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- Calculator
- Calculator
- System
- Form1
- Readout
- Number
- System
- Number
- System
- Number
- System
- Cancel
- System
- CancelEntry
- System
- Number
- System
- Number
- System
- Number
- System
- Operator
- System
- Operator
- System
- Number
- System
- Number
- System
- Number
- System
- Operator
- System
- Operator
- System
- Number
- System
- Decimal
- System
- Operator
- System
- Percent
- System
- DecimalFlagw
- NumOps-
- LastInput
- OpFlag
- FALSEH
- @ Form_Load
- Percent_Click
- Readout
- Caption
- Cancel_Click
- Decimal_Click,
- CancelEntry_Click
- Number_Click
- Index
- Number
- Operator_Click
- Operator
- Readout_Clickc
- Readout_Change5
- Number_KeyPress
- KeyAscii
- Number_KeyDownS
- KeyCode
- Shift
- command1
- getfocus
- sendmessage
- BM_SETSTATE
- LastKey
- lastindexA
- ProcessKeyDown
- lasttype
- GoodKeys
- Number_KeyUp4
- ProcessKeyUp
- KeyState
- KEY_NUMPAD0
- KEY_NUMPAD9Y
- Operator_KeyDown
- Operator_KeyUp{
- KEY_NUMPAD
- KEY_RETURN
- Percent_KeyDown
- Decimal_KeyDown
- Cancel_KeyDown
- CancelEntry_KeyDownD
- Cancel_KeyUp
- CancelEntry_KeyUp
- Decimal_KeyUp
- Percent_KeyUp
- KEY_ADD
- KEY_SUBTRACT
- KEY_MULTIPLY
- KEY_DIVIDE
- KEY_DECIMAL
- Decimal
- Percent
- Clear_Click
- Cancel
- CancelEntry
- Copyright (C) 1991 Microsoft Corporation-
- You have a royalty-free right to use, modify, reproduce and distribute-
- the Sample Application Files (and/or any modified version) in any way
- you find useful, provided that you agree that Microsoft has no warranty,
- obligations or liability for any Sample Application Files.s
- Modifications & Enhancements by Marcus Smaby - these modificationss
- & enhancements released to the public domainn
- Previously input operand.
- Second operand.
- Decimal point present yet?
- Number of operands.
- Indicate type of last keypress.
- Indicate pending operation.
- Handle to Control
- Was this a key we can process
- Remember state of Key to prevent repeat
- scan code of last key
- Form_Load
- Initialization routine for the form.t
- Set all variables to initial values.t
- Percent_Click
- Click event procedure for percent key (%).
- Compute and display a percentage of the first operand.-
- Cancel_Click
- Click event procedure for C (cancel) key.
- Reset the display and initializes variables.t
- Decimal_Click
- Click event procedure for decimal point (.) key.e
- If last keypress was an operator, initializek
- readout to "0." Otherwise, append a decimal
- point to the display.
- CancelEntry_Click
- Click event procedure for CE (cancel entry) key.e
- Number_Click
- Click event procedure for number keys (0-9).k
- Appends new number to the number in the display.e
- Operator_Click
- Click event procedure for operator keys (+, -, x, /, =).
- If the immediately preceeding keypress was part of a
- number, increment NumOps. If one operand is present,
- set Op1. If two are present, set Op1 equal to the
- result of the operation on Op1 and the currentt
- input string, and display the result.
- Can't divide by zero
- Calculator
- Number_KeyDown
- ProcessKeyDown
- Key Table
- + = 43, - = 45, / = 47 * = 42
- % = 37, = = 61, c = 99,67, . = 46
- Avoid Auto Repeat
- classify keystroke & act
- Debug.Print lastkey
- 0 - 9
- p for percent
- C for Cancels
- <- or del for CancelEntry
- Get the Handle
- Set control as pressed0
- Number_KeyUp
- ProcessKeyUp
- set control as unpressed
- Set Focus to Equals Key
- Operator_KeyDown
- Operator_KeyUp
- Percent_KeyDown
- Decimal_KeyDown
- Cancel_KeyDown
- CancelEntry_KeyDown
- Cancel_KeyUp
- CancelEntry_KeyUp
- Decimal_KeyUp
- Percent_KeyUp
-