External End-User Functions

Functions that will defined for use externally by the end-user of our control will be:

SimpleButtonRegister    PROTO
SimpleButtonCreate      PROTO :DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD,:DWORD
SimpleButtonGetProperty PROTO :DWORD, :DWORD
SimpleButtonSetProperty PROTO :DWORD, :DWORD, :DWORD
SimpleButtonGetState    PROTO :DWORD
SimpleButtonSetState    PROTO :DWORD, :DWORD

The SimpleButton.asm will contain these functions and other functions designed to be used internally by the control itself. I prefix the functions that will be used internally with an underscore and an abbreviation, but you can use whatever naming convention you desire.

Custom Messages For The End-User

Our custom message which are used in conjunction with SendMessage api call, can be used instead of the SimpleButtonSetProperty / SimpleButtonGetProperty and SimpleButtonGetState / SimpleButtonSetState functions, are defined as:

SB_GETPROPERTY           EQU WM_USER + 1800
SB_SETPROPERTY           EQU WM_USER + 1799
SB_GETSTATE              EQU WM_USER + 1798
SB_SETSTATE              EQU WM_USER + 1797

We will cover the usage of some of these functions and mesages later on.

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