/// <summary>
/// Shows the specified message box.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="text">The text.</param>
/// <param name="caption">The caption.</param>
/// <param name="buttons">The buttons.</param>
/// <param name="icon">The icon.</param>
/// <param name="defaultButton">The default button.</param>
/// <returns>The dialog result.</returns>
public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
{
//Create a new instance of the FlexibleMessageBox form
var flexibleMessageBoxForm = new FlexibleMessageBoxForm();
flexibleMessageBoxForm.ShowInTaskbar = false;
//Bind the caption and the message text
flexibleMessageBoxForm.CaptionText = caption;
flexibleMessageBoxForm.MessageText = text;
flexibleMessageBoxForm.FlexibleMessageBoxFormBindingSource.DataSource = flexibleMessageBoxForm;
//Set the buttons visibilities and texts. Also set a default button.
SetDialogButtons(flexibleMessageBoxForm, buttons, defaultButton);
//Set the dialogs icon. When no icon is used: Correct placement and width of rich text box.
SetDialogIcon(flexibleMessageBoxForm, icon);
//Set the font for all controls
flexibleMessageBoxForm.Font = FONT;
flexibleMessageBoxForm.richTextBoxMessage.Font = FONT;
//Calculate the dialogs start size (Try to auto-size width to show longest text row). Also set the maximum dialog size.
SetDialogSizes(flexibleMessageBoxForm, text, caption);
//Set the dialogs start position when given. Otherwise center the dialog on the current screen.
SetDialogStartPosition(flexibleMessageBoxForm, owner);
//Show the dialog
return(flexibleMessageBoxForm.ShowDialog(owner));
}
/// <summary>
/// Calculate the dialogs start size (Try to auto-size width to show longest text row).
/// Also set the maximum dialog size.
/// </summary>
/// <param name="flexibleMessageBoxForm">The FlexibleMessageBox dialog.</param>
/// <param name="text">The text (the longest text row is used to calculate the dialog width).</param>
/// <param name="text">The caption (this can also affect the dialog width).</param>
private static void SetDialogSizes(FlexibleMessageBoxForm flexibleMessageBoxForm, string text, string caption)
{
//First set the bounds for the maximum dialog size
flexibleMessageBoxForm.MaximumSize = new Size(Convert.ToInt32(SystemInformation.WorkingArea.Width * GetCorrectedWorkingAreaFactor(MAX_WIDTH_FACTOR)),
Convert.ToInt32(SystemInformation.WorkingArea.Height * GetCorrectedWorkingAreaFactor(MAX_HEIGHT_FACTOR)));
//Get rows. Exit if there are no rows to render...
var stringRows = GetStringRows(text);
if (stringRows == null)
{
return;
}
//Calculate whole text height
var textHeight = TextRenderer.MeasureText(text, FONT).Height;
//Calculate width for longest text line
const int SCROLLBAR_WIDTH_OFFSET = 15;
var longestTextRowWidth = stringRows.Max(textForRow => TextRenderer.MeasureText(textForRow, FONT).Width);
var captionWidth = TextRenderer.MeasureText(caption, SystemFonts.CaptionFont).Width;
var textWidth = Math.Max(longestTextRowWidth + SCROLLBAR_WIDTH_OFFSET, captionWidth);
//Calculate margins
var marginWidth = flexibleMessageBoxForm.Width - flexibleMessageBoxForm.richTextBoxMessage.Width;
var marginHeight = flexibleMessageBoxForm.Height - flexibleMessageBoxForm.richTextBoxMessage.Height;
//Set calculated dialog size (if the calculated values exceed the maximums, they were cut by windows forms automatically)
flexibleMessageBoxForm.Size = new Size(textWidth + marginWidth,
textHeight + marginHeight);
}
/// <summary>
/// Set the dialogs icon.
/// When no icon is used: Correct placement and width of rich text box.
/// </summary>
/// <param name="flexibleMessageBoxForm">The FlexibleMessageBox dialog.</param>
/// <param name="icon">The MessageBoxIcon.</param>
private static void SetDialogIcon(FlexibleMessageBoxForm flexibleMessageBoxForm, MessageBoxIcon icon)
{
switch (icon)
{
case MessageBoxIcon.Information:
flexibleMessageBoxForm.pictureBoxForIcon.Image = SystemIcons.Information.ToBitmap();
break;
case MessageBoxIcon.Warning:
flexibleMessageBoxForm.pictureBoxForIcon.Image = SystemIcons.Warning.ToBitmap();
break;
case MessageBoxIcon.Error:
flexibleMessageBoxForm.pictureBoxForIcon.Image = SystemIcons.Error.ToBitmap();
break;
case MessageBoxIcon.Question:
flexibleMessageBoxForm.pictureBoxForIcon.Image = SystemIcons.Question.ToBitmap();
break;
default:
//When no icon is used: Correct placement and width of rich text box.
flexibleMessageBoxForm.pictureBoxForIcon.Visible = false;
flexibleMessageBoxForm.richTextBoxMessage.Left -= flexibleMessageBoxForm.pictureBoxForIcon.Width;
flexibleMessageBoxForm.richTextBoxMessage.Width += flexibleMessageBoxForm.pictureBoxForIcon.Width;
break;
}
}
/// <summary>
/// Set the dialogs start position when given.
/// Otherwise center the dialog on the current screen.
/// </summary>
/// <param name="flexibleMessageBoxForm">The FlexibleMessageBox dialog.</param>
/// <param name="owner">The owner.</param>
private static void SetDialogStartPosition(FlexibleMessageBoxForm flexibleMessageBoxForm, IWin32Window owner)
{
//If no owner given: Center on current screen
if (owner == null)
{
var screen = Screen.FromPoint(Cursor.Position);
flexibleMessageBoxForm.StartPosition = FormStartPosition.Manual;
flexibleMessageBoxForm.Left = screen.Bounds.Left + screen.Bounds.Width / 2 - flexibleMessageBoxForm.Width / 2;
flexibleMessageBoxForm.Top = screen.Bounds.Top + screen.Bounds.Height / 2 - flexibleMessageBoxForm.Height / 2;
}
}
/// <summary>
/// Set dialog buttons visibilities and texts.
/// Also set a default button.
/// </summary>
/// <param name="flexibleMessageBoxForm">The FlexibleMessageBox dialog.</param>
/// <param name="buttons">The buttons.</param>
/// <param name="defaultButton">The default button.</param>
private static void SetDialogButtons(FlexibleMessageBoxForm flexibleMessageBoxForm, MessageBoxButtons buttons, MessageBoxDefaultButton defaultButton)
{
//Set the buttons visibilities and texts
switch (buttons)
{
case MessageBoxButtons.AbortRetryIgnore:
flexibleMessageBoxForm.visibleButtonsCount = 3;
flexibleMessageBoxForm.button1.Visible = true;
flexibleMessageBoxForm.button1.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.ABORT);
flexibleMessageBoxForm.button1.DialogResult = DialogResult.Abort;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.RETRY);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.Retry;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.IGNORE);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.Ignore;
flexibleMessageBoxForm.ControlBox = false;
break;
case MessageBoxButtons.OKCancel:
flexibleMessageBoxForm.visibleButtonsCount = 2;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.OK);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.OK;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.CANCEL);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.Cancel;
flexibleMessageBoxForm.CancelButton = flexibleMessageBoxForm.button3;
break;
case MessageBoxButtons.RetryCancel:
flexibleMessageBoxForm.visibleButtonsCount = 2;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.RETRY);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.Retry;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.CANCEL);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.Cancel;
flexibleMessageBoxForm.CancelButton = flexibleMessageBoxForm.button3;
break;
case MessageBoxButtons.YesNo:
flexibleMessageBoxForm.visibleButtonsCount = 2;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.YES);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.Yes;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.NO);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.No;
flexibleMessageBoxForm.ControlBox = false;
break;
case MessageBoxButtons.YesNoCancel:
flexibleMessageBoxForm.visibleButtonsCount = 3;
flexibleMessageBoxForm.button1.Visible = true;
flexibleMessageBoxForm.button1.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.YES);
flexibleMessageBoxForm.button1.DialogResult = DialogResult.Yes;
flexibleMessageBoxForm.button2.Visible = true;
flexibleMessageBoxForm.button2.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.NO);
flexibleMessageBoxForm.button2.DialogResult = DialogResult.No;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.CANCEL);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.Cancel;
flexibleMessageBoxForm.CancelButton = flexibleMessageBoxForm.button3;
break;
case MessageBoxButtons.OK:
default:
flexibleMessageBoxForm.visibleButtonsCount = 1;
flexibleMessageBoxForm.button3.Visible = true;
flexibleMessageBoxForm.button3.Text = flexibleMessageBoxForm.GetButtonText(ButtonID.OK);
flexibleMessageBoxForm.button3.DialogResult = DialogResult.OK;
flexibleMessageBoxForm.CancelButton = flexibleMessageBoxForm.button3;
break;
}
//Set default button (used in FlexibleMessageBoxForm_Shown)
flexibleMessageBoxForm.defaultButton = defaultButton;
}
