with DOS/4GW? - Open Watcom

Table of Contents
16.5 Default Windowing Library Functions ....................................................... 150
17 Creating 32-bit Windows 3.x Applications ............................................................... 153
17.1 The Sample Application ............................................................................. 153
17.2 Building and Running the Sample Windows 3.x Application .................... 153
17.3 Debugging the Sample Windows 3.x Application ..................................... 156
18 Porting Non-GUI Applications to 32-bit Windows 3.x ............................................ 159
18.1 Console Device in a Windowed Environment ............................................ 159
18.2 The Sample Non-GUI Application ............................................................. 160
18.3 Building and Running the Non-GUI Windows 3.x Application ................ 160
18.4 Debugging the Non-GUI Windows 3.x Application .................................. 163
18.5 Default Windowing Library Functions ....................................................... 164
19 The Watcom 32-bit Windows 3.x Extender .............................................................. 167
19.1 Pointers ....................................................................................................... 167
19.2 Implementation Overview .......................................................................... 168
19.3 System Structure ......................................................................................... 170
19.4 System Overview ........................................................................................ 171
19.5 Steps to Obtaining a 32-bit Application ..................................................... 172
20 Windows 3.x 32-bit Programming Overview ........................................................... 173
20.1 WINDOWS.H ............................................................................................. 174
20.2 Environment Notes ..................................................................................... 175
20.3 Floating-point Emulation ............................................................................ 175
20.4 Multiple Instances ....................................................................................... 175
20.5 Pointer Handling ......................................................................................... 176
20.5.1 When To Convert Incoming Pointers ........................................... 177
20.5.2 When To Convert Outgoing Pointers ........................................... 178
20.5.2.1 SendMessage and SendDlgItemMessage ...................... 178
20.5.3 GlobalAlloc and LocalAlloc ........................................................ 180
20.5.4 Callback Function Pointers .......................................................... 180
20.5.4.1 Window Sub-classing .................................................... 183
20.6 Calling 16-bit DLLs .................................................................................... 184
20.6.1 Making DLL Calls Transparent ................................................... 186
20.7 Far Pointer Manipulation ............................................................................ 187
20.8 _16 Functions ............................................................................................. 188
21 Windows 32-Bit Dynamic Link Libraries ................................................................. 191
21.1 Introduction to 32-Bit DLLs ....................................................................... 191
21.2 A Sample 32-bit DLL ................................................................................. 192
21.3 Calling Functions in a 32-bit DLL from a 16-bit Application ................... 195
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