public Child getChildForm1(int i)
{
Child form1 = new Child();
TabPage tabPage = new TabPage();
tabPage = tabControl1.TabPages[i];
if (tabControl1.TabCount > 0)
{
foreach (Control c in tabPage.Controls)
{
if (c.GetType() == typeof(Child))
{
Child form = c as Child;
return form;
}
}
}
return form1;
}
public void 打开OToolStripMenuItem_Click(object sender, EventArgs e)
{
openFileDialog1.Title = "打开文件...";
openFileDialog1.Filter = "富格式文件(*.rtf)|*.rtf|文本文件(*.txt)|*.txt|所有文件(*.*)|*.*";
openFileDialog1.FilterIndex = 1;
openFileDialog1.InitialDirectory = "桌面";
openFileDialog1.ShowReadOnly = true;
openFileDialog1.ReadOnlyChecked = false;
openFileDialog1.FileName = "";
Child child = new Child();
child.setF1(this);
//关键语句
child.TopLevel = false;
child.TopMost = false;
child.ControlBox = true;
child.FormBorderStyle = FormBorderStyle.None;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
int i = 0;
Text = openFileDialog1.FileName;
for (i = 0; i < tabControl1.TabCount; i++)
{
Child child2 = getChildForm1(i);
if (openFileDialog1.FileName.Equals(child2.openFileDialog1.FileName))
{
break;
}
}
if (i == tabControl1.TabCount)
{
RichTextBox f = child.getRichTextBox();
if (Path.GetExtension(openFileDialog1.FileName) == ".rtf")
f.LoadFile(openFileDialog1.FileName.ToString(), RichTextBoxStreamType.RichText);
else
f.LoadFile(openFileDialog1.FileName.ToString(), RichTextBoxStreamType.PlainText);
child.openFileDialog1.FileName = openFileDialog1.FileName.ToString();
TabPage newPage = new TabPage();
newPage.Text = openFileDialog1.SafeFileName.ToString();
newPage.Parent = tabControl1;
child.Parent = newPage;
child.Show();
tabControl1.SelectedTab = newPage;
}
else
{
tabControl1.SelectedTab = tabControl1.TabPages[i];
}
}
openFileDialog1.FileName = "";
}
private void 新建NToolStripMenuItem_Click(object sender, EventArgs e)
{
openFileDialog1.FileName = ""; //第一个在对话框中显示的文件或最后一个选取的文件,开始设置为空
Child child = new Child(); //建立子窗口
child.setF1(this);
child.openFileDialog1.FileName = openFileDialog1.FileName; // 将现有属性添加到子窗口
child.saveFileDialog1.FileName = saveFileDialog1.FileName;
//关键语句
child.TopLevel = false;
child.TopMost = false;
child.ControlBox = true;
child.FormBorderStyle = FormBorderStyle.None;
child.Dock = DockStyle.Fill;
TabPage newPage = new TabPage();
tabNum += 1; //标签数加1
newPage.Text = "未命名 " + tabNum.ToString();
newPage.Parent = tabControl1;
child.Parent = newPage;
child.Show();
tabControl1.SelectedTab = newPage;
}
