public BetterMessageBoxForm(BetterMessageBoxData <T> data)
{
const int ButtonWidthPadding = 12;
const int ButtonHeightPadding = 8;
const int ButtonSpacing = 8;
const int FormWidthPadding = 16;
const int FormHeightPadding = 16;
int imageWidth = data.Image?.Width ?? 0;
int imageHeight = data.Image?.Height ?? 0;
_data = data;
DialogResult = DialogResult.None;
Text = _data.Caption ?? string.Empty;
MinimizeBox = false;
MaximizeBox = false;
ShowIcon = false;
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.FixedSingle;
Font font = new Font(_data.FontName, _data.FontSize);
Font boldFont = new Font(_data.FontName, _data.FontSize, FontStyle.Bold);
Size textSize = TextRenderer.MeasureText(_data.Message ?? string.Empty, font);
_buttonPanel = new Panel();
Controls.Add(_buttonPanel);
if (data.Image != null && imageWidth > 0)
{
_pictureBox = new PictureBox();
Controls.Add(_pictureBox);
_pictureBox.Image = data.Image;
_pictureBox.Size = data.Image.Size;
_pictureBox.Location = new Point(FormWidthPadding, FormHeightPadding);
}
int textVerticalOffset = textSize.Height >= imageHeight
? 0
: (imageHeight - textSize.Height) / 2;
_textBox = new TextBox();
Controls.Add(_textBox);
_textBox.BorderStyle = BorderStyle.None;
_textBox.Multiline = true;
_textBox.Location = new Point(FormWidthPadding + (imageWidth > 0 ? imageWidth + FormWidthPadding : 0), FormHeightPadding + textVerticalOffset);
_textBox.Size = new Size(textSize.Width + FormWidthPadding * 2, textSize.Height + FormHeightPadding * 2);
_textBox.WordWrap = true;
_textBox.Text = _data.Message ?? string.Empty;
_textBox.BackColor = BackColor;
_textBox.Font = font;
int buttonOffset = 0;
int maxHeight = 0;
foreach (BetterMessageBoxButton <T> buttonData in data.Buttons)
{
BetterMessageBoxButton <T> localButtonData = buttonData;
Button button = new Button();
_buttonPanel.Controls.Add(button);
Font buttonFont = buttonData.Bold ? boldFont : font;
Size buttonTextSize = TextRenderer.MeasureText(buttonData.Text ?? string.Empty, buttonFont);
button.AutoSize = false;
button.Location = new Point(buttonOffset, 0);
button.Font = buttonFont;
button.Size = new Size(buttonTextSize.Width + ButtonWidthPadding * 2,
buttonTextSize.Height + ButtonHeightPadding * 2);
button.Text = buttonData.Text;
button.Click += (sender, e) =>
{
OnButtonClicked(localButtonData);
};
buttonOffset += buttonTextSize.Width + ButtonWidthPadding * 2 + ButtonSpacing;
if (buttonTextSize.Height > maxHeight)
{
maxHeight = buttonTextSize.Height;
}
}
foreach (Control control in _buttonPanel.Controls)
{
control.Height = maxHeight + ButtonHeightPadding * 2;
}
_buttonPanel.Size = new Size(buttonOffset - ButtonSpacing + FormWidthPadding,
maxHeight + ButtonHeightPadding * 2 + FormHeightPadding);
ClientSize = new Size(
Math.Max(_buttonPanel.Width + FormWidthPadding, _textBox.Width + (imageWidth > 0 ? imageWidth + FormWidthPadding : 0)),
Math.Max(imageHeight + FormHeightPadding * 2, _textBox.Height) + _buttonPanel.Height);
_buttonPanel.Location = new Point(ClientSize.Width - _buttonPanel.Width, ClientSize.Height - _buttonPanel.Height);
_buttonPanel.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
_textBox.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Right | AnchorStyles.Left;
StartPosition = _data.Owner != null ? FormStartPosition.CenterParent : FormStartPosition.CenterScreen;
}
protected void OnButtonClicked(BetterMessageBoxButton <T> button)
{
CustomResult = button.Value;
DialogResult = DialogResult.OK;
Close();
}
