| Platform SDK: Agent |
| Part | Description |
|---|---|
| Style | An integer that represents the balloon's output style. The style setting is a bit field with bits corresponding to: balloon-on (bit 0), size-to-text (bit 1), auto-hide (bit 2), auto-pace (bit 3), number of characters per lines (bits 16-23), and number of lines (bits 24-31). |
When the balloon-on style bit is set to 1, the word balloon appears when a Speak or Think method is used, unless the user overrides this setting in the Microsoft Agent property sheet. When set to 0, a balloon does not appear.
When the size-to-text style bit is set to 1, the word balloon automatically sizes the height of the balloon to the current size of the text for the Speak or Think statement. When set to 0, the balloon's height is based on the NumberOfLines property setting. If this style bit is set to 1 and you attempt to set the NumberOfLines property, Agent raises an error.
When the auto-hide style bit is set to 1, the word balloon automatically hides when spoken output completes. When set to 0, the balloon remains displayed until the next Speak or Think call, the character is hidden, or the user clicks or drags the character.
When the auto-pace style bit is set to 1, the word balloon paces the output based on the current output rate, for example, one word at a time. When output exceeds the size of the balloon, the former text is automatically scrolled. When set to 0, all text included in a Speak or Think statement is displayed at once.
To retrieve just the value of the bottom four bits, And the value returned by Style with 255. To set a bit value, Or the value returned with the value of the bits you want set. To turn a bit off, And the value returned with one's complement of the bit:
Const BalloonOn = 1 ' Turn the word balloon off Genie.Balloon.Style = Genie.Balloon.Style And (Not BalloonOn) Genie.Speak "No balloon" ' Turn the word balloon on Genie.Balloon.Style = Genie.Balloon.Style Or BalloonOn Genie.Speak "Balloon"
The Style property also returns the number of characters per line in the lower byte of the upper word and the number of lines in the high byte of the upper word. While this can be more easily read using the CharsPerLine and NumberOfLines properties, the Style property also enables you to set those values.
For example, to change the number of lines, clear bits 24 to 31 with a logical AND operation before setting the new value as the product of the new value times 2^24, added to the existing value of the Style property.
' Set the number of lines to 4 Genie.Balloon.Style = (Genie.Balloon.Style AND &H00FFFFFF) + (4*(2^24))
To set the number of characters per line, clear bits 16 to 23 with a logical AND operation before setting the new value as the product of the new value times 2^16, added to the existing value of the Style property.
' Set the number of characters per line to 16 Genie.Balloon.Style = (Genie.Balloon.Style AND &HFF00FFFF) + (16*(2^16))
The Style property can be set even if the user has disabled balloon display using the Microsoft Agent property sheet. However, the values for the number of lines must be between 1 and 128 and the number characters per line must be between 8 and 255. If you provide an invalid value for the Style property, Agent will raise an error.
This property applies only to your client application's use of the character; the setting does not affect other clients of the character or other characters of your client application.
The defaults for these style bits are based on their settings when the character is compiled with the Microsoft Agent Character Editor.