Designing Games with Game Maker - YoYo Games

utton text. An empty string means that the button is not shown. In the texts
you can use the & symbol to indicate that the next character should be used
as the keyboard shortcut for this button. The function returns the number of
the button pressed (0 if the user presses the Esc key).
show_question(str) Displays a question; returns true when the user
selects yes and false otherwise.
get_integer(str,def) Asks the player in a dialog box for a number. str is
the message. def is the default number shown.
get_string(str,def) Asks the player in a dialog box for a string. str is the
message. def is the default value shown.
message_background(back) Sets the background image for the pop-up box
for any of the functions above. back must be one of the backgrounds defined
in the game. If back is partially transparent so is the message image (only for
Windows 2000 or later).
message_alpha(alpha) Sets the alpha translucence for the pop-up box for
any of the functions above. alpha must lie between 0 (completely translucent)
and 1 (not translucent) (only for Windows 2000 or later).
message_button(spr) Sets the sprite used for the buttons in the pop-up
box. spr must be a sprite consisting of three images, the first indicates the
button when it is not pressed and the mouse is far away, the second indicates
the button when the mouse is above it but not pressed and the third is the
button when it is pressed.
message_text_font(name,size,color,style) Sets the font for the text
in the pop-up box. (This is a normal Windows font, not one of the font
resources you can out in your game!) style indicates the font style (0=normal,
1=bold, 2=italic, and 3=bold-italic).
message_button_font(name,size,color,style) Sets the font for the
buttons in the pop-up box. style indicates the font style (0=normal, 1=bold,
2=italic, and 3=bold-italic).
message_input_font(name,size,color,style) Sets the font for the
input field in the pop-up box. style indicates the font style (0=normal, 1=bold,
2=italic, and 3=bold-italic).
message_mouse_color(col) Sets the color of the font for the buttons in
the pop-up box when the mouse is above it.
message_input_color(col) Sets the color for the background of the input
filed in the pop-up box.