MessageBox.Show("A console could not be allocated, sorry!");

            MessageBox.Show("A console could not be allocated, sorry!");

     MessageBox.Show("Wait object"); // ret = 0x00000000L here

    MessageBox.Show(sRet, "Error_Message()", MessageBoxButtons.OK, MessageBoxIcon.Error)

    MessageBox.Show(value.ToString());

   { MessageBox.Show("Ошибка " + (value - 1).ToString()); }

        MessageBox.Show(new String(path, 0, result));

      MessageBox.Show(sSystemPath.Substring(0, sSystemPath.LastIndexOf("\")))

      MessageBox.Show(System.Environment.GetEnvironmentVariable("windir"))

        System.Windows.Forms.MessageBox.Show("Unable to set " & oTarget_File_Info.Name & " time stamps.", "Synchronization Error")

    MessageBox.Show("Error code: " + Marshal.GetLastWin32Error());

MessageBox.Show(Drive.VolumeLabel & " [" & Drive.Name & "]")

    System.Windows.Forms.MessageBox.Show ( msg);

    if (MessageBox.Show(this, "Are you sure you want to close this connection?" == DialogResult.Yes))

        MessageBox.Show(e.Message);

            MessageBox.Show("Rename Successful.");

            MessageBox.Show("Rename Failed.\r\nError: " + error.ToString());

        System.Windows.Forms.MessageBox.Show(domain);

        MessageBox.Show("App successfully scheduled to run")

        MessageBox.Show("Call to CeRunAppAtTime failed")

        MessageBox.Show("Supported: " + DevM2.dmDisplayOrientation.ToString());

        MessageBox.Show("Current: " + devmode.dmDisplayOrientation.ToString());

        MessageBox.Show("Could not hide Start Bar.");

        MessageBox.Show("Could not show Start Bar.");

            //    System.Windows.Forms.MessageBox.Show ("IME has be Opened");

            //    System.Windows.Forms.MessageBox.Show ("IME has be Opened");

public static extern int MessageBoxW(int hWnd, String text, String caption, uint type);

    Public Shared Function MessageBoxW(ByVal hWnd As Integer, _

System.Windows.Forms.MessageBox.Show(string message)

MessageBoxW(0, "Hello from C#", "pinvoke.net", 0);

                    MessageBox.Show("Can't play sound file. " + ex.ToString());

                MessageBox.Show("Can't play sound file. " & ex.ToString)

        MessageBox.Show("Could not hide Start Bar.");

        MessageBox.Show("Could not show Start Bar.");

    MessageBox.Show("Event " + result + " Occured");

MessageBox.Show(e.Name " Renamed in " e.FullPath);

MessageBox.Show(e.Name " Deleted in " e.FullPath);

MessageBox.Show(e.Name " created in " e.FullPath);

By this property if you want to check file has been removed ,deleted from physical path then this will be true and you can check like if you have a tree view and you dont want to repopulate your tree view then use filesystemwatcher and repopulate the tree only when files have been changed,delete or rename. or you can throw a messagebox like above.

    MessageBox.Show(Win32API.FindExecutable(theMenuItem.Text));

MessageBox.Show("Result: " + retval.ToString() + vbCrLf + "Selected Icon Index: " + iconindex.ToString())

using System.Windows.Forms; // MessageBox

        MessageBox.Show ( "GetDisplayName(), PIDL count > 1" );

     MessageBox.Show(ex.Message, "Error")

       MessageBox.Show(ex.Message, Me.TITLE, MessageBoxButtons.OK, MessageBoxIcon.Exclamation)

    MessageBox.Show( "Unable to format the drive" );

    MessageBox.Show(c.FileSystem.SpecialDirectories.MyDocuments);

        MessageBox.Show(sb.ToString());

MessageBox.Show(DateTime.FromFileTime(t).ToString());

            MessageBox.Show("Gotta cancel the job", Path.GetFileName(m_fileName));

            MessageBox.Show("Gotta reschedule the job", Path.GetFileName(m_fileName));

            MessageBox.Show("Gotta retry the job NOW", Path.GetFileName(m_fileName));

            MessageBox.Show("Gotta commit the job", Path.GetFileName(m_fileName));

            MessageBox.Show("Gotta rollback the job", Path.GetFileName(m_fileName));

                Win32.MessageBox(0, "This program requires Windows NT!", szAppName, MessageBoxOptions.IconError);

   MessageBox.Show(sClassName.ToString)

     MessageBox.Show("ERROR");

     MessageBox.Show( rct.ToString() );

        MessageBox.Show(

        " ", MessageBoxButtons.OK, MessageBoxIcon.Error);

                MessageBox.Show( "Already one instance is running......." );

static extern int MessageBoxTimeout(IntPtr hwnd, String text, String title, uint type, Int16 wLanguageId, Int32 milliseconds);

private static extern uint MessageBoxTimeout(IntPtr hwnd,

<DllImport("user32.dll", EntryPoint:="MessageBoxTimeoutA", setLastError:=True, CharSet:= CharSet.Unicode)> _

Private Shared Function MessageBoxTimeOut( _

Private Declare Function MessageBoxTimeOut _

     Lib "user32.dll" Alias "MessageBoxTimeoutA" _

use MessageBoxButtons.* enumeration for type argument, cast as integer.

Returns 32000 if the messagebox timed out.

Messagebox wont time out if dwMilliseconds is 0

private static uint SetupnCallMessageBoxTimeOut(IntPtr hWnd, string itsMessage, string itsCaption, uint itsMessageBoxOptions,Int32 itsTimeOutMilliSeconds)

     return MessageBoxTimeout(hWnd , itsMessage, itsCaption,itsMessageBoxOptions,0,itsTimeOutMilliSeconds);

   private Shared Function DisplayMessageBox( _

   return MessageBoxTimeOut(hWnd, New StringBuilder(Message), New StringBuilder(Caption), MessageBoxOptions,0, TimeOutMilliSeconds)

     Public Function DisplayMessageBox( _

    ByVal MessageBoxOptions As Long, _

    DisplayMessageBox = MessageBoxTimeOut(hWnd, Message, Caption, MessageBoxOptions, 0, TimeOutMilliseconds)

static extern int MessageBoxEx(IntPtr hWnd, string lpText, string lpCaption,

Currently works identically to the [MessageBox] API function.

[System.Windows.Forms.MessageBox.Show]

static extern int MessageBoxIndirect([In] ref MSGBOXPARAMS lpMsgBoxParams);

A complete C# wrapper class with sample code is available at http://www.codeproject.com/cs/miscctrl/MessageBoxIndirectCS.asp

static extern int MessageBoxTimeout(IntPtr hwnd, String text, String title, uint type, Int16 wLanguageId, Int32 milliseconds);

Declare Function MessageBoxTimeout Lib "user32.dll" (TODO) As Integer

use MessageBoxButtons.* enumeration for type argument, cast as integer.

Returns 32000 if the messagebox timed out.

Now you can use the font info however you want. Here's how to return a GDI+ Font corresponding to the MessageBox font selected by the user. Note that the height is always negative and always returns "world" units.

            MessageBox.Show(String.Concat(successCount.ToString, " windows tiled in ", vbCrLf, _

             ", ", inRect.Bottom.ToString), "Tiling...", MessageBoxButtons.OK, MessageBoxIcon.Information)

                 //System.Windows.Forms.MessageBox.Show("Download error: \r\n"+we.Message);

                System.Windows.Forms.MessageBox.Show("Download error: \r\n"+ex.Message);

                System.Windows.Forms.MessageBox.Show("Download error: \r\n"+ex.Message);

                System.Windows.Forms.MessageBox.Show("Download error: \r\n"+ex.Message);

        MessageBox.Show("ZZZZZZ Hello, World!")

    MessageBox.Show("ZZZZZZ Hello, World!")

        MessageBox.Show(e.Message);

            MessageBox.Show("Certificate added");

            MessageBox.Show("Could not add certificate");

            MessageBox.Show("Could not open certificate file");

        MessageBox.Show(caps.szPname);

       MessageBox.Show(

        MessageBoxButtons.OK,

        MessageBoxIcon.Error);

        MessageBox.Show(

        MessageBoxButtons.OK,

        MessageBoxIcon.Error);

        Messagebox.Show("Failed to create ODBC data source!!")

        MessageBox.Show(ex.Message, "Acquire SQL Servier List Error");

            MessageBox.Show(str.ToString());

MessageBox.Show(fileName.ToString());

    MessageBox.Show( "An Unhanled exception has been detected in the application " + exeName + " .\r\nException information is saved in " + dumpFileName,

            "Error", MessageBoxButton.OK, MessageBoxImage.Error);

    MessageBox.Show(String.Format("Adding the monitor failed.\n\nError: {0}", errorMessage), sErrorTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);

    MessageBox.Show(String.Format("Adding the monitor failed:\n\nException: {0}", e.ToString()), sErrorTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);

     MessageBox.Show(String.Format("Deleting the monitor failed.\n\nError: {0}", errorMessage), sErrorTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);

   MessageBox.Show(String.Format("Deleting the monitor failed.\n\nException: {0}", ex.ToString()), sErrorTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);

    MessageBox.Show(String.Format("The default provider is {0}", providerName.ToString()));

    MessageBox.Show("Unable to get the default provider");