/// <summary>
/// The <see cref="Control.Click"/> event handler for the
/// <see cref="Button"/> <see cref="btnInstruction"/>.
/// Shows a <see cref="TextDialog"/> to define a textual
/// instruction that is added to all imported slides.
/// </summary>
/// <param name="sender">Source of the event.</param>
/// <param name="e">An empty <see cref="EventArgs"/></param>
private void btnInstruction_Click(object sender, EventArgs e)
{
TextDialog dlg = new TextDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
VGText text = dlg.NewText;
this.cbbDesignedItem.Items.Add(text);
this.cbbDesignedItem.SelectedItem = text;
}
}
/// <summary>
/// <see cref="Control.TextChanged"/> event handler
/// for the <see cref="TextBox"/> <see cref="txbInstructions"/>
/// Updates the selected <see cref="VGText"/> element with the modified
/// instruction.
/// </summary>
/// <param name="sender">Source of the event.</param>
/// <param name="e">A empty <see cref="EventArgs"/></param>
private void txbInstructions_TextChanged(object sender, EventArgs e)
{
if (this.designPicture.SelectedElement != null && !this.isInitializingSelectedShape)
{
if (this.designPicture.SelectedElement is VGText)
{
VGText text = (VGText)this.designPicture.SelectedElement;
text.StringToDraw = this.txbInstructions.Text;
this.designPicture.DrawForeground(true);
}
}
}