EnableKeyboard property (Main Control)
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Builder Syntax |
bool EnableKeyboard |
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Delphi Syntax |
EnableKeyboard: Boolean |
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Overview |
Refer to Displaying an Image. |
Remarks
(Persistent property, available at design time) Enables or disables the LEADTOOLS Main VCL control's automatic processing of the arrow and page-up/page-down keys, as scroll messages, when an image is displayed larger than the control. In order to enable automatic keyboard processing, the EnableKeyboard property, the AutoScroll property and the EnableScroll property must all be set to True. Possible values for the EnableKeyboard property are:
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Value |
Meaning |
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TRUE |
Process the keys and scroll the image. (Default) |
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FALSE |
Ignore the keys. |
When automatic keyboard processing is enabled, the Main Control will process the following keys as scroll messages:
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Key |
Event |
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PageUp |
Scroll up/left one item (depends on scroll style) |
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Up Arrow |
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Left Arrow |
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PageDown |
Scroll down/right one item (depends on scroll style) |
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Down Arrow |
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Right Arrow |
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See Also
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Elements: |
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Topics: |