API -> MessageBox [ Library : user32.dll, Category :

MessageBox

Library : user32.dll Category : _CategoryNotSet

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API Description :

The MessageBox function creates, displays, and operates a message box. The message box contains an application-defined message and title, plus any combination of predefined icons and push buttons.

VB Declaration :

Show Multiline Public Private

Declare Function MessageBox Lib "user32" Alias "MessageBoxA" (ByVaL hwnd As Long, ByVaL lpText As String, ByVaL lpCaption As String, ByVaL wType As Long) As Long

Parameters :

· hWnd
Identifies the owner window of the message box to be created. If this parameter is NULL, the message box has no owner window.

· lpText
Points to a null-terminated string containing the message to be displayed.

· lpCaption
Points to a null-

Return :

The return value is zero if there is not enough memory to create the message box. 

If the function succeeds, the return value is one of the following menu-item values returned by the dialog box:
IDABORT 
 Abort button was selected. 
 
IDCANCEL 
 C

OS Requirement :

Requires Windows NT 3.1 or later
Requires Windows 95 or later

Dotnet Replacement :

System.Windows.Forms.MessageBox.Show