QB64/InForm
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Page: __UI_KeyHit
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Align BackStyle BeforeInit BeforeUnload BeforeUpdateDisplay Button Caption Checkbox Color properties Constants Disabled Events Focus events Font Frame Global Variables HasBorder Hidden Home KeyPress Keyboard modifiers Label List methods List LoadImage Mask Menus MessageBox Function Methods Min and Max Mouse events NumericTextbox OnLoad PasswordField Picture box PictureBox Drawing Position and size Progress bar Properties Radio button SetCaption SetFocus Stretch Text TextChanged Textbox Toggle switch Tool tip Track bar Value ValueChanged __UI_ prefix __UI_ForceRedraw __UI_KeepScreenHidden __UI_KeyHit __UI_UnloadSignal
4 __UI_KeyHit
FellippeHeitor edited this page 2016-12-19 12:57:39 -02:00

__UI_KeyHit is a global variable of type LONG INTEGER that holds the scan code of the last key pressed by the user. Positive values mean a key was pressed, negative values indicate a key was released.

This variable can be accessed anywhere, but it's usually manipulated in KeyPress event handlers, especially for Textbox controls, as it can be used to change the key presses that actually get sent to the control.