In vtable the first three address of functions are the IUknown interface methods then after that comes our own methods .Now the question is why not get the pointer to the vtable and iterate through the vtable to reach the method we want ?What role does QuerryInterface() plays ?Why should i use QuerryInterface().
It is not matter to discuss that we can get the pointer of vtable and iterate thru that.The Important thing is to note here is that . The architecure of COM is like that..We have to use QueryInterface()
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Hints for the grid button. Nested classes, templated collections. Squash that darned bug!
Continuing from the sixth article about sudoku.
Open the project in visual studio.
First we will finish with the SUD_SETVALUE messa…
Have you tried to learn about Unicode, UTF-8, and multibyte text encoding and all the articles are just too "academic" or too technical? This article aims to make the whole topic easy for just about anyone to understand.
This is Part 3 in a 3-part series on Experts Exchange to discuss error handling in VBA code written for Excel.
Part 1 of this series discussed basic error handling code using VBA.