Question

我想为我的C＃项目创建一个自定义对话框..我想在这个自定义对话框中有一个DataGridView，并且还会有一个按钮..当用户单击此按钮时，返回一个整数值到调用者，然后对话框自行终止..

我怎样才能做到这一点？

Answer 1

C＃中没有提示对话框。您可以创建自定义提示框来执行此操作。

  public static class Prompt
    {
        public static int ShowDialog(string text, string caption)
        {
            Form prompt = new Form();
            prompt.Width = 500;
            prompt.Height = 100;
            prompt.Text = caption;
            Label textLabel = new Label() { Left = 50, Top=20, Text=text };
            NumericUpDown inputBox = new NumericUpDown () { Left = 50, Top=50, Width=400 };
            Button confirmation = new Button() { Text = "Ok", Left=350, Width=100, Top=70 };
            confirmation.Click += (sender, e) => { prompt.Close(); };
            prompt.Controls.Add(confirmation);
            prompt.Controls.Add(textLabel);
            prompt.Controls.Add(inputBox);
            prompt.ShowDialog();
            return (int)inputBox.Value;
        }
    }

然后使用：

调用它

 int promptValue = Prompt.ShowDialog("Test", "123");

Answer 2

在按钮上将DialogResult属性设置为DialogResult.OK
在对话框中，将AcceptButton属性设置为按钮
在名为Result of int type
在按钮的点击事件中设置此属性的值

以这种方式调用对话框

using(myDialog dlg = new myDialog())
{
    if(dlg.ShowDialog() == DialogResult.OK)
    {
        int result = dlg.Result;
        // whatever you need to do with result
    }
}

Answer 3

public static DialogResult InputBox(string title, string promptText, ref string value,bool isDigit=false)
    {
        Form form = new Form();
        Label label = new Label();
        TxtProNet textBox = new TxtProNet();

        if (isDigit == true)
            textBox.TypeNumricOnly = true;

        textBox.Width = 1000;
        Button buttonOk = new Button();
        Button buttonCancel = new Button();

        form.Text = title;
        label.Text = promptText;
        textBox.Text = value;

        buttonOk.Text = "OK";
        buttonCancel.Text = "Cancel";
        buttonOk.DialogResult = DialogResult.OK;
        buttonCancel.DialogResult = DialogResult.Cancel;

        label.SetBounds(9, 20, 372, 13);
        textBox.SetBounds(12, 36, 372, 20);
        buttonOk.SetBounds(228, 72, 75, 23);
        buttonCancel.SetBounds(309, 72, 75, 23);

        label.AutoSize = true;
        textBox.Anchor = textBox.Anchor | AnchorStyles.Right;
        buttonOk.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
        buttonCancel.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;

        form.ClientSize = new Size(396, 107);
        form.Controls.AddRange(new Control[] { label, textBox, buttonOk, buttonCancel });
        form.ClientSize = new Size(Math.Max(300, label.Right + 10), form.ClientSize.Height);
        form.FormBorderStyle = FormBorderStyle.FixedDialog;
        form.StartPosition = FormStartPosition.CenterScreen;
        form.MinimizeBox = false;
        form.MaximizeBox = false;
        form.AcceptButton = buttonOk;
        form.CancelButton = buttonCancel;

        DialogResult dialogResult = form.ShowDialog();
        value = textBox.Text;
        return dialogResult;
    }

Answer 4

一个将MessageBox对象用于这种行为。在代码中，如果您向用户询问是/否问题，则看起来像这样。

在示例中，我询问用户是否希望将其更改的文档保存在名为 AskToSave（）的方法中。

private void AskToSave()
    {

        DialogResult result = MessageBox.Show("Save Document?", "Wait!",MessageBoxButtons.YesNo, MessageBoxIcon.Question);
        if(result == DialogResult.No)
        {
            return;
        }
        else
        {
            SaveDocument();
        }

    }

Answer 5

//combo box dialog c#
//
public static string DialogCombo(string text,DataTable comboSource,string DisplyMember,string ValueMember)
    {
        //comboSource = new DataTable();


        Form prompt = new Form();
        prompt.RightToLeft = RightToLeft.Yes;
        prompt.Width = 500;
        prompt.Height = 200;
        Label textLabel = new Label() { Left = 350, Top = 20, Text = text };
        ComboBox combo = new ComboBox { Left = 50, Top = 50, Width = 400 };
        combo.DataSource = comboSource;
        combo.ValueMember = ValueMember;
        combo.DisplayMember = DisplyMember;
        Button confirmation = new Button() { Text = "تایید", Left = 350, Width = 100, Top = 70 };
        confirmation.Click += (sender, e) => { prompt.Close(); };
        prompt.Controls.Add(confirmation);
        prompt.Controls.Add(textLabel);
        prompt.Controls.Add(combo);
        prompt.ShowDialog();

        return combo.SelectedValue.ToString();
    }

Answer 6

    public partial class DialogFormDisplay : Form
{
    public DialogFormDisplay()
    {
        InitializeComponent();
    }
    string dialogcode;
    public void Display(string code, string title, string description)
    {
        dialogcode = code;
        switch (code)
        {
            case "YesNo":
                btnLeft.Text = "Yes";
                btnLeft.BackColor = Color.ForestGreen;
                btnLeft.ForeColor = Color.White;
                btnRight.Text = "No";
                btnRight.BackColor = Color.Red;
                btnRight.ForeColor = Color.White;
                break;
            default:
                break;
        }
        displayTitle.Text = title;
        displayMessage.Text = description;
    }

    private void btnLeft_Click(object sender, EventArgs e)
    {
        dialogResultLeft(dialogcode);
    }

    private void btnRight_Click(object sender, EventArgs e)
    {
        dialogResultRight(dialogcode);
    }
    void dialogResultLeft(string code)
    {
        switch (code)
        {
            case "YesNo":
                DialogResult = DialogResult.Yes;
                MessageBox.Show("You pressed " + DialogResult);
                break;
            default:
                break;
        }
    }
    void dialogResultRight(string code)
    {
        switch (code)
        {
            case "YesNo":
                DialogResult = DialogResult.No;
                MessageBox.Show("You pressed " + DialogResult);
                break;
            default:
                break;
        }
    }
}

您可以在https://github.com/gurvirlochab/CustomNotifications Here is a sample screenshot of the DialogBox

上查看

最简单的方法来创建一个返回值的自定义对话框？

6 个答案: