Ask the simplest small question ~~~

doctordue

Application.MessageBox ('aaa', myLabel.Caption, 0); How can this be wrong?

Isn't Caption a string? How can I use Caption as a string?

四月天

Application.MessageBox ('aaa', PChar (myLabel.Caption), 0);

landen

Dialog prompt message [Test]
Application.MessageBox('aaa',PChar(Label1.Caption),0);
Application.MessageBox('aaa',PChar(Label1.Caption),1); There are two selection boxes
Application.MessageBox('aaa',PChar(Label1.Caption),2); There are three selection boxes Terminate retry ignore No close
Application.MessageBox('aaa',PChar(Label1.Caption),3); There are three selection boxes Yes No Cancel Closed
Application.MessageBox('aaa',PChar(Label1.Caption),4); There are two selection boxes Yes No No close