本文整理汇总了C#中System.Windows.Forms.TextBox.Clear方法的典型用法代码示例。如果您正苦于以下问题：C# TextBox.Clear方法的具体用法？C# TextBox.Clear怎么用？C# TextBox.Clear使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Forms.TextBox的用法示例。
在下文中一共展示了TextBox.Clear方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: PrintRadacini
public void PrintRadacini(TextBox tb)
{
tb.Clear();
for (int i = 0; i < radacini.Count; i++) {
tb.AppendText(radacini[i] + "\n");
}
}示例2: ShowDialog
public static string ShowDialog(string text, string caption, string initalValue="")
{
Label textLabel = new Label() { Left = 30, Top = 5, Width = 200, Text = text };
TextBox textBox = new TextBox() { Left = 30, Top = 35, Width = 200, Text = initalValue };
Button confirmation = new Button() { Text = "Ok", Left = 105, Width = 70, Top = 80 };
Button cancel = new Button() { Text = "Cancel", Left = 180, Width = 70, Top = 80 };
Form prompt = new Form {Text = caption, ShowIcon = false, AcceptButton = confirmation, CancelButton = cancel,
AutoSize = true, MaximizeBox = false, MinimizeBox = false, AutoSizeMode = AutoSizeMode.GrowAndShrink,
SizeGripStyle = SizeGripStyle.Hide, ShowInTaskbar = false, StartPosition = FormStartPosition.CenterParent};
confirmation.Click += (sender, e) =>
{
prompt.DialogResult = DialogResult.OK;
prompt.Close();
};
cancel.Click += (sender, e) =>
{
textBox.Clear();
prompt.DialogResult = DialogResult.Cancel;
prompt.Close();
};
prompt.Controls.Add(confirmation);
prompt.Controls.Add(cancel);
prompt.Controls.Add(textLabel);
prompt.Controls.Add(textBox);
prompt.ActiveControl = textBox;
var result = prompt.ShowDialog();
return result == DialogResult.OK ? textBox.Text.Trim() : null;
}示例3: Drawer
public Drawer(TextBox monitor, TextBox resultMonitor, DataGridView grid, DataGridView grid2)
{
this._monitor = monitor;
this._resultMonitor = resultMonitor;
this._grid = grid;
this._grid2 = grid2;
_table = new DataTable();
_triangularTable = new DataTable();
_table.Columns.Add("A1", typeof(int));
_table.Columns.Add("A2", typeof(int));
_table.Columns.Add("A3", typeof(int));
_table.Columns.Add("A4", typeof(int));
_table.Columns.Add("C", typeof(int));
_triangularTable.Columns.Add("A1", typeof(int));
_triangularTable.Columns.Add("A2", typeof(int));
_triangularTable.Columns.Add("A3", typeof(int));
_triangularTable.Columns.Add("A4", typeof(int));
_triangularTable.Columns.Add("C", typeof(int));
grid.DataSource = _table;
grid2.DataSource = _triangularTable;
_monitor.Clear();
_resultMonitor.Clear();
Solver.UpdateMatrix += SolverUpdateMatrix;
Solver.UpdateGridRepresentation += Solver_UpdateGridRepresentation;
Solver.CalculationComplete += Solver_CalculationComplete;
Solver.ReversePassComplete += Solver_ReversePassComplete;
Solver.RowsSwaped += Solver_RowsSwaped;
}示例4: button2_Click
private void button2_Click(object sender, EventArgs e)
{
TextBox txtBoxXi = new TextBox();
txtBoxXi = (TextBox)Controls.Find("txtBoxXi", true).FirstOrDefault();
TextBox txtBoxYi = new TextBox();
txtBoxYi = (TextBox)Controls.Find("txtBoxYi", true).FirstOrDefault();
if (txtBoxXi.Text != "" && txtBoxYi.Text != "")
{
if (VerificaSeENumero(txtBoxXi) && VerificaSeENumero(txtBoxYi))
{
listaX.Add(Convert.ToDouble(txtBoxXi.Text));
listaY.Add(Convert.ToDouble(txtBoxYi.Text));
itm = new ListViewItem(new[] { txtBoxXi.Text, txtBoxYi.Text });
listView2.Items.Add(itm);
listView2.GridLines = true;
listView2.View = View.Details;
listView2.FullRowSelect = true;
listView2.Update();
}
txtBoxXi.Clear();
txtBoxYi.Clear();
}
}示例5: control_readonly
//改变文本框读写权限,控制计费类型对应关系
public void control_readonly(ComboBox s_FeeType, TextBox n_Period, TextBox n_FixMoney,TextBox n_FeeRatio,TextBox n_NumFrom,TextBox n_NumTo)
{
if (s_FeeType.Text.Trim() == "按张计费")
{
n_Period.ReadOnly = true;
n_FixMoney.ReadOnly = true;
n_Period.Clear();
n_FixMoney.Clear();
n_FeeRatio.ReadOnly = false;
n_NumFrom.ReadOnly = false;
n_NumTo.ReadOnly = false;
}
if (s_FeeType.Text.Trim() == "周期性固定计费")
{
n_FeeRatio.ReadOnly = true;
n_NumFrom.ReadOnly = true;
n_NumTo.ReadOnly = true;
n_FeeRatio.Clear();
n_NumFrom.Clear();
n_NumTo.Clear();
n_Period.ReadOnly = false;
n_FixMoney.ReadOnly = false;
}
}示例6: isPresentTextBox
//data validation for textbox presence
//extra logic for if the textbox is the color textbox
public bool isPresentTextBox(TextBox textbox, string name)
{
if (textbox == txtColor)
{
if (textbox.Text == "")
{
MessageBox.Show(name + " is a required field. Enter N/A if not applicable.", "Error");
textbox.Clear();
textbox.Focus();
return false;
}
else
{
return true;
}
}
else
{
if (textbox.Text == "")
{
MessageBox.Show(name + " is a required field", "Error");
textbox.Clear();
textbox.Focus();
return false;
}
}
return true;
}示例7: AddNew
private void AddNew(TextBox txtWord, int iListIndex)
{
if (string.IsNullOrWhiteSpace(txtWord.Text)) {
return;
}
insults.AddToList(iListIndex, txtWord.Text);
txtWord.Clear();
}示例8: loadIMDBArrayListInfo
private void loadIMDBArrayListInfo(IMDb imdb, ArrayList list, TextBox txtBox)
{
txtBox.Clear();
for (int i = 0; i < list.Count; i++)
{
txtBox.Text += list[i].ToString() + ", ";
}
}示例9: FillMemo
public static void FillMemo(TextBox lb, List<string> list)
{
lb.Clear();
foreach(var s in list) {
if (lb.Text.Length > 0)
lb.AppendText(Environment.NewLine);
lb.AppendText(s);
}
}示例10: isPresent
//presence validation
public bool isPresent(TextBox textbox, string name)
{
if (textbox.Text == "")
{
MessageBox.Show(name + " is a required field", "Error");
textbox.Clear();
textbox.Focus();
return false;
}
return true;
}示例11: Document
// Creates new, empty document
public Document(TextBox ScriptTextBox, ListView ListView1)
{
m_ScriptTextBox = ScriptTextBox;
m_ListView1 = ListView1;
m_FileName = null;
m_TasksGenerated = false;
m_ScriptTextBox.Clear(); // Causes OnScriptTextChanged call, but we don't mind
m_ListView1.Items.Clear();
m_ScriptTextBox.Modified = false;
}示例12: IsDecimal
//decimal type validation
public bool IsDecimal(TextBox textbox, string name)
{
decimal number = 0;
if (decimal.TryParse(textbox.Text, out number))
{
return true;
}
else
{
MessageBox.Show(name + " must be a decimal.", "Entry Error");
textbox.Clear();
textbox.Focus();
return false;
}
}示例13: IsInt
//Data type validation for INT
public bool IsInt(TextBox textbox, string name)
{
int number = 0;
if (int.TryParse(textbox.Text, out number))
{
return true;
}
else
{
MessageBox.Show(name + " must be an integer.", "Entry Error");
textbox.Clear();
textbox.Focus();
return false;
}
}示例14: tbToDecimal
public decimal tbToDecimal(TextBox tb, string errMessage = "")
{
decimal num = 0m;
if (tb.Text.Length == 0) return num;
try
{
num = Convert.ToDecimal(tb.Text);
tb.Clear();
}
catch (FormatException e)
{
errMessage = (errMessage.Length > 0 ? errMessage : e.Message);
MessageBox.Show(errMessage);
}
return num;
}示例15: tbToInt
/// <summary>
///
/// </summary>
/// <param name="str"></param>
/// <param name="errMessage"></param>
/// <param name="defaultIfBlank"></param>
/// <returns></returns>
public int tbToInt(TextBox tb, string errMessage = "", bool OneIfBlank = false)
{
int num = 0;
if (tb.Text == "")
return 1;
try
{
num = Convert.ToInt32(tb.Text);
tb.Clear();
}
catch (FormatException e)
{
errMessage = (errMessage.Length > 0 ? errMessage : e.Message);
MessageBox.Show(errMessage);
}
return num;
}