MessageBox

As you know Delphi™ has several dialog functions MessageDlg or MessageDlgPos and so on but there is no way i know of to specify the caption of a messagebox without using a form with borderstyle bsDialog.Windows has an api function called MessageBox wich allows you to specirfy your own title for the messagebox because Delphi™ is a windows® programming language it can use this function.It can have several buttons but only one icon and you can make it modal to force the users to respond the message first below you'll find a table with possible messageboxes.

Buttons

Flag	Meaning
MB_OK	The messagebox has one okbutton
MB_OKCANCEL	The messagebox has two buttons ok and cancel
MB_RETRYCANCEL	The messagebox has two buttons retry and cancel
MB_YESNO	The messagebox has two buttons yes and no
MBYESNOCANCEL	The messagebox has three buttons yes no and cancel
MB_ABORTRETRYIGNORE	abort retry and ignore buttons

Icons

Flag	Meaning
MB_ICONEXCLAMATION	The warning icon
MB_ICONWARNING	Same as the first one
MB_ICONINFORMATION	the info icon
MB_ICONASTERISK	Information icon
MB_ICONQUESTION	In Delphi this is mtConfirmation
MB_ICONERROR	the error icon

Return values

Flag	Meaning
IDYES	the yes button was clicked
IDRETRY	the retry button was clicked
IDOK	the ok button was clicked
IDNO	the no button was clicked
IDIGNORE	the ignore button was clicked
IDCANCEL	the cancel button was clicked
IDABORT	the abort button was clicked

the api function MessageBox has allot more to offer to much to publisch here but if you want to make your messagebox modal so that the user has to respond to the messagebox use the flag MB_APPLMODAl
example to show a messagebox with buttons yes and no and the question icon
MessageBox(0, PChar('don't you think so to ?'), PChar('Hello DelphiVillage is a cool Website he ?'), MB_YESNO + MB_ICONQUESTION); offcource this is Delphi™ code you can see the result below

screenshot

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