ToolStripTextBox.MaxLength 属性

定义

命名空间:

System.Windows.Forms

程序集:

System.Windows.Forms.dll

获取或设置用户可在文本框控件中键入或粘贴的最大字符数。

public:
 property int MaxLength { int get(); void set(int value); };

public int MaxLength { get; set; }

member this.MaxLength : int with get, set

Public Property MaxLength As Integer

属性值

Int32

可以在文本框控件中输入的字符数。 默认值为 32767 个字符。

示例

下面的代码示例演示了设置各种 ToolStripTextBox 通用属性设置（包括属性）的 MaxLength 语法。

// This code example demonstrates the syntax for setting
// various ToolStripTextBox properties.
// 
toolStripTextBox1.AcceptsReturn = true;
toolStripTextBox1.AcceptsTab = true;
toolStripTextBox1.AutoCompleteCustomSource.AddRange(new string[] {
"This is line one.",
"Second line.",
"Another line."});
toolStripTextBox1.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend;
toolStripTextBox1.AutoCompleteSource = System.Windows.Forms.AutoCompleteSource.CustomSource;
toolStripTextBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
toolStripTextBox1.CharacterCasing = System.Windows.Forms.CharacterCasing.Upper;
toolStripTextBox1.HideSelection = false;
toolStripTextBox1.MaxLength = 32000;
toolStripTextBox1.Name = "toolStripTextBox1";
toolStripTextBox1.ShortcutsEnabled = false;
toolStripTextBox1.Size = new System.Drawing.Size(100, 25);
toolStripTextBox1.Text = "STRING1\r\nSTRING2\r\nSTRING3\r\nSTRING4";
toolStripTextBox1.TextBoxTextAlign = System.Windows.Forms.HorizontalAlignment.Center;

' This code example demonstrates the syntax for setting
' various ToolStripTextBox properties.
' 
toolStripTextBox1.AcceptsReturn = True
toolStripTextBox1.AcceptsTab = True
toolStripTextBox1.AutoCompleteCustomSource.AddRange(New String() {"This is line one.", "Second line.", "Another line."})
toolStripTextBox1.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend
toolStripTextBox1.AutoCompleteSource = System.Windows.Forms.AutoCompleteSource.CustomSource
toolStripTextBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
toolStripTextBox1.CharacterCasing = System.Windows.Forms.CharacterCasing.Upper
toolStripTextBox1.HideSelection = False
toolStripTextBox1.MaxLength = 32000
toolStripTextBox1.Name = "toolStripTextBox1"
toolStripTextBox1.ShortcutsEnabled = False
toolStripTextBox1.Size = New System.Drawing.Size(100, 25)
toolStripTextBox1.Text = "STRING1" + ControlChars.Cr + ControlChars.Lf + "STRING2" + ControlChars.Cr + ControlChars.Lf + "STRING3" + ControlChars.Cr + ControlChars.Lf + "STRING4"
toolStripTextBox1.TextBoxTextAlign = System.Windows.Forms.HorizontalAlignment.Center

注解

可以使用此属性限制在控件中输入的值（如邮政编码和电话号码）的文本长度，或者限制在数据库中输入数据时输入的文本长度。 可以将控件中输入的文本限制为数据库中相应字段的最大长度。