private void 新建ToolStripMenuItem_Click(object sender, EventArgs e)
{
Class3ChildForm chd = new Class3ChildForm();
chd.MdiParent = this;
chd.Show();
}
private void 字体ToolStripMenuItem_Click(object sender, EventArgs e)
{
FontDialog fontDialog = new FontDialog();
if (fontDialog.ShowDialog() == DialogResult.OK)
{
Class3ChildForm childForm = (Class3ChildForm)this.ActiveMdiChild;
childForm.richTextBox1.SelectionFont = fontDialog.Font;
}
}
private void 颜色ToolStripMenuItem_Click(object sender, EventArgs e)
{
ColorDialog colorDialog = new ColorDialog();
if (colorDialog.ShowDialog() == DialogResult.OK)
{
Class3ChildForm childForm = (Class3ChildForm)this.ActiveMdiChild;
childForm.richTextBox1.SelectionColor = colorDialog.Color;
}
}
private void 打开ToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "富文本文件(*.ustb)|*.ustb";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
Class3ChildForm childForm = new Class3ChildForm();
childForm.MdiParent = this;
childForm.Show();
childForm.richTextBox1.LoadFile(openFileDialog.FileName);
childForm.filePath = openFileDialog.FileName;
}
}
private void 另存为ToolStripMenuItem_Click(object sender, EventArgs e)
{
SaveFileDialog fileDialog = new SaveFileDialog();
fileDialog.Filter = "富文本文件(*.ustb)|*.ustb"; //设置文件类型
fileDialog.FileName = "富文本文件"; //设置默认文件名
fileDialog.DefaultExt = "ustb"; //设置默认格式（可以不设）
fileDialog.AddExtension = true; //设置自动在文件名中添加扩展名
if (fileDialog.ShowDialog() == DialogResult.OK)
{
Class3ChildForm childForm = (Class3ChildForm)this.ActiveMdiChild;
childForm.richTextBox1.SaveFile(fileDialog.FileName);
childForm.filePath = fileDialog.FileName;
}
}
private void 剪切ToolStripMenuItem_Click(object sender, EventArgs e)
{
Class3ChildForm childForm = (Class3ChildForm)this.ActiveMdiChild;
childForm.richTextBox1.Cut();
}
private void 保存ToolStripMenuItem_Click(object sender, EventArgs e)
{
Class3ChildForm childForm = (Class3ChildForm)this.ActiveMdiChild;
childForm.richTextBox1.SaveFile(childForm.filePath);
}
private void 冬ToolStripMenuItem_Click(object sender, EventArgs e)
{
Class3ChildForm childForm = (Class3ChildForm)this.ActiveMdiChild;
childForm.richTextBox1.BackColor = Color.FromArgb(255, 255, 255, 255);
}