change Column 3 Header")
AddButton(Button3, "Change Meatloaf Recipe")
AddAdditionalButtons()
End Sub
Friend WithEvents dataGridView As DataGridView
Friend WithEvents Button1 As Button = New Button()
Friend WithEvents Button2 As Button = New Button()
Friend WithEvents Button3 As Button = New Button()
Friend WithEvents Button4 As Button = New Button()
Friend WithEvents Button5 As Button = New Button()
Friend WithEvents Button6 As Button = New Button()
Friend WithEvents Button7 As Button = New Button()
Friend WithEvents Button8 As Button = New Button()
Friend WithEvents Button9 As Button = New Button()
Friend WithEvents Button10 As Button = New Button()
Friend WithEvents FlowLayoutPanel1 As FlowLayoutPanel _
= New FlowLayoutPanel()
Private Sub InitializeComponent()
FlowLayoutPanel1.Location = New Point(454, 0)
FlowLayoutPanel1.AutoSize = True
FlowLayoutPanel1.FlowDirection = FlowDirection.TopDown
FlowLayoutPanel1.Name = "flowlayoutpanel"
ClientSize = New System.Drawing.Size(614, 360)
Controls.Add(FlowLayoutPanel1)
Text = Me.GetType.Name
AutoSize = True
End Sub
#End Region
#Region "set up DataGridView"
Private thirdColumnHeader As String = "Main Ingredients"
Private boringMeatloaf As String = "ground beef"
Private boringMeatloafRanking As String = "*"
Private boringRecipe As Boolean
Private shortMode As Boolean
Private Sub InitializeDataGridView(ByVal ignored As Object, _
ByVal ignoredToo As EventArgs) Handles Me.Load
dataGridView = New System.Windows.Forms.DataGridView
Controls.Add(dataGridView)
dataGridView.Size = New Size(300, 200)
' Create an unbound DataGridView by declaring a
' column count.
dataGridView.ColumnCount = 4
AdjustDataGridViewSizing()
' Set the column header style.
Dim columnHeaderStyle As New DataGridViewCellStyle
columnHeaderStyle.BackColor = Color.Aqua
columnHeaderStyle.Font = _
New Font("Verdana", 10, FontStyle.Bold)
dataGridView.ColumnHeadersDefaultCellStyle = _
columnHeaderStyle
' Set the column header names.
dataGridView.Columns(0).Name = "Recipe"
dataGridView.Columns(1).Name = "Category"
dataGridView.Columns(2).Name = thirdColumnHeader
dataGridView.Columns(3).Name = "Rating"
PostColumnCreation()
' Populate the rows.
Dim row1 As String() = New String() _
{"Meatloaf", "Main Dish", boringMeatloaf, _
boringMeatloafRanking}
Dim row2 As String() = New String() _
{"Key Lime Pie", "Dessert", _
"lime juice, evaporated milk", _
"****"}
Dim row3 As String() = New String() _
{"Orange-Salsa Pork Chops", "Main Dish", _
"pork chops, salsa, orange juice", "****"}
Dim row4 As String() = New String() _
{"Black Bean and Rice Salad", "Salad", _
"black beans, brown rice", _
"****"}
Dim row5 As String() = New String() _
{"Chocolate Cheesecake", "Dessert", "cream cheese", _
"***"}
Dim row6 As String() = New String() _
{"Black Bean Dip", "Appetizer", _
"black beans, sour cream", _
"***"}
Dim rows As Object() = New Object() {row1, row2, _
row3, row4, row5, row6}
Dim rowArray As String()
For Each rowArray In rows
dataGridView.Rows.Add(rowArray)
Next
shortMode = False
boringRecipe = True
End Sub
Private Sub AddButton(ByVal button As Button, _
ByVal buttonLabel As String)
FlowLayoutPanel1.Controls.Add(button)
button.TabIndex = FlowLayoutPanel1.Controls.Count
button.Text = buttonLabel
button.AutoSize = True
End Sub
Private Sub ResetToDisorder(ByVal sender As Object, _
ByVal e As System.EventArgs) _
Handles Button1.Click
Controls.Remove(dataGridview)
dataGridView.Dispose()
InitializeDataGridView(Nothing, Nothing)
End Sub
Private Sub ChangeColumn3Header(ByVal sender As Object, _
ByVal e As System.EventArgs) _
Handles Button2.Click
Toggle(shortMode)
If shortMode Then dataGridView.Columns(2).HeaderText = _
"S" _
Else dataGridView.Columns(2).HeaderText = _
thirdColumnHeader
End Sub
Private Shared Sub Toggle(ByRef toggleThis As Boolean)
toggleThis = Not toggleThis
End Sub
Private Sub ChangeMeatloafRecipe(ByVal sender As Object, _
ByVal e As System.EventArgs) _
Handles Button3.Click
Toggle(boringRecipe)
If boringRecipe Then
SetMeatloaf(boringMeatloaf, boringMeatloafRanking)
Else
Dim greatMeatloafRecipe As String = "1 lb. lean ground beef, " _
& "1/2 cup bread crumbs, 1/4 cup ketchup," _
& "1/3 tsp onion powder, " _
& "1 clove of garlic, 1/2 pack onion soup mix " _
& " dash of your favorite BBQ Sauce"
SetMeatloaf(greatMeatloafRecipe, "***")
End If
End Sub
Private Sub SetMeatloaf(ByVal recipe As String, _
ByVal rating As String)
dataGridView.Rows(0).Cells(2).Value = recipe
dataGridView.Rows(0).Cells(3).Value = rating
End Sub
#End Region
#Region "demonstration code"
Private Sub PostColumnCreation()
AddContextLabel()
AddCriteriaLabel()
CustomizeCellsInThirdColumn()
AddContextMenu()
SetDefaultCellInFirstColumn()
ToolTips()
End Sub
Private criteriaLabel As String = "Column 3 sizing criteria: "
Private Sub AddCriteriaLabel()
AddLabelToPanelIfNotAlreadyThere(criteriaLabel, _
criteriaLabel & _
dataGridView.Columns(2).AutoSizeMode.ToString() _
& ".")
End Sub
Private Sub AddContextLabel()
Dim labelName As String = "label"
AddLabelToPanelIfNotAlreadyThere(labelName, _
"Use shortcut menu to change cell color.")
End Sub
Private Sub AddLabelToPanelIfNotAlreadyThere( _
ByVal labelName As String, _
ByVal labelText As String)
Dim label As Label
If FlowLayoutPanel1.Controls(labelName) Is Nothing Then
label = New Label()
label.AutoSize = True
label.Name = labelName
label.BackColor = Color.Bisque
FlowLayoutPanel1.Controls.Add(label)
Else
label = CType(FlowLayoutPanel1.Controls(labelName), Label)
End If
label.Text = labelText
End Sub
Private Sub CustomizeCellsInThirdColumn()
Dim thirdColumn As Integer = 2
Dim column As DataGridViewColumn = _
dataGridView.Columns(thirdColumn)
Dim cell As DataGridViewCell = _
New DataGridViewTextBoxCell()
cell.Style.BackColor = Color.Wheat
column.CellTemplate = cell
End Sub
WithEvents toolStripItem1 As New ToolStripMenuItem()
Private Sub AddContextMenu()
toolStripItem1.Text = "Redden"
Dim strip As New ContextMenuStrip()
For Each column As DataGridViewColumn _
In dataGridView.Columns()
column.ContextMenuStrip = strip
column.ContextMenuStrip.Items.Add(toolStripItem1)
Next
End Sub
' Change the cell's color.
Private Sub toolStripItem1_Click(ByVal sender As Object, _
ByVal args As EventArgs) _
Handles toolStripItem1.Click
dataGridView.Rows(mouseLocation.RowIndex) _
.Cells(mouseLocation.ColumnIndex) _
.Style.BackColor = Color.Red
End Sub
Private mouseLocation As DataGridViewCellEventArgs
' Deal with hovering over a cell.
Private Sub dataGridView_CellMouseEnter(ByVal sender As Object, _
ByVal location As DataGridViewCellEventArgs) _
Handles DataGridView.CellMouseEnter
mouseLocation = location
End Sub
Private Sub SetDefaultCellInFirstColumn()
Dim firstColumn As DataGridViewColumn = _
dataGridView.Columns(0)
Dim cellStyle As DataGridViewCellStyle = _
New DataGridViewCellStyle()
cellStyle.BackColor = Color.Thistle
firstColumn.DefaultCellStyle = cellStyle
End Sub
Private Sub ToolTips()
Dim firstColumn As DataGridViewColumn = _
dataGridView.Columns(0)
Dim thirdColumn As DataGridViewColumn = _
dataGridView.Columns(2)
firstColumn.ToolTipText = _
"This is column uses a default cell."
thirdColumn.ToolTipText = _
"This is column uses a template cell." _
& " Changes to one cell's style changes them all."
End Sub
Private Sub AddAdditionalButtons()
AddButton(Button4, "Set Minimum Width of Column Two")
AddButton(Button5, "Set Width of Column One")
AddButton(Button6, "Autosize Third Column")
AddButton(Button7, "Add Thick Vertical Edge")
AddButton(Button8, "Style and Number Columns")
AddButton(Button9, "Change Column Header Text")
AddButton(Button10, "Swap First and Last Columns")
End Sub
Private Sub AdjustDataGridViewSizing()
dataGridView.ColumnHeadersHeightSizeMode = _
DataGridViewColumnHeadersHeightSizeMode.AutoSize
End Sub
'Set the minimum width.
Private Sub Button4_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles Button4.Click
Dim column As DataGridViewColumn = dataGridView.Columns(1)
column.MinimumWidth = 40
End Sub
' Set the width.
Private Sub Button5_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles Button5.Click
Dim column As DataGridViewColumn = dataGridView.Columns(0)
column.Width = 60
End Sub
' AutoSize the third column.
Private Sub Button6_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles Button6.Click
Dim column As DataGridViewColumn = dataGridView.Columns(2)
column.AutoSizeMode = DataGridViewAutoSizeColumnMode.DisplayedCells
End Sub
' Set the vertical edge.
Private Sub Button7_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles Button7.Click
Dim thirdColumn As Integer = 2
Dim column As DataGridViewColumn = _
dataGridView.Columns(thirdColumn)
column.DividerWidth = 10
End Sub
' Style and number columns.
Private Sub Button8_Click(ByVal sender As Object, _
ByVal args As EventArgs) Handles Button8.Click
Dim style As DataGridViewCellStyle = _
New DataGridViewCellStyle()
style.Alignment = _
DataGridViewContentAlignment.MiddleCenter
style.ForeColor = Color.IndianRed
style.BackColor = Color.Ivory
For Each column As DataGridViewColumn _
In dataGridView.Columns
column.HeaderCell.Value = _
column.Index.ToString
column.HeaderCell.Style = style
Next
End Sub
' Change the text in the column header.
Private Sub Button9_Click(ByVal sender As Object, _
ByVal args As EventArgs) Handles Button9.Click
For Each column As DataGridViewColumn _
In dataGridView.Columns
column.HeaderText = String.Concat("Column ", _
column.Index.ToString)
Next
End Sub
' Swap the last column with the first.
Private Sub Button10_Click(ByVal sender As Object, _
ByVal args As EventArgs) Handles Button10.Click
Dim columnCollection As DataGridViewColumnCollection = _
dataGridView.Columns
Dim firstVisibleColumn As DataGridViewColumn = _
columnCollection.GetFirstColumn(DataGridViewElementStates.Visible)
Dim lastVisibleColumn As DataGridViewColumn = _
columnCollection.GetLastColumn(DataGridViewElementStates.Visible, _
Nothing)
Dim firstColumn_sIndex As Integer = firstVisibleColumn.DisplayIndex
firstVisibleColumn.DisplayIndex = _
lastVisibleColumn.DisplayIndex
lastVisibleColumn.DisplayIndex = firstColumn_sIndex
End Sub
' Updated the criteria label.
Private Sub dataGridView_AutoSizeColumnCriteriaChanged( _
ByVal sender As Object, _
ByVal args As DataGridViewAutoSizeColumnModeEventArgs) _
Handles DataGridView.AutoSizeColumnModeChanged
args.Column.DataGridView.Parent. _
Controls("flowlayoutpanel"). _
Controls(criteriaLabel).Text = _
criteriaLabel & args.Column.AutoSizeMode.ToString
End Sub
#End Region
<STAThreadAttribute()> _
Public Shared Sub Main()
Application.Run(New DataGridViewColumnDemo())
End Sub
End Class
using System.Windows.Forms;
using System;
using System.Drawing;
public class DataGridViewColumnDemo : Form
{
#region "set up form"
public DataGridViewColumnDemo()
{
InitializeComponent();
AddButton(Button1, "Reset",
new EventHandler(ResetToDisorder));
AddButton(Button2, "Change Column 3 Header",
new EventHandler(ChangeColumn3Header));
AddButton(Button3, "Change Meatloaf Recipe",
new EventHandler(ChangeMeatloafRecipe));
AddAdditionalButtons();
InitializeDataGridView();
}
DataGridView dataGridView;
Button Button1 = new Button();
Button Button2 = new Button();
Button Button3 = new Button();
Button Button4 = new Button();
Button Button5 = new Button();
Button Button6 = new Button();
Button Button7 = new Button();
Button Button8 = new Button();
Button Button9 = new Button();
Button Button10 = new Button();
FlowLayoutPanel FlowLayoutPanel1 = new FlowLayoutPanel();
private void InitializeComponent()
{
FlowLayoutPanel1.Location = new Point(454, 0);
FlowLayoutPanel1.AutoSize = true;
FlowLayoutPanel1.FlowDirection = FlowDirection.TopDown;
FlowLayoutPanel1.Name = "flowlayoutpanel";
ClientSize = new System.Drawing.Size(614, 360);
Controls.Add(this.FlowLayoutPanel1);
Text = this.GetType().Name;
AutoSize = true;
}
#endregion
#region "set up DataGridView"
private string thirdColumnHeader = "Main Ingredients";
private string boringMeatloaf = "ground beef";
private string boringMeatloafRanking = "*";
private bool boringRecipe;
private bool shortMode;
private void InitializeDataGridView()
{
dataGridView = new System.Windows.Forms.DataGridView();
Controls.Add(dataGridView);
dataGridView.Size = new Size(300, 200);
// Create an unbound DataGridView by declaring a
// column count.
dataGridView.ColumnCount = 4;
AdjustDataGridViewSizing();
// Set the column header style.
DataGridViewCellStyle columnHeaderStyle =
new DataGridViewCellStyle();
columnHeaderStyle.BackColor = Color.Aqua;
columnHeaderStyle.Font =
new Font("Verdana", 10, FontStyle.Bold);
dataGridView.ColumnHeadersDefaultCellStyle =
columnHeaderStyle;
// Set the column header names.
dataGridView.Columns[0].Name = "Recipe";
dataGridView.Columns[1].Name = "Category";
dataGridView.Columns[2].Name = thirdColumnHeader;
dataGridView.Columns[3].Name = "Rating";
PostColumnCreation();
// Populate the rows.
string[] row1 = new string[]{"Meatloaf",
"Main Dish", boringMeatloaf, boringMeatloafRanking};
string[] row2 = new string[]{"Key Lime Pie",
"Dessert", "lime juice, evaporated milk", "****"};
string[] row3 = new string[]{"Orange-Salsa Pork Chops",
"Main Dish", "pork chops, salsa, orange juice", "****"};
string[] row4 = new string[]{"Black Bean and Rice Salad",
"Salad", "black beans, brown rice", "****"};
string[] row5 = new string[]{"Chocolate Cheesecake",
"Dessert", "cream cheese", "***"};
string[] row6 = new string[]{"Black Bean Dip", "Appetizer",
"black beans, sour cream", "***"};
object[] rows = new object[] { row1, row2, row3, row4, row5, row6 };
foreach (string[] rowArray in rows)
{
dataGridView.Rows.Add(rowArray);
}
shortMode = false;
boringRecipe = true;
}
private void AddButton(Button button, string buttonLabel,
EventHandler handler)
{
FlowLayoutPanel1.Controls.Add(button);
button.TabIndex = FlowLayoutPanel1.Controls.Count;
button.Text = buttonLabel;
button.AutoSize = true;
button.Click += handler;
}
private void ResetToDisorder(object sender, System.EventArgs e)
{
Controls.Remove(dataGridView);
dataGridView.Dispose();
InitializeDataGridView();
}
private void ChangeColumn3Header(object sender,
System.EventArgs e)
{
Toggle(ref shortMode);
if (shortMode)
{ dataGridView.Columns[2].HeaderText = "S"; }
else
{ dataGridView.Columns[2].HeaderText = thirdColumnHeader; }
}
private static void Toggle(ref bool toggleThis)
{
toggleThis = !toggleThis;
}
private void ChangeMeatloafRecipe(object sender,
System.EventArgs e)
{
Toggle(ref boringRecipe);
if (boringRecipe)
{
SetMeatloaf(boringMeatloaf, boringMeatloafRanking);
}
else
{
string greatMeatloafRecipe =
"1 lb. lean ground beef, " +
"1/2 cup bread crumbs, 1/4 cup ketchup," +
"1/3 tsp onion powder, " +
"1 clove of garlic, 1/2 pack onion soup mix " +
" dash of your favorite BBQ Sauce";
SetMeatloaf(greatMeatloafRecipe, "***");
}
}
private void SetMeatloaf(string recipe, string rating)
{
dataGridView.Rows[0].Cells[2].Value = recipe;
dataGridView.Rows[0].Cells[3].Value = rating;
}
#endregion
#region "demonstration code"
private void PostColumnCreation()
{
AddContextLabel();
AddCriteriaLabel();
CustomizeCellsInThirdColumn();
AddContextMenu();
SetDefaultCellInFirstColumn();
ToolTips();
dataGridView.CellMouseEnter +=
dataGridView_CellMouseEnter;
dataGridView.AutoSizeColumnModeChanged +=
dataGridView_AutoSizeColumnModeChanged;
}
private string criteriaLabel = "Column 3 sizing criteria: ";
private void AddCriteriaLabel()
{
AddLabelToPanelIfNotAlreadyThere(criteriaLabel,
criteriaLabel +
dataGridView.Columns[2].AutoSizeMode.ToString() +
".");
}
private void AddContextLabel()
{
string labelName = "label";
AddLabelToPanelIfNotAlreadyThere(labelName,
"Use shortcut menu to change cell color.");
}
private void AddLabelToPanelIfNotAlreadyThere(
string labelName, string labelText)
{
Label label;
if (FlowLayoutPanel1.Controls[labelName] == null)
{
label = new Label();
label.AutoSize = true;
label.Name = labelName;
label.BackColor = Color.Bisque;
FlowLayoutPanel1.Controls.Add(label);
}
else
{
label = (Label)FlowLayoutPanel1.Controls[labelName];
}
label.Text = labelText;
}
private void CustomizeCellsInThirdColumn()
{
int thirdColumn = 2;
DataGridViewColumn column =
dataGridView.Columns[thirdColumn];
DataGridViewCell cell = new DataGridViewTextBoxCell();
cell.Style.BackColor = Color.Wheat;
column.CellTemplate = cell;
}
ToolStripMenuItem toolStripItem1 = new ToolStripMenuItem();
private void AddContextMenu()
{
toolStripItem1.Text = "Redden";
toolStripItem1.Click += new EventHandler(toolStripItem1_Click);
ContextMenuStrip strip = new ContextMenuStrip();
foreach (DataGridViewColumn column in dataGridView.Columns)
{
column.ContextMenuStrip = strip;
column.ContextMenuStrip.Items.Add(toolStripItem1);
}
}
private DataGridViewCellEventArgs mouseLocation;
// Change the cell's color.
private void toolStripItem1_Click(object sender, EventArgs args)
{
dataGridView.Rows[mouseLocation.RowIndex]
.Cells[mouseLocation.ColumnIndex].Style.BackColor
= Color.Red;
}
// Deal with hovering over a cell.
private void dataGridView_CellMouseEnter(object sender,
DataGridViewCellEventArgs location)
{
mouseLocation = location;
}
private void SetDefaultCellInFirstColumn()
{
DataGridViewColumn firstColumn = dataGridView.Columns[0];
DataGridViewCellStyle cellStyle =
new DataGridViewCellStyle();
cellStyle.BackColor = Color.Thistle;
firstColumn.DefaultCellStyle = cellStyle;
}
private void ToolTips()
{
DataGridViewColumn firstColumn = dataGridView.Columns[0];
DataGridViewColumn thirdColumn = dataGridView.Columns[2];
firstColumn.ToolTipText =
"This column uses a default cell.";
thirdColumn.ToolTipText =
"This column uses a template cell." +
" Style changes to one cell apply to all cells.";
}
private void AddAdditionalButtons()
{
AddButton(Button4, "Set Minimum Width of Column Two",
new EventHandler(Button4_Click));
AddButton(Button5, "Set Width of Column One",
new EventHandler(Button5_Click));
AddButton(Button6, "Autosize Third Column",
new EventHandler(Button6_Click));
AddButton(Button7, "Add Thick Vertical Edge",
new EventHandler(Button7_Click));
AddButton(Button8, "Style and Number Columns",
new EventHandler(Button8_Click));
AddButton(Button9, "Change Column Header Text",
new EventHandler(Button9_Click));
AddButton(Button10, "Swap First and Last Columns",
new EventHandler(Button10_Click));
}
private void AdjustDataGridViewSizing()
{
dataGridView.ColumnHeadersHeightSizeMode =
DataGridViewColumnHeadersHeightSizeMode.AutoSize;
}
//Set the minimum width.
private void Button4_Click(object sender,
System.EventArgs e)
{
DataGridViewColumn column = dataGridView.Columns[1];
column.MinimumWidth = 40;
}
// Set the width.
private void Button5_Click(object sender, System.EventArgs e)
{
DataGridViewColumn column = dataGridView.Columns[0];
column.Width = 60;
}
// AutoSize the third column.
private void Button6_Click(object sender,
System.EventArgs e)
{
DataGridViewColumn column = dataGridView.Columns[2];
column.AutoSizeMode = DataGridViewAutoSizeColumnMode.DisplayedCells;
}
// Set the vertical edge.
private void Button7_Click(object sender,
System.EventArgs e)
{
int thirdColumn = 2;
DataGridViewColumn column =
dataGridView.Columns[thirdColumn];
column.DividerWidth = 10;
}
// Style and number columns.
private void Button8_Click(object sender,
EventArgs args)
{
DataGridViewCellStyle style = new DataGridViewCellStyle();
style.Alignment =
DataGridViewContentAlignment.MiddleCenter;
style.ForeColor = Color.IndianRed;
style.BackColor = Color.Ivory;
foreach (DataGridViewColumn column in dataGridView.Columns)
{
column.HeaderCell.Value = column.Index.ToString();
column.HeaderCell.Style = style;
}
}
// Change the text in the column header.
private void Button9_Click(object sender,
EventArgs args)
{
foreach (DataGridViewColumn column in dataGridView.Columns)
{
column.HeaderText = String.Concat("Column ",
column.Index.ToString());
}
}
// Swap the last column with the first.
private void Button10_Click(object sender, EventArgs args)
{
DataGridViewColumnCollection columnCollection = dataGridView.Columns;
DataGridViewColumn firstVisibleColumn =
columnCollection.GetFirstColumn(DataGridViewElementStates.Visible);
DataGridViewColumn lastVisibleColumn =
columnCollection.GetLastColumn(
DataGridViewElementStates.Visible, DataGridViewElementStates.None);
int firstColumn_sIndex = firstVisibleColumn.DisplayIndex;
firstVisibleColumn.DisplayIndex = lastVisibleColumn.DisplayIndex;
lastVisibleColumn.DisplayIndex = firstColumn_sIndex;
}
// Updated the criteria label.
private void dataGridView_AutoSizeColumnModeChanged(object sender,
DataGridViewAutoSizeColumnModeEventArgs args)
{
args.Column.DataGridView.Parent.
Controls["flowlayoutpanel"].Controls[criteriaLabel].
Text = criteriaLabel
+ args.Column.AutoSizeMode.ToString();
}
#endregion
[STAThreadAttribute()]
public static void Main()
{
Application.Run(new DataGridViewColumnDemo());
}
}
编译代码
此示例要求：
- 对 System、System.Drawing 和 System.Windows.Forms 程序集的引用。
有关从 Visual Basic 或 Visual C# 的命令行生成此示例的信息，请参见从命令行生成 (Visual Basic) 或在命令行上使用 csc.exe 生成。也可以通过将代码粘贴到新项目，在 Visual Studio 中生成此示例。 如何：使用 Visual Studio 编译和运行完整的 Windows 窗体代码示例
如何：使用 Visual Studio 编译和运行完整的 Windows 窗体代码示例
如何：使用 Visual Studio 编译和运行完整的 Windows 窗体代码示例
如何：使用 Visual Studio 编译和运行完整的 Windows 窗体代码示例
如何：使用 Visual Studio 编译和运行完整的 Windows 窗体代码示例