protected override void OnPaint(PaintEventArgs e)
{
try {
// Translate the graphics to work the same way the timeline grid does
// (ie. Drawing coordinates take into account where we start at in time)
e.Graphics.TranslateTransform(-timeToPixels(VisibleTimeStart), 0);
drawTicks(e.Graphics, MajorTick, 2, 0.5);
drawTicks(e.Graphics, MinorTick, 1, 0.25);
drawTimes(e.Graphics);
using (Pen p = new Pen(Color.Black, 2)) {
e.Graphics.DrawLine(p, 0, Height - 1, timeToPixels(TotalTime), Height - 1);
}
drawPlaybackIndicators(e.Graphics);
_drawMarks(e.Graphics);
}
catch (Exception ex) {
//messageBox Arguments are (Text, Title, No Button Visible, Cancel Button Visible)
MessageBoxForm.msgIcon = SystemIcons.Error; //this is used if you want to add a system icon to the message form.
var messageBox = new MessageBoxForm("Exception in Timeline.Ruler.OnPaint():\n\n\t" + ex.Message + "\n\nBacktrace:\n\n\t" + ex.StackTrace,
@"Error", false, false);
messageBox.ShowDialog();
}
}
public static DialogResult Show (IWin32Window owner, string text, string caption,
MessageBoxButtons buttons)
{
MessageBoxForm form = new MessageBoxForm (owner, text, caption, buttons, MessageBoxIcon.None);
return form.RunDialog ();
}
public static DialogResult Show (string text, string caption)
{
MessageBoxForm form = new MessageBoxForm (null, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None);
return form.RunDialog ();
}
public static DialogResult Show (IWin32Window owner, string text)
{
MessageBoxForm form = new MessageBoxForm (owner, text, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.None);
return form.RunDialog ();
}
public static DialogResult Show (IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,
string helpFilePath, HelpNavigator navigator, object param)
{
MessageBoxForm form = new MessageBoxForm (owner, text, caption, buttons,
icon, defaultButton, options, true);
form.SetHelpData (helpFilePath, null, navigator, param);
return form.RunDialog ();
}
public static DialogResult Show (IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,
string helpFilePath, string keyword)
{
MessageBoxForm form = new MessageBoxForm (owner, text, caption, buttons,
icon, defaultButton, options, true);
form.SetHelpData (helpFilePath, keyword, HelpNavigator.TableOfContents, null);
return form.RunDialog ();
}
public static DialogResult Show (string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options,
bool displayHelpButton)
{
MessageBoxForm form = new MessageBoxForm (null, text, caption, buttons,
icon, defaultButton, options, displayHelpButton);
return form.RunDialog ();
}
public static DialogResult Show (IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton, MessageBoxOptions options)
{
MessageBoxForm form = new MessageBoxForm (owner, text, caption, buttons,
icon, defaultButton, options, false);
return form.RunDialog ();
}
public static DialogResult Show (string text, string caption, MessageBoxButtons buttons,
MessageBoxIcon icon, MessageBoxDefaultButton defaultButton)
{
MessageBoxForm form = new MessageBoxForm (null, text, caption, buttons,
icon, defaultButton, MessageBoxOptions.DefaultDesktopOnly, false);
return form.RunDialog ();
}
public static DialogResult Show(IWin32Window owner, string text, string caption)
{
MessageBoxForm form = new MessageBoxForm(owner, text, caption, MessageBoxButtons.OK, MessageBoxIcon.None);
return(form.RunDialog());
}
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons)
{
MessageBoxForm form = new MessageBoxForm(null, text, caption, buttons, MessageBoxIcon.None);
return(form.RunDialog());
}
public static DialogResult Show(string text)
{
MessageBoxForm form = new MessageBoxForm(null, text, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.None);
return(form.RunDialog());
}
public static DialogResult Show (IWin32Window owner, string text)
{
MessageBoxForm form = new MessageBoxForm (owner, text, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.None);
return form.RunDialog ();
}
public static DialogResult Show(IWin32Window owner, String text,
String caption,
MessageBoxButtons buttons,
MessageBoxIcon icon,
MessageBoxDefaultButton defaultButton,
MessageBoxOptions options)
{
MessageBoxForm form = new MessageBoxForm
(text, caption, buttons, icon,
defaultButton, options);
DialogResult result = form.ShowDialog(owner as Form);
form.DisposeDialog();
return result;
}
/// <summary>
/// 显示一个消息框。
/// </summary>
/// <param name="owner">控件拥有者。</param>
/// <param name="parameters">设置参数。</param>
/// <returns>返回窗体的操作结果。</returns>
public static DialogResult ShowMsg(this Control owner, MessageBoxParameters parameters)
{
if (owner == null)
owner = Form.ActiveForm;
if (owner != null && owner.InvokeRequired)
{
return (DialogResult)owner.Invoke(new Func<Control, MessageBoxParameters, DialogResult>(ShowMsg), owner, parameters);
}
else
{
if (ShowingMsg != null)
{
var e = new ShowingMsgEventArgs(owner, parameters);
ShowingMsg(owner, e);
if (e.Result != DialogResult.OK)
return e.Result;
}
if (owner == null)
{
var f = new MessageBoxForm(owner, parameters);
var r = f.ShowDialog();
parameters.CheckedResult = f.CheckedResult;
return r;
}
else
{
var ownerForm = owner.FindForm();
ownerForm.Activate();
var f = new MessageBoxForm(owner, parameters);
var r = f.ShowDialog(owner);
ownerForm.Activate();
parameters.CheckedResult = f.CheckedResult;
return r;
}
}
}
