/// <summary>
/// Creates a new text editor child window.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FileNew(object sender, EventArgs e)
{
formTextEditor textEditorInstance = new formTextEditor();
textEditorInstance.MdiParent = this;
textEditorInstance.Show();
}
/// <summary>
/// Opens a saved text editor document.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void FileOpen(object sender, EventArgs e)
{
// If there is an active window:
if (this.MdiChildren.Length > 0)
{
// If a text editor window is the currently active window...
if (this.ActiveMdiChild.GetType() == typeof(formTextEditor))
{
// ...call the text editor's Open event handler.
formTextEditor textEditorInstance =
(formTextEditor)this.ActiveMdiChild;
textEditorInstance.FileOpen(sender, e);
}
// If a text editor is not the active window:
else
{
// Create a new text editor window.
formTextEditor textEditorInstance = new formTextEditor();
textEditorInstance.MdiParent = this;
textEditorInstance.Show();
// Set focus to the new window and call the Open event handler.
textEditorInstance.Focus();
textEditorInstance.FileOpen(sender, e);
}
}
// If there are no active windows:
else
{
// Create a new text editor window.
formTextEditor textEditorInstance = new formTextEditor();
textEditorInstance.MdiParent = this;
textEditorInstance.Show();
// Set focus to the new window and call the Open event handler.
textEditorInstance.Focus();
textEditorInstance.FileOpen(sender, e);
}
}